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Asian Dust

Asian Dust, also known as yellow dust, Kosa, or Huangsha, refers to seasonal sand and dust storms originating primarily from arid desert regions in Mongolia, northern China, and Kazakhstan, where high-speed winds erode and suspend fine soil particles that are transported thousands of kilometers eastward across East Asia.^[1]^[2] These events, most frequent in spring due to favorable meteorological conditions like cold fronts and low pressure systems, carry particulate matter that degrades air quality, reduces visibility, and deposits sediments affecting agriculture and urban environments in recipient areas such as northern China, the Korean Peninsula, and Japan.^[3]^[4] The phenomenon's intensity and frequency have varied historically, with recent analyses indicating Mongolia as a dominant source contributing over 42% of dust concentrations reaching northern China during severe events, alongside contributions from the Taklamakan and Gobi Deserts.^[1]^[5] While Asian Dust plays roles in nutrient transport to oceans and cloud formation processes, its health impacts are significant, including associations with increased respiratory illnesses, cardiovascular events, and allergic responses upon inhalation of the particles, which can adsorb pollutants during transit.^[6]^[4] Long-range transport has been documented extending to the Arctic, potentially influencing regional climate dynamics through ice nucleation and radiative forcing.^[7]

Historical Context

Ancient and Pre-Modern Records

Historical records of Asian dust events in China extend to at least the late 2nd millennium BCE, with chronicles documenting dust precipitation and storms linked to arid inland conditions. For instance, ancient meteorological accounts from the Zhou Dynasty record dust fallout in regions like Po City around 1170 BCE, portraying the events as seasonal atmospheric disturbances from western deserts.^[8] Systematic compilations from the Qin Dynasty (221–207 BCE) onward reveal periodic intensity peaks in dust storms, reconstructed from dynastic annals that associate outbreaks with dry northerly winds and sparse vegetation in source areas such as the Gobi and Loess Plateau, without reference to human-induced factors.^[9] In Korea, the phenomenon was first chronicled in the Samguk Sagi, which details a dustfall in Silla during February AD 174, described as "Woo-Tou" (soil rain) that obscured visibility and deposited yellow particles, aligning with windblown transport from continental interiors.^[10] Goryeo Dynasty (918–1392) records in the Goryeosa further catalog multiple occurrences of yellow fog and Woo-Tou, including instances coupled with strong gusts and hail, such as those noted in spring seasons that darkened the sky and settled fine dust.^[11] One 1018 event was tied to widespread miasma, with yellow fog explicitly implicated as a carrier of continental particulates, demonstrating recurrent transboundary advection patterns.^[12] These pre-modern accounts across East Asia consistently depict yellow-hued atmospheric haze, solar obscuration, and soil deposition during spring, mirroring observed mechanisms of modern events and establishing a baseline of natural cyclicity driven by meteorological fronts and arid source erosion long before systematic monitoring or large-scale land alterations.^[10]

20th-Century Onset and Early Monitoring

Following World War II, anecdotal reports of Asian dust events in East Asia transitioned toward more frequent documentation, driven by rapid urbanization and population growth in affected regions. In South Korea, Seoul's expansion from approximately 1 million residents in 1950 to over 2.5 million by 1960 heightened awareness of visibility impairments during spring dust episodes, marking a shift from sporadic historical notations to localized observations amid post-war reconstruction.^[13]^[14] Systematic monitoring emerged in the 1970s as governments in Japan and Korea established networks to record dust occurrences, recognizing their transboundary origins. Japan initiated observations using 123 meteorological stations from 1971 onward, capturing synoptic data at three-hour intervals to link events to frontal passages and low visibility thresholds indicative of dust haze.^[15] In Korea, dedicated hwangsa monitoring stations were set up during this decade, compiling initial baselines that correlated episodic influxes—averaging 28 yellow dust days annually in Seoul from 1971 to 1980—with cyclonic storms over the Gobi Desert in Mongolia and northern China.^[16]^[17] These efforts highlighted dust transport pathways eastward, distinguishing natural aeolian processes from local pollutants through visibility and precipitation records. By the early 1980s, preliminary quantitative studies established deposition rate baselines, informing pre-intensified land degradation benchmarks. Research documented meteorological drivers and initial flux estimates, such as those in Tamura (1983), which analyzed storm dynamics and particle settling without yet accounting for amplified anthropogenic desertification.^[16] These analyses, drawing on station data from the prior decade, quantified average springtime haze durations and rudimentary mass loadings, underscoring the Gobi's role as a primary source while predating widespread modeling of land use impacts.^[15]

Origins and Mechanisms

Primary Source Regions

The primary source regions for Asian Dust encompass arid and semi-arid landscapes in northern China and southern Mongolia, where loose sediments are susceptible to wind erosion. The Gobi Desert, extending across southern Mongolia and northern China, serves as a dominant origin point, contributing substantially to springtime dust outbreaks observed via satellite monitoring and ground-based particle tracing.^[18]^[19] In northwestern China, the Taklamakan Desert emerges as another critical area, with geochemical and isotopic studies (including Nd, Sr, Pb, and Hf signatures) linking its fine mineral particles to long-range dust deposition across East Asia and beyond.^[20]^[21] Trajectory modeling and satellite-derived aerosol optical depth data further confirm dust lift-off from its expansive dune fields and dry basins.^[22]^[18] Northern China's sandy lands and stony deserts, including those in the Inner Mongolian plateau, provide secondary but notable inputs, as evidenced by source apportionment via elemental and mineralogical profiling that distinguishes them from coarser Gobi materials.^[23]^[24] These regions, characterized by degraded grasslands and exposed soils, are traced through backward air mass simulations showing direct emission pathways.^[25] Central Asian drylands, such as those bordering the Mongolian steppes, contribute marginally, with isotopic constraints indicating overlap in provenance but lower emission volumes compared to the core Chinese-Mongolian belt.^[21]^[26]

Meteorological Drivers

The mobilization of Asian dust is primarily facilitated by synoptic-scale atmospheric systems during spring (March to May), when the Siberian High—a semi-permanent anticyclone centered over Siberia—intensifies, creating steep pressure gradients that drive northeasterly winds across the arid regions of Mongolia and northern China.^[27] These gradients interact with developing Mongolian cyclones, low-pressure systems forming downstream of the Altai-Sayan Mountains, which deepen rapidly and generate surface wind speeds often exceeding 10-15 m/s, sufficient to erode and suspend fine particles from desert surfaces like the Gobi.^[28]^[29] Mongolian cyclones alone contribute to approximately 62% of dust weather events in northern China, with their tracks channeling cold, dry air southward to amplify dust lofting.^[28] Cold fronts advancing from these high-latitude systems serve as key lift mechanisms, as the passage of denser cold air over warmer desert surfaces induces turbulence and vertical motion, initiating dust entrainment independent of surface heating alone.^[30] Concurrently, low-level jets—narrow bands of accelerated winds in the boundary layer, often nocturnal and peaking at 500-1000 m altitude—sustain momentum transfer to the surface, prolonging emission during frontal passages by decoupling the planetary boundary layer and concentrating shear.^[31] These jets are particularly evident in reanalysis datasets like ERA5, which reveal enhanced wind maxima tied to baroclinic instability from meridional temperature contrasts between Siberian cold pools and the relatively warmer Mongolian Plateau.^[32] Empirical analyses from atmospheric reanalysis confirm that event triggers, such as sharpened east-west temperature gradients over arid zones (often 10-20°C differences across 500 km), correlate with cyclone intensification and frontogenesis, yielding dust outbreaks when surface friction thresholds (around 6-13 m/s sustained winds) are surpassed.^[33] This dynamical interplay underscores the primacy of transient baroclinic waves over static seasonal means in dust initiation.^[34]

Role of Desertification and Land Use

Human-induced desertification through overgrazing, deforestation, and expansion of agriculture into fragile ecosystems has substantially amplified dust emissions from East Asian arid zones by eroding vegetative stabilization of soils. These practices reduce root systems that bind surface particles, increasing the availability of fine sediments for aeolian entrainment during windy conditions. Prior to widespread restoration programs, such land degradation in regions like northern China contributed to elevated dust storm frequencies, as bare ground exposure facilitates higher emission thresholds compared to vegetated landscapes.^[35] Modeling of springtime dust over 1982–2010 attributes significant portions of emission trends to land cover alterations, with vegetation loss directly enhancing erodibility beyond baseline aridity.^[36] In the Loess Plateau, unsustainable farming techniques—such as intensive cropping on slopes without contouring or terracing—have driven severe soil erosion, generating vast quantities of respirable dust particles distinct from endogenous desert processes. The region's silty loess soils, inherently prone to detachment, lose an estimated 1.6 billion tons annually under such management, with eroded fines contributing to transboundary dust plumes.^[37] This anthropogenic acceleration contrasts with natural semi-arid conditions, where undisturbed vegetation would mitigate wind-driven transport; instead, cultivation exposes and pulverizes material, elevating emission potential.^[38] Empirical analyses reject attributions solely to climatic variability, as dust emission models demonstrate stronger correlations with vegetation dynamics than with precipitation or temperature fluctuations. For example, declines in East Asian dust activity from 2001–2017 aligned more closely with vegetation recovery and soil moisture gains—proxies for land management improvements—than isolated rainfall changes, indicating human land use as the dominant modifiable driver.^[39] Similarly, simulations link Gobi emission reductions in the late 20th century primarily to land surface greening rather than hydrological shifts, affirming that desertification from overuse causally supersedes stochastic weather in sustaining elevated dust cycles.^[33]^[36]

Physical and Chemical Characteristics

Mineral Composition

Asian dust particles are predominantly composed of inert minerals originating from weathered soils in arid source regions such as the Gobi and Taklamakan Deserts.^[40] The primary constituents include silicates like quartz and feldspars (plagioclase and K-feldspar), clay minerals (notably illite, chlorite, kaolinite, and smectite), and carbonates such as calcite and dolomite.^[41] Bulk analyses via X-ray diffraction of dust samples collected during transport events reveal average mineral proportions of approximately 28% quartz, 19% illite, 11% plagioclase, 8% K-feldspar, and 8% calcite, with clays often comprising the most abundant fraction overall.^[41] ^[40] These minerals typically form particles with diameters ranging from 1 to 10 μm, facilitating long-range atmospheric suspension.^[42] Trace elements, including iron oxides like hematite, are present in minor amounts and contribute to the characteristic yellow hue through light scattering and absorption properties.^[43] Sampling during intensive field campaigns, such as ACE-Asia in spring 2001, confirmed that mineral matter constitutes 70-90% of the total particulate mass in unpolluted dust plumes, underscoring the dominance of crustal-derived components over anthropogenic additives in source-proximal regions.^[41] Gypsum and other secondary minerals may appear in trace quantities due to evaporative processes in source areas.^[40]

Particle Size and Pollutant Interactions

Asian dust particles display a bimodal size distribution, with coarse fractions generally exceeding 10 μm in diameter that settle rapidly due to gravitational forces, limiting their long-range transport and atmospheric residence time, while fine fractions below 2.5 μm (PM_2.5) remain suspended longer and penetrate deeper into the respiratory tract upon inhalation.^[44]^[45] This size variability influences not only deposition patterns but also the particles' capacity for interacting with gaseous pollutants; finer particles offer greater surface area per unit mass for adsorption compared to coarser ones.^[46] During transit over emission hotspots in eastern China, dust aerosols sorb anthropogenic pollutants, including sulfur dioxide (SO₂), nitrogen oxides (NO_x), and their secondary products like sulfates and nitrates, primarily through heterogeneous reactions on mineral surfaces such as calcium carbonate (CaCO₃).^[47]^[48] These interactions form internally mixed or coated particles, transforming baseline mineral dust into hybrid aerosols with altered optical and chemical properties, distinct from unmixed dust events.^[49] For instance, alkaline dust components neutralize acidic gases, producing salts like calcium nitrate (Ca(NO₃)₂) and calcium sulfate (CaSO₄), which enhance overall particulate matter loading.^[50] In receptor regions such as South Korea, this sorption elevates fine-mode PM_2.5 concentrations during dust episodes, as evidenced by elevated sulfate and nitrate levels in total suspended particulates (TSP) and PM_2.5 samples collected amid transboundary events.^[51] Observations indicate that mixed dust-pollution plumes can amplify anthropogenic aerosol contributions through along-path accumulation, with dust serving as a carrier for adsorbed pollutants that would otherwise disperse more rapidly.^[52] Such hybrid events thus confound attribution of air quality exceedances, requiring differentiation via chemical tracers like higher water-soluble ion fractions relative to pure dust profiles.^[53]

Transport Dynamics

Seasonal Patterns and Pathways

Asian dust events peak from March to May, corresponding to seasonal transitions that enhance dust mobilization through intensified frontal systems and northwesterly winds originating from the Siberian anticyclone.^[18] These conditions facilitate the entrainment of particles from arid source regions, with climatological analyses indicating highest activation frequencies over the Gobi Desert during this period. Transport pathways primarily follow easterly trajectories via prevailing mid-latitude westerlies, reaching the Korean Peninsula in 1-2 days and Japan in 2-3 days, as simulated by backward trajectory models like HYSPLIT that trace air parcels from surface outbreaks to downwind sites.^[54] Winter suppression arises from stable high-pressure dominance and persistent snow cover over source areas, which dampen surface wind speeds below thresholds for dust lifting, resulting in minimal long-range transport. Summer occurrences remain rare due to monsoon-related humidity and southerly flows that limit widespread dispersion, though isolated events from the Taklamakan Desert can extend northward under anomalous conditions.^[18] Satellite imagery from instruments like MODIS routinely captures these plumes extending across East Asia, often covering areas exceeding 10^6 km² during major episodes, with AERONET network data enabling precise mapping of aerosol optical depth along verified pathways for deposition estimation.^[55]^[56]

Frequency and Intensity Trends

From 1980 to 2023, Asian dust emissions in East Asia exhibited fluctuations rather than a monotonic increase, with overall trends showing stability or decline influenced by meteorological variability and land cover changes.^[57] ^[39] Decadal analyses indicate that dust activity decreased from the 1980s peaks due to reduced surface winds and increased soil moisture, though interannual spikes occur, such as the 12 dust storm events in China during spring 2023—the highest in nearly a decade—attributed to dry conditions amplified by an El Niño event rather than long-term escalation.^[39] ^[58] ^[59] Intensity of Asian dust events is quantified by metrics including visibility reductions below 500 meters for severe storms and PM10 concentrations exceeding 1000 μg/m³ in source regions during peaks.^[60] ^[61] In Korea, annual yellow dust occurrences averaged around 12 days from 2000 to 2011, with recent years showing variability but no sustained rise, as tracked by meteorological observations.^[62] Empirical assessments using MODIS-derived vegetation indices reveal stable or declining dust emissions post-2010, linked to afforestation efforts enhancing normalized difference vegetation index (NDVI) values in source areas like the Gobi Desert, thereby reducing erodible bare soil exposure.^[63] ^[64] This counters narratives of intensifying trends by emphasizing causal drivers like vegetation recovery over simplistic climate attribution.^[39]

Environmental Consequences

Nutrient Transport and Ecosystem Fertilization

Asian dust plumes carry substantial quantities of bioavailable iron (Fe) and phosphorus (P), which are deposited across the North Pacific Ocean, alleviating micronutrient limitations in high-nutrient, low-chlorophyll (HNLC) regions and stimulating phytoplankton growth.^[65] These nutrients originate primarily from desert soils in arid regions like the Gobi and Taklamakan, where iron oxides and phosphorus-bearing minerals are mobilized during spring storms.^[66] Interannual variations in dust transport, driven by atmospheric circulation patterns such as the Pacific Decadal Oscillation, modulate the delivery of soluble iron, shifting surface waters between iron and phosphorus limitation.^[65] Shipboard incubation experiments in the western North Pacific, including the Kuroshio Extension and subtropical gyre, have shown that additions of Asian dust to seawater samples increase chlorophyll a concentrations and primary production by relieving iron limitation, with enhancements up to several-fold in iron-deficient conditions.^[67] ^[68] For instance, experiments simulating dust deposition in the northwest Pacific demonstrated elevated phytoplankton biomass and shifts toward diatom-dominated communities, confirming dust's role in bottom-up control of marine productivity extending to higher trophic levels like sockeye salmon.^[69] These findings align with in situ observations of chlorophyll blooms following major dust events, underscoring dust's fertilization effect without evidence of toxicity to microbial communities at natural deposition rates.^[70] Quantified dust fluxes to the North Pacific from Asian sources range from 10 to 70 Tg per year, with Central Asian deserts alone contributing approximately 70 Tg annually, representing a primary external input of iron to the basin.^[71] This deposition supplies a significant fraction of the ocean's bioavailable iron, estimated to drive oscillatory productivity cycles and contribute to carbon export via enhanced biological pump efficiency in iron-limited waters.^[72] Anthropogenic aerosols mixed with dust further enhance soluble iron solubility, amplifying fertilization potential in downwind oceanic regions.^[73] On land, Asian dust enriches soils in nutrient-depleted downwind ecosystems, such as forests in Japan, by depositing minerals that supplement phosphorus and trace elements in weathered substrates, supporting biogeochemical cycles without inducing toxicity.^[19] This input aids primary productivity in regions with low bedrock nutrient availability, analogous to dust's oceanic role, though terrestrial fluxes are lower and more localized compared to marine deposition.^[74]

Climate Modulation Effects

Asian dust aerosols modulate climate through direct radiative forcing, primarily by scattering incoming shortwave solar radiation, which diminishes surface insolation and induces regional cooling effects estimated at -0.1 to -0.5 W/m² on average, with peaks exceeding -20 W/m² near source regions during high-emission events.^[75]^[76] This surface dimming arises from the particles' high albedo in the visible spectrum, reflecting sunlight back to space, while their absorption of shortwave and longwave infrared radiation heats the overlying atmospheric column, with efficiencies varying by mineral composition and vertical distribution.^[77] The atmospheric warming component, often 20-50% of the shortwave scattering magnitude, can enhance stability and influence mid-tropospheric dynamics, though empirical measurements from East Asian networks confirm the net surface cooling dominates during spring outbreaks.^[78] Indirect effects involve dust particles serving as cloud condensation nuclei (CCN) and ice nucleating particles (INP), altering cloud microphysics and radiative properties. As INPs, dust promotes heterogeneous ice formation in supercooled clouds, potentially increasing cloud optical depth and shortwave reflection, but the semidirect "burning off" effect—wherein absorbed radiation evaporates droplets—tends to reduce cloud cover and suppress precipitation near source areas by up to 40% in polluted-dust mixtures.^[79]^[80] These interactions yield competing forcings: enhanced nucleation may seed precipitation in distal regions, while local suppression reinforces aridity, with satellite-derived cloud radiative forcing perturbations from Asian dust events showing reductions in top-of-atmosphere cooling by 1-5 W/m² in contaminated scenes.^[81] Regional modeling integrated with reanalysis data reveals a net radiative cooling over East Asia, with top-of-atmosphere forcings of -10 W/m² during peak seasons, driven by the prevalence of scattering over absorption relative to anthropogenic aerosols like sulfates, which exhibit more negative global means without comparable heating offsets.^[78]^[82] This contrasts with oversimplified analogies to pollution-driven cooling, as dust's absorptive properties and seasonal layering yield seasonally asymmetric effects—stronger cooling in early spring via surface dominance, transitioning to partial offsets in late spring from elevated heating—supported by correlations between dust optical depth and observed temperature anomalies in arid-semiarid zones.^[83] Validation against CERES and AERONET observations underscores the cooling's role in modulating East Asian monsoon onset, though uncertainties persist in dust-cloud feedbacks due to variable particle hygroscopicity.^[84]

Health and Human Impacts

Acute and Chronic Health Risks

Asian dust events, characterized by elevated concentrations of particulate matter (PM10 and PM2.5), are associated with acute respiratory and circulatory health risks through mechanisms involving airway inflammation and systemic oxidative stress. Meta-analysis of 21 epidemiologic studies indicates a 3.99% increase (95% CI: 0.08, 8.06) in respiratory mortality at lag 3 days post-exposure and a 2.33% increase (95% CI: 0.76, 3.93) in circulatory mortality at lag 0, reflecting short-term excess risks during dust episodes.^[6] Hospital admissions for respiratory diseases rise by 8.85% (95% CI: 0.80, 17.55), with higher rates for asthma (14.55%, 95% CI: 6.74, 22.94) and pneumonia (8.51%, 95% CI: 2.89, 14.44) at lag 3, consistent with exacerbation of conditions like asthma and chronic obstructive pulmonary disease (COPD).^[6] These associations persist after adjusting for co-pollutants such as NO2 and weather factors in many studies, though heterogeneity in dust event definitions limits precision.^[6] Chronic health risks from prolonged Asian dust exposure remain less conclusively established, with evidence primarily linking inhaled PM to cardiovascular outcomes via endothelial dysfunction and particle translocation into bloodstream, but confounded by concurrent anthropogenic pollutants adsorbed onto dust particles. Systematic reviews identify insufficient longitudinal studies specific to Asian dust for meta-analysis, though general PM10/2.5 exposure correlates with elevated cardiovascular disease incidence in East Asian cohorts.^[6] Japanese and Korean time-series data suggest potential cumulative effects on ischemic heart disease, yet causal attribution is challenged by collinearity with urban air pollution sources.^[6] Dose-response patterns for acute symptoms like cough imply possible thresholds, but long-term infiltration risks require disentangling from baseline PM exposure.^[6] Vulnerable populations, including the elderly and children, exhibit amplified relative risks in regional cohort analyses from Korea and Japan. Elderly individuals face heightened mortality odds during events, with Korean estimates attributing up to 165 annual deaths to dust-related respiratory and cardiovascular strain, predominantly among those with pre-existing conditions.^[85] Children's respiratory clinic visits increase significantly post-exposure, as evidenced by Taiwanese district-level data showing spatiotemporal spikes in pediatric morbidity.^[86] A 2020 review of East Asian studies underscores these subgroups' susceptibility without implying universal lethality, emphasizing empirical associations over deterministic outcomes.^[6] Overall evidence strength is moderate, with peer-reviewed meta-analyses prioritizing time-series designs but noting needs for standardized exposure metrics to refine causal inferences.^[6]

Epidemiological Evidence and Vulnerabilities

Time-series analyses in urban centers like Seoul during the 2000s and 2010s have linked Asian dust events to elevated emergency room visits for respiratory and cardiovascular conditions, with relative risks adjusted for confounders including meteorological variables, seasonal trends, and co-occurring pollutants such as PM10 and NO2. For example, a study of daily data from 2002–2011 found that high PM2.5 concentrations during dust storms increased emergency visits for respiratory diseases by up to 15% and cardiovascular diseases by 10%, with effects persisting 1–2 days post-event and strongest among those aged over 65.^[87] Similar generalized additive model analyses across seven Korean cities from 2001–2007 reported a 1.6–2.3% rise in daily mortality from circulatory causes on dust days, after controlling for long-term trends and autocorrelation.^[88] Subgroup vulnerabilities are pronounced in populations with pre-existing conditions, where asthmatics face 1.5–3-fold higher risks of symptom exacerbation and healthcare seeking compared to non-asthmatics, as evidenced by panel studies tracking peak expiratory flow declines of 5–10% during events.^[89]^[90] Children and the elderly similarly show amplified morbidity, with meta-analyses of hospital admission data indicating odds ratios of 1.2–1.5 for asthma-related outcomes in these groups, derived from multi-city cohorts adjusting for socioeconomic factors and baseline air quality.^[91] Longitudinal designs, including fixed-effects models in repeated-measure studies, strengthen causal attribution by isolating dust-specific variance from chronic exposures, though residual confounding from unmeasured behaviors like outdoor activity limits definitive inference.^[6] Epidemiological evidence underscores particulate-driven irritation over infectious vectors, with scant support for viable pathogens in dust contributing to outbreaks; toxicological correlates in human challenge models attribute morbidity primarily to mechanical and oxidative stress on airways, absent serological links to novel agents.^[92] In comparative contexts, Asian dust's health burdens align with but appear less intense than Saharan dust in metrics like per-particle mortality increments, per scoping reviews of global dust events, potentially due to differences in mineralogy and trans-Pacific dilution.^[93] Robust findings thus prioritize acute vulnerabilities in respiratory-compromised subgroups, while calling for enhanced confounder adjustment in future multi-decade cohorts to disentangle synergies with anthropogenic pollution.^[91]

Economic and Societal Ramifications

Disruptions to Agriculture and Industry

Asian Dust events disrupt agricultural operations through physical abrasion of crop foliage and stems by windborne particles, as well as burial of seedlings and topsoil erosion that diminishes nutrient availability and planting viability.^[94]^[95] These mechanisms lead to measurable reductions in crop productivity, particularly for staple grains like wheat in northern China, where panel data from 288 counties indicate sandstorms correlate with yield declines during vulnerable growth stages.^[96] Additionally, dust deposition clogs irrigation canals and covers fields, exacerbating water management challenges for farmers in affected regions.^[97] Livestock face heightened stress from dust inhalation and reduced forage quality, with severe storms triggering mass mortality events; for example, spring dust outbreaks in Mongolia have historically caused thousands of animal deaths due to respiratory distress and exposure.^[98]^[99] In East Asian contexts, such as South Korea and China, prolonged exposure during peak seasons impairs animal health and feeding efficiency, compounding operational strain on pastoral and mixed farming systems.^[99] Industrial sectors experience operational interruptions primarily from reduced visibility, prompting temporary halts in outdoor manufacturing and logistics. In South Korea, yellow dust episodes have necessitated safeguards or pauses at semiconductor factories to protect sensitive equipment from particulate ingress.^[100]^[101] Aviation faces frequent delays and cancellations, as low visibility below operational thresholds grounds flights; during a 2021 sandstorm in China, hundreds of departures were canceled across northern airports.^[102]^[103] Similar disruptions occurred in the March-April 2023 dust storms across northern Chinese provinces, where heavy deposition hindered farm machinery use and field access amid widespread agricultural interruptions.^[104] Shipping and port activities encounter delays from obscured navigation, though impacts are less quantified than aviation.^[105]

Quantified Costs and Activity Limitations

Studies in South Korea have quantified the socio-economic costs of yellow dust events, estimating damages at a minimum of US$3.9 billion and a maximum of US$7.3 billion for the year 2002 alone, encompassing healthcare expenditures, cleanup efforts, and productivity losses.^[106] These figures, derived from empirical assessments of direct and indirect impacts, suggest annual East Asian costs in the range of $5-10 billion when extrapolated across affected nations, with healthcare and remediation comprising significant portions.^[35] In source regions like China, internal economic burdens are presumed higher due to proximity to dust origins and larger affected populations, though comprehensive national estimates remain limited.^[107] Severe yellow dust episodes, characterized by PM₁₀ concentrations exceeding 300 μg/m³, prompt activity restrictions including school closures and bans on outdoor activities to mitigate health risks.^[108] In South Korea, guidelines prohibit outdoor classes when fine dust levels surpass 81 μg/m³, with yellow dust storms often pushing PM₁₀ far higher, leading to widespread indoor confinement and educational disruptions.^[109] Tourism experiences measurable dips during these events, as reduced visibility and air quality concerns deter visitors, contributing to localized revenue shortfalls.^[110] Early warning systems for dust storms demonstrate favorable benefit-cost ratios, as reduced population exposure to high PM levels offsets minor productivity declines from precautionary measures.^[111] Improvements in forecasting accuracy, valued at approximately KRW 41 (USD 0.03) per household per 1% gain in South Korea, enable timely alerts that prioritize health protection over short-term economic interruptions.^[112] Such systems have proven effective in limiting unforeseen damages across East Asia by facilitating behavioral adaptations like masking and indoor stays.^[113]

Policy and Mitigation Strategies

Domestic Initiatives in Source Countries

China's Three-North Shelterbelt Forest Program, initiated in 1978, has afforested approximately 30 million hectares across northern regions including Inner Mongolia and the Gobi fringes by the early 2020s, establishing tree belts to mitigate wind erosion and dust emissions from desertified lands.^[114] The program has increased vegetation cover, which peer-reviewed analyses attribute to a measurable decline in spring dust activity through reduced wind speeds and enhanced soil moisture retention.^[115] Satellite observations confirm greening trends in key dust source basins like the Mu Us and Ordos, correlating with lower dust storm frequencies compared to pre-program baselines, though full desertification reversal remains incomplete.^[39] Complementing afforestation, China implemented grazing restrictions and bans in Inner Mongolia starting around 2000, targeting overgrazed steppes that exacerbate soil loosening and dust mobilization.^[116] These measures, enforced via livestock carrying capacity limits, have stabilized some rangelands by curbing degradation rates, with vegetation recovery evident in monitored areas despite persistent challenges from uneven compliance and climatic variability.^[117] Soil stabilization techniques, such as straw checkerboard barriers and grass grids deployed since the 2000s, have further anchored loose sands in high-emission zones, reducing aeolian transport by fixing surface particles and promoting microhabitats for plant establishment.^[118] In Mongolia, primary dust source via Gobi Desert expansion, rangeland management pilots emphasize rotational grazing and rest periods to restore overexploited pastures, initiated under national desertification action plans in the 2010s.^[119] The "Green Great Wall" campaign, launched to create a 3,000 km vegetative corridor, deploys community-led seeding and fencing to combat land degradation, yielding localized vegetation gains that satellite data link to diminished dust flux from southern steppes.^[120] Efficacy assessments highlight pragmatic reductions in bare soil exposure—up to 10-15% in pilot sites—but underscore limitations from nomadic herding pressures and arid conditions, with overall dust contributions from Mongolian sources persisting at over 40% of regional totals in recent events.^[1] Across both nations, pre- and post-initiative comparisons via normalized difference vegetation index (NDVI) metrics demonstrate net greening in targeted basins, substantiating emission cuts of 10-20% in modeled scenarios, tempered by enforcement gaps.^[121]

Technological Advances in Forecasting

In recent years, numerical weather prediction models for Asian dust have incorporated advanced dust emission schemes and higher-resolution simulations to enhance forecast accuracy. The China Meteorological Administration (CMA) upgraded its sand and dust storm numerical weather prediction system in 2025, integrating improved parameterization for dust processes and achieving a spatial resolution of 12.5 km for global forecasts.^[122] ^[123] This upgrade enables 10-day hourly dust forecasts generated in approximately six hours, surpassing the computational efficiency of models like the European Centre for Medium-Range Weather Forecasts (ECMWF).^[124] The iDust model, developed for real-time integration of dust processes into dynamical cores, represents a key advancement by minimizing computational overhead while improving transport precision and simulation of non-spherical dust particles.^[123] Evaluations show iDust outperforming predecessors in predicting dust storm intensity and timing, with enhanced representation of emission fluxes and vertical profiles over East Asian source regions.^[123] Satellite observations and artificial intelligence have been increasingly fused for real-time Asian dust tracking and short-term predictions. AI-driven systems, leveraging multi-source data including satellite imagery from platforms like MODIS and ground observations, forecast dust storm timing and severity on an hourly basis up to 12 hours ahead across 13 Asian countries, including China and Mongolia.^[125] These models employ machine learning techniques, such as ensemble methods in WRF-Chem optimizations, to refine physical parameterization schemes and reduce biases in dust concentration forecasts.^[126] Post-2010 implementations of coupled aerosol-chemistry models, including the Korea Meteorological Administration's ADAM2 and CMA systems, have demonstrably lowered the frequency of unpredicted dust events through better validation against lidar networks and reanalysis data.^[127] Such advancements yield hit rates for dust occurrence in the 70-80% range for operational systems in source regions, as evidenced by comparative assessments of emission and transport simulations.^[123] ^[126]

International Dimensions and Disputes

Cross-Border Attribution Conflicts

South Korea and Japan have repeatedly attributed a substantial portion of severe Asian Dust events to lax environmental controls in China, citing the transport of dust laden with anthropogenic pollutants from Chinese deserts and industrial regions. Joint research by environmental agencies from the three countries has estimated that transboundary contributions account for 40 to 70 percent of fine particulate matter (PM2.5 and PM10) reaching Korea and Japan during peak dust seasons, with ultrafine dust from China comprising around 32 percent of South Korea's total in analyzed episodes.^[128]^[129] These claims intensified in the mid-2000s amid frequent yellow dust outbreaks, prompting South Korean media and public protests that framed China as the primary culprit for desertification exacerbated by overgrazing and land degradation in Inner Mongolia.^[130] China has rebutted these accusations, maintaining that Asian Dust primarily stems from natural meteorological factors, such as strong winds originating in Mongolia and northern China, rather than solely anthropogenic sources, and highlighting internal initiatives like the Three-North Shelterbelt Program to restore vegetation and curb sand mobilization. Official responses from Beijing, including statements during bilateral dialogues, have dismissed claims of predominant responsibility as lacking robust causal evidence, arguing that variable wind patterns and upstream desert sources in Mongolia contribute significantly—up to 65 percent of dust exposure in some Japanese regions per emission modeling.^[131]^[132] Diplomatic frictions escalated notably in 2007 when South Korean officials publicly demanded compensation and stricter controls from China following a major dust event affecting Seoul, though Beijing countered by pointing to joint monitoring data showing annual transboundary fractions fluctuating between 30 and 70 percent based on seasonal winds and precipitation.^[133] Critiques of unidirectional blame have emerged from atmospheric scientists, who note that incoming dust particles interact chemically with local pollutants in receptor countries, forming secondary aerosols that amplify concentrations beyond what transboundary inputs alone would cause—a hybrid effect often overlooked in attribution disputes. For example, urban emissions of volatile organic compounds and nitrogen oxides in Seoul and Tokyo can enhance sulfate and nitrate formation on dust surfaces, suggesting that receptor-side factors compound rather than merely receive external burdens, thus complicating efforts to apportion liability without integrated modeling of both natural and human-induced pathways.^[134] This perspective underscores the limitations of source-receptor models reliant on backward trajectory analysis, which may overestimate foreign origins by underweighting local amplification during stagnant air masses.^[135]

Cooperative Frameworks and Challenges

The Tripartite Environment Ministers Meeting (TEMM) among China, Japan, and South Korea, established in 1999, provides a key multilateral forum for coordinating responses to Asian dust, with annual summits yielding joint communiques on dust mitigation strategies.^[136] The 25th TEMM in September 2024 and the 26th in September 2025 emphasized enhanced "3+X" cooperation, extending partnerships to Mongolia for joint source control in dust-prone regions like the Gobi Desert, alongside commitments to data exchange for improved regional monitoring.^[137]^[138] The World Meteorological Organization's Sand and Dust Storm Warning Advisory and Assessment System (SDS-WAS), launched in 2007, supports Asian dust efforts through its regional node in Beijing, hosted by the China Meteorological Administration, which integrates forecasts from multiple countries to produce shared advisories.^[139] This system has facilitated routine data-sharing pacts, enabling joint numerical modeling and early warnings disseminated via platforms like the Regional Specialized Meteorological Center for Asia.^[140] The 11th SDS-WAS Asian Regional Steering Committee Meeting in September 2025 reviewed progress in multi-source dust forecasting, highlighting incremental advancements in predictive accuracy across East Asia.^[141] Despite these structures, enforcement gaps persist due to sovereignty constraints over primary dust sources in China's arid northwest and Mongolia, where domestic land-use policies limit binding international mandates on desertification control.^[133] Verification disputes further impede progress, as tracing transboundary dust contributions relies on contested emission inventories and atmospheric modeling, often yielding inconclusive attributions amid varying national methodologies.^[133] Empirical outcomes reflect modest diplomatic gains, such as expanded joint observation networks under TEMM working groups, but recurring severe events—evidenced by SDS-WAS bulletins documenting ongoing transport from source regions—demonstrate the causal primacy of localized degradation over multilateral accords alone, with diplomacy proving insufficient without enforceable source reductions.^[142]^[143]

References

[1]
Mongolia Contributed More than 42% of the Dust Concentrations in ...
May 31, 2023 · Mongolia and the Taklimakan Desert were identified as two main dust sources contributing to northern China. Specifically, Mongolia contributed ...
[2]
Weakened dust activity over China and Mongolia from 2001 to 2020 ...
Dec 10, 2021 · Finally, the DOD distribution reveals that the Tarim Basin, Gobi and Qaidam Basin Deserts are three major dust sources in East Asia.
[3]
Atmospheric Research - ScienceDirect.com
An Asian duststorm, locally referred to as Yellow Sand or KOSA, has different characteristics compared to duststorms occurring in other regions of the world ...
[4]
High Potential of Asian Dust to Act as Ice Nucleating Particles in ...
Jun 5, 2021 · In this study, we examined the contribution of Asian dust to global dust INPs and its effect on cloud radiative forcing (CRF) using a global aerosol-climate ...
[5]
Where is the Dust Source of 2023 Several Severe Dust Events in ...
Nov 13, 2024 · Mongolia was the main dust source region affecting North China approximately 4 km below, Korean Peninsula and surroundings for 4.9 km below, and ...
[6]
Health Effects of Asian Dust: A Systematic Review and Meta-Analysis
Jun 26, 2020 · The dust travels thousands of kilometers and absorbs airborne pollutants from anthropogenic sources in industrial areas (Mori et al. 2003; ...Missing: origins | Show results with:origins
[7]
Long-range transport of Asian dust to the Arctic - ACP
Aug 15, 2022 · This study implied that the dust long-range transport from China to the Arctic was ubiquitous and may be a potential contributor to the Arctic regional climate.
[8]
Meteorological Records from Ancient Chronicles of China
It precipitated dust in Po City (1170. B.C.). 14) 35th year. Severe famine in Chou area. (1140. B.C.). King Chao of Chou Dynasty. 15) ...
[9]
Asian dust-storm activity dominated by Chinese dynasty changes ...
Feb 20, 2020 · Here, we present a dust storm intensity record dating back to the first unified dynasty of China (the Qin Dynasty, 221–207 B.C.E.). Marked ...
[10]
Historical Records of Asian Dust Events (Hwangsa) in Korea in
The first record was made in AD 174 in Silla during the period of the Three Kingdoms. A dust event, now called hwangsa, was commonly written down as Woo-Tou or ...
[11]
[PDF] HISTORICAL RECORDS OF ASIAN DUST EVENTS (HWANGSA) IN ...
An Asian dust event may include floating or falling dust and is called hwangsa in Korea and kosain Japan (Chun et al. 2001). Dust particles blown.
[12]
(PDF) The Miasma Epidemic of 1018 in Medieval Korea
... yellow fog was described as the cause of the miasma epidemic and is likely the yellow dust from China (Kim 1985). Goryeosa speci- fied the name of the ...
[13]
Population Change and Development in Korea | Asia Society
It is reported that about 80% of rural-to-urban migrants move to Greater Seoul and more than 40% of the Korean population is currently living in this region.Missing: Dust visibility
[14]
An Ancient City and Modern Exemplar of East Asian Urbanity
Mar 1, 2018 · Seoul, a symbolic place of national feeling, transformed from an isolated metropole to a modern city through trade, Japanese occupation, and ...<|separator|>
[15]
[PDF] A review on East Asian dust storm climate, modelling and monitoring
Asian dust storms have a major impact on the air quality of the densely populated areas of China, Korea and Japan, and are important to the global dust cycle.
[16]
From Historical Dustfall to Early Warning of Asian Dust Events in Korea
In this article, we will overview the historical records of Hwangsa and Early warning of Hwangsa in Korea. The symbolic word "Woo-Tou" was used to describe dust ...
[17]
Yellow Dust
The number of yellow dust days in Seoul has increased as follows: 28 days (1971–1980), 39 days (1981–1990), 77 days (1991–2000), and 122 days (2001–2010). The ...<|separator|>
[18]
Climatology of Asian dust activation and transport potential based ...
Jan 11, 2019 · Asian dust, primarily emitted from the Taklamakan and Gobi deserts, has been reported to reach remote destinations, such as North America.
[19]
Asian dust transport of proteinaceous matter from the Gobi Desert to ...
Jul 22, 2025 · The Gobi Desert is the major source of sand for Asian dust events in Asia during the spring (An et al., 2013). Therefore, five sampling ...
[20]
Uranium Isotope Constraints on the Pre‐Deposition Time of Asian ...
Apr 13, 2024 · For instance, studies using Nd-Sr-Pb-Hf isotopes suggest the Taklamakan Desert as the primary source of dust in Pacific sediments (Pettke et al.
[21]
Hf-Nd isotopic variability in mineral dust from Chinese and ...
Jul 25, 2014 · The Chinese deserts and Mongolia Gobi are major Asian dust sources on a hemispheric scale,,. Studies of dust tracers and satellite imagery of ...
[22]
Two distinct seasonal Asian source regions for mineral dust ...
Feb 21, 2003 · The provenance of the dust varied seasonally within eastern Asia, and that the major source of the dust was the Takla Makan desert (hereinafter TM) of ...
[23]
Nd and Sr isotopic characteristics of Chinese deserts
Aug 1, 2007 · Yet it took a long time to accept that the deserts, Gobi and sandy lands in northern and northwestern China are the provenances of Asian dusts, ...
[24]
Contributions of sandy lands and stony deserts to long-distance dust ...
Of these dust production areas, sandy lands and stony deserts, rather than the sandy deserts of Inner Mongolia and Mongolia, were found to be the dominant dust ...
[25]
[PDF] Dust source activation frequency across East Asia - Refubium
Jun 18, 2025 · Dust source regions labeled in black including: the Taklimakan Desert (TK), the Gobi Desert, the Great Lake Basin (GLB), the Gurbantunggut ...
[26]
Geochemical characteristics of insoluble dust as a tracer in an ice ...
1. The aeolian dust from central Asian deserts, the Taklamakan Desert and Gobi Desert are the primary dust sources for the Miaoergou Glacier.
[27]
How much do atmospheric depressions and Mongolian cyclones ...
Feb 15, 2025 · Mongolian cyclones, defined as long-living and mobile atmospheric depressions, explain almost half (~34–47%) of the Gobi's total dust emissions and τ downwind.
[28]
Distinctive dust weather intensities in North China resulted from two ...
Feb 6, 2025 · This study demonstrates that the Mongolian cyclone was responsible for 61.7 % of the dust weather in NC, while the remaining 38.3 % was primarily caused by the ...
[29]
How much do atmospheric depressions and Mongolian cyclones ...
Aug 8, 2025 · Mongolian cyclones that form downstream of the Altai-Sayan Mountain have been known for some time as drivers of spring dust storms in East Asia.
[30]
Multi-faceted analysis of dust storm from satellite imagery, ground ...
Apr 1, 2024 · Mongolia cyclones, cold fronts, and cold highs are the three synoptic-scale systems driving outbreaks of dust storms in East Asia (Li et al., ...
[31]
On the dynamics and air-quality impact of the exceptional East Asian ...
East Asia witnessed a high-impact dust storm on 13–16 March 2021. The dust storm took lives and destroyed houses across Mongolia. In China, the dust outbreak ...Missing: pre- | Show results with:pre-
[32]
[PDF] The promotion of the low-level jet and thermal effects on the ... - ACP
Sep 27, 2024 · In this paper,. ERA5 reanalysis data, such as the µ–ν–ω wind vector, atmo- spheric temperature, relative humidity, mean sea level pres- sure, ...Missing: mobilization | Show results with:mobilization
[33]
Contributions of climatic factors and vegetation cover to the temporal ...
Dec 28, 2024 · The Mongolian cyclones, which have strong decadal variability, showed a close relationship with spring dust storms in northern China. We found ...
[34]
Variation Trends of Dust Storms in Relation to Meteorological ...
During the spring, a low atmospheric pressure system prevails within the study area, while the Siberian and Mongolian high pressure systems move into the study ...<|separator|>
[35]
[PDF] Sand and Dust Storms in Asia and the Pacific: - ESCAP
The drivers of sand and dust storms encompass land degradation, desertification and climate change, exacerbated by unsustainable land and water use, extreme ...<|separator|>
[36]
Impacts of climate and land cover variability and trends on ...
We found that dust emission from Gobi decreased substantially from the 1980s to 1990s, and then slightly increased toward the 2000s, leading to an overall ...
[37]
Historical changes in the environment of the Chinese Loess Plateau
The fine textured soils that characterize the region are extremely susceptible to both wind and water erosion. It is estimated that nearly 1.6 billion tonnes of ...Missing: farming Asian
[38]
Desertification in China: Causes, Impacts, and Solutions - Earth.Org
Dec 19, 2022 · Research shows that desertification in China has affected 27.4% of the country's land. We take a look at what's behind it and its effects ...
[39]
Drivers of recent decline in dust activity over East Asia - Nature
Nov 19, 2022 · The weakening of surface wind and the increasing of vegetation cover and soil moisture have all contributed to the decline in dust activity during 2001 to 2017.
[40]
Mineralogy and geochemistry of Asian dust: dependence on ... - ACP
Jun 26, 2020 · In dust, clay minerals were most abundant, followed by quartz, plagioclase, K-feldspar, calcite, and gypsum. The trace element contents were ...
[41]
Bulk and single‐particle mineralogy of Asian dust and a comparison ...
Jan 31, 2008 · The average mineral composition of the bulk dust samples by X-ray diffraction was quartz (28%), plagioclase (11%), K-feldspar (8%), calcite (8%) ...
[42]
Morphology and Mineral Composition of Dust Particles Generated ...
May 6, 2025 · These results provide detailed source-region profiles of Asian dust particles, allowing a better involvement of nascent dust particles in field ...
[43]
Mineralogical characteristics of soil dust from source regions in ...
The X-ray diffraction (XRD) results show the main minerals for Asian dust are illite, chlorite, kaolinite, quartz, feldspar, calcite, and dolomite. Gypsum ...
[44]
Transport Patterns, Size Distributions, and Depolarization ...
Jul 29, 2020 · The long-range transport of Asian dust and its complex interaction with anthropogenic pollutants have a significant yet poorly quantified ...
[45]
Global distribution of Asian, Middle Eastern, and North African dust ...
Oct 21, 2022 · Simulated dust mass size distributions peak at around 2–3 µm in diameter and increase by 4 orders of magnitude from 0.1 to 2 µm. Our model ...Missing: pollutant adsorption
[46]
Parameterization of Asian dust (Hwangsa) particle-size distributions ...
The model uses three log-normal distributions of particle sizes from Gobi, Sand, Loess, and Mixed soil, with minimally and fully dispersed parent soil particle ...Missing: pollutant adsorption
[47]
Asian dust observed during KORUS-AQ facilitates the uptake and ...
Mar 1, 2020 · During transport, the fraction of CaCO3 within Asian dust can interact with anthropogenic emissions, and secondary products (NO2, HNO3, SO2, H2 ...
[48]
An evaluation of reaction probabilities of sulfate and nitrate ...
Sep 29, 2007 · We investigate the chemical evolution of dust particles and examine the magnitudes of reaction probability (γ) of sulfate and nitrate ...
[49]
Real-time observational evidence of changing Asian dust ... - Nature
Mar 23, 2017 · The formation of Ca(NO3)2 coating on the surface of dust particles reduced the critical super-saturation of dust particles and have strong ...
[50]
[PDF] Elevated nitrogen-containing particles observed in Asian dust ... - ACP
Sep 22, 2009 · The anthropogenic NOx emitted from mainland China and the Korean peninsula may outweigh the SO2 in the MBL of the Bohai Sea and the Yellow Sea, ...
[51]
Asian Dust effects on Total Suspended Particulate (TSP ...
Previous studies have reported that high concentrations of mineral elements and high levels of anthropogenic species, such as sulfate and nitrate, were observed ...
[52]
Mixing of Asian mineral dust with anthropogenic pollutants over East ...
Aug 21, 2012 · We found that along-path mixing processes during the long-range transport of Asian dust led to increasingly polluted particles.Missing: Korea | Show results with:Korea
[53]
Mixing of Asian dust with pollution aerosol and the transformation of ...
Jul 21, 2010 · The northeastern dust reached Shanghai with high acidity, and it became the mixed aerosol with the interaction among dust, local pollutants, and ...<|separator|>
[54]
Characterizing the transport pathways of Asian dust - AGU Journals
Sep 9, 2008 · It is found that the transport distance of a dust event strongly depended on the source areas relative to the synoptic conditions. For source ...
[55]
A Wall of Dust Over the Korean Peninsula - NASA Earth Observatory
Apr 25, 2024 · Vast plumes of dust that stream east from the Gobi and Taklamakan deserts and across parts of eastern China, the Korean Peninsula, and southern Japan.
[56]
A study of Asian dust plumes using satellite, surface, and aircraft ...
Oct 20, 2010 · From previous studies, the dust plumes normally take, on average, 7 to 10 days to move out of the Gobi Desert area to the United States.Abstract · Introduction · Data and Methodology · Results and Discussions
[57]
(PDF) Decadal Trends and Drivers of Dust Emissions in East Asia
Apr 5, 2025 · This study integrates multi-source reanalysis and remote sensing data (1980–2023) to analyze dust emissions across East Asian source regions
[58]
[PDF] Sensitive areas for target observation associated with ...
Feb 27, 2025 · In the spring of 2023, China experienced a total of 12 dust storm events, the highest frequency recorded in nearly a decade (Chen et al., 2023).
[59]
El Niño Southern oscillation events contribute significantly to the ...
Apr 1, 2025 · Climatic factors dominated the interannual variation of dust over East Asia, particularly the modulation of El Niño Southern Oscillation events.
[60]
Quantitative analysis on windblown dust concentrations of PM 10 ...
According to the definition of dust storms, dust concentrations of PM10 corresponding to visibility of 1 km or less were determined at sites in the Gobi Desert ...
[61]
Quantitative classification of northeast Asian dust events - Song - 2007
Feb 28, 2007 · The results showed that the PM10 concentration estimated from visibility is consistent with the observed PM10 concentration. The classification ...
[62]
Yellow dust season to be longer, more severe - Korea JoongAng Daily
Apr 2, 2012 · From 2000 to 2011, Korea experienced yellow storms 11.8 days per year on average. The density of the dust particles has also become more severe ...
[63]
Drivers of recent decline in dust activity over East Asia - PMC
Nov 19, 2022 · The weakening of surface wind and the increasing of vegetation cover and soil moisture have all contributed to the decline in dust activity during 2001 to 2017.Missing: post- | Show results with:post-
[64]
(PDF) The influence of vegetation variation on Northeast Asian dust ...
Aug 8, 2025 · Dust emission was negatively correlated with precipitation and surface temperatures in spring. The strength of the East Asian monsoon was ...Missing: loss | Show results with:loss
[65]
Climate-driven oscillation of phosphorus and iron limitation ... - PNAS
Jun 10, 2019 · These shifts appear to be driven by interannual variations in the transport of iron-rich Asian dust across the North Pacific resulting from ...
[66]
Climate modulates fertilization of North Pacific Ocean with Asian dust
Jun 12, 2019 · However, because most of the iron is not soluble, deep waters are enriched in phosphorus relative to iron. Hence, when winds are weaker, there ...
[67]
Promotion Effect of Asian Dust on Phytoplankton Growth and ...
Feb 14, 2018 · The deposition of Asian dust and anthropogenic aerosols can increase biomass and primary production, promote the phytoplankton blooms, and ...
[68]
Dynamics of phytoplankton and nutrient uptake following dust ...
Oct 15, 2020 · In this study, four onboard incubation experiments amended with various nutrients and dust were performed in the Kuroshio Extension (KE) and ...
[69]
Iron fertilization from Asian dust drives tertiary-level productivity of ...
This analysis indicates that iron from Asian dust drives primary through to sockeye salmon productivity via bottom-up food-web control.
[70]
Correlation of Asian dust with chlorophyll and primary productivity in ...
Jun 30, 2011 · A shipboard incubation experiment by adding lower-layer transported dust particles to water collected in the nitrogen-limitation region ...
[71]
Links between iron supply from Asian dust and marine productivity ...
Jun 7, 2019 · As the second largest dust source on the Earth, the arid and semi-arid areas in Central Asia supply about 70 Mt dust for the North Pacific Ocean ...<|separator|>
[72]
Asian dust-deposition flux to the subarctic Pacific estimated using ...
Sep 29, 2023 · Asian dust has been considered a major source of iron supplied to the western subarctic Pacific. However, recent comprehensive trace element ...
[73]
Anthropogenic Asian aerosols provide Fe to the North Pacific Ocean
Oct 22, 2020 · Our results suggest that anthropogenic Fe could play a globally important role in marine productivity and carbon cycling.
[74]
Dust outpaces bedrock in nutrient supply to montane forest ... - Nature
Mar 28, 2017 · Strontium and neodymium isotopes in modern dust show that Asian sources contribute 18–45% of dust deposition across our Sierra Nevada, ...
[75]
Direct Radiative Effect of Absorbing Aerosols: Sensitivity to Mixing ...
Jan 8, 2020 · Dust DREs are −0.10, +0.11, and +0.22 W/m2 for “low,” “middle,” and “high” dust absorption scenarios, respectively. Considering the nonspherical ...
[76]
Numerical simulation of spatial‐temporal distribution of dust aerosol ...
Jul 6, 2012 · Its −20 W m−2 forcing near dust source centers results in surface temperature cooling by 0.8°C from spring through summer. SW irradiance at the ...
[77]
Radiative absorption enhancement of dust mixed with ... - ACP
We have investigated the absorption enhancement of mixed-type aerosols over East Asia by using the Aerosol Robotic Network observations and radiative transfer ...Missing: Korea | Show results with:Korea
[78]
The influence of dusts on radiation and temperature over the eastern ...
Oct 20, 2021 · The net radiative forcing of dusts was up to −20 W·m-2 at the surface and −10 W·m-2 at the TOA over the dust source region.
[79]
High Potential of Asian Dust to Act as Ice Nucleating Particles in ...
Jun 5, 2021 · In this study, we examined the contribution of Asian dust to global dust INPs and its effect on cloud radiative forcing (CRF) using a global aerosol-climate ...
[80]
[PDF] The Impact of aerosol–ice nuclei-cloud interactions on a Typical ...
Sep 9, 2025 · Dust aerosols suppress precipitation near source areas; the suppressed cloud water can be. 420 conserved within the weather system and ...
[81]
Estimation of Asian dust aerosol effect on cloud radiation forcing ...
May 23, 2008 · The impact of Asian dust on cloud radiative forcing during 2003–2006 is studied by using the Clouds and Earth's Radiant Energy Budget Scanner (CERES) data.
[82]
Climate effects of dust aerosols over East Asian arid and semiarid ...
Aug 28, 2014 · In addition, dust can inhibit or enhance precipitation under certain conditions, thus impacting the hydrological cycle. Over Asian arid and ...
[83]
[PDF] Climate effects of dust aerosols over East Asian arid and semiarid ...
Compared with the aerosols of Saharan dust, those of East Asian dust are more absorptive of solar radiation, and its direct radiative forcing at the top of ...
[84]
[PDF] The Effect of Asian Dust Aerosols on Cloud Properties and Radiative ...
This study shows the effect of Asian dust aerosols on ice cloud properties and TOA radiative forcings. Analysis of the satellite observations indicates that ...Missing: peer- | Show results with:peer-
[85]
China's killer "yellow dust" hits Korea, Japan | Reuters
Mar 2, 2008 · The state-sponsored Korea Environment Institute said the dust kills up to 165 South Koreans a year, mostly the elderly or those with respiratory ...<|control11|><|separator|>
[86]
Asian Dust Storm Elevates Children's Respiratory Health Risks
This study investigates the documented daily visits of children to respiratory clinics during and after ADS that occurred from 1997 to 2007 among 12 districts ...
[87]
The Effects of PM2.5 from Asian Dust Storms on Emergency Room ...
This study has shown that exposure to high levels of PM2.5 as brought by ADSs increases the risk of ER visits for CVDs and RDs, especially in people above the ...
[88]
Effect of Asian dust storms on daily mortality in seven metropolitan ...
This study aims to explore the effect of Asian dust storms on daily mortality in Korea during 2001–2009. All analyses were confined to non-accidental mortality.
[89]
Desert Dust Exposure Is Associated with Increased Risk of Asthma ...
The studies from Korea showed a significant decrease in peak flow for children and adults with asthma on Asian dust days, although a quantitative definition of ...
[90]
Effect of Asian dust on pulmonary function in adult asthma patients ...
Conclusions. Heavy exposure to AD particles was significantly associated with decreased pulmonary function in adult asthma patients.
[91]
Health Effects of Asian Dust: A Systematic Review and Meta-Analysis
Jun 26, 2020 · We found evidence of increased mortality and hospital admissions for circulatory and respiratory events.
[92]
Health Effects of Asian Dust Events: A Review of the Literature
In total, we identified 19 epidemiologic studies (3 for mortality, 13 for hospital visits or admissions and 3 for respiratory functions or symptoms) mainly from ...
[93]
Effects of Desert Dust and Sandstorms on Human Health: A Scoping ...
Mar 1, 2023 · Only a few studies have reported long-term health effects, including adverse birth outcomes, under-5 mortality, and mental health (Altindag et ...
[94]
Wind and Sandblast Damage to Growing Vegetation - ResearchGate
Aug 7, 2025 · Particles moving in the wind stream damage plants by impact, burial, and exposure of plant roots. Reported effects of wind and sandblast damage ...
[95]
Impacts of sand and dust storms on agriculture and potential ...
Sand and dust storms have many negative impacts on the agricultural sector including: reducing crop yields by burial of seedlings under sand deposits.Missing: abrasion | Show results with:abrasion
[96]
Impacts of Sandstorms on Wheat Yield in Northern China
Feb 24, 2025 · This paper estimates the impacts of sandstorms on crop yields and examines the associated adaptation strategies. Using data from 288 counties ...Missing: equipment | Show results with:equipment
[97]
[PDF] Sand and Dust Storms Risk Assessment in Asia and the Pacific
Sand and dust storms have a negative impact on food security by intensifying the damages to the livelihood and food security of millions of small farmers and ...
[98]
Long-Term Effects of Livestock Loss Caused by Dust Storm on ... - NIH
Every spring, windblown dust storms damage human health and cause many domestic animal deaths in Mongolia. In particular, mass livestock death results in ...
[99]
Assessing the impact of sand and dust storm on agriculture
Feb 6, 2023 · Dust storms affect the livestock sector in several ways. The impacts include direct physical harm from stress to their physical environment and ...
[100]
"Yellow dust" closes South Korean schools | Reuters
Mar 2, 2008 · SEOUL, March 3 (Reuters) - South Korea closed schools, and factories producing memory chips stepped up safeguards on Monday, as a choking ...Missing: shutdown | Show results with:shutdown
[101]
China's Yellow Dust Storms Begin, Data Called a "State Secret"
Mar 3, 2008 · East Asia's yellow dust season is underway, with clouds of sand spotted last week in northwest China now closing schools, disabling factories and depositing ...Missing: shutdown | Show results with:shutdown
[102]
Yellow dust storms bedevil local industry - Korea JoongAng Daily
Apr 17, 2012 · In the realm of aviation, flights are occasionally canceled due to low visibility caused by the dust storms.Missing: factories | Show results with:factories
[103]
Sandstorm Fails to Blow China's Post-Covid Recovery Off Course
May 11, 2021 · Hundreds of flights were cancelled due to poor visibility but, despite the incident, Chinese domestic flights were barely affected which ...
[104]
An analysis of air pollution associated with the 2023 sand and dust ...
The data show that the Taklamakan Desert is one of the main sources of dust aerosols. On April 19, dust concentrations were adjusted in the range from 1400 to ...
[105]
Impact of sand and dust storms on aviation safety
Sand and dust weather caused by rolling up of sand and dust obscures visibility and affects takeoffs and landings, causing flight delay, cancellation and ...Missing: canceled | Show results with:canceled
[106]
Socio-Economic Costs from Yellow Dust Damages in South Korea
The total soci-economic cost from yellow dust damage in South Korea in the year of 2002 is estimated as US$ 3,900 million at minimum and US$ 7,300 million at ...
[107]
Economic Impact and Risk Assessment of Sand and Dust Storms ...
The objectives of this study are to estimate the economic impact of SDS on the oil and gas industry in Kuwait, to estimate a risk index for each loss,
[108]
When Fine Dust Is Severe, Outdoor Classes Are Prohibited ...
Mar 11, 2021 · When Fine Dust Is Severe, Outdoor Classes Are Prohibited... Ministry of Education On the 10th, when fine dust levels were poor amid warm ...
[109]
Seoul schools to minimize outdoor activities when fine dust levels rise
Apr 13, 2017 · Under the new guidelines, schools will be prohibited from holding classes outdoors when the level of fine dust is above 81 micrograms per cubic ...Missing: Asian bans PM10 Japan
[110]
[PDF] Pierce-The American College of Greece Model United Nations ...
logging in the aftermath of the yellow dust phenomenon in North-East Asia”. ... In terms of the economy the yellow dust phenomenon mostly impacts ... tourism at ...<|separator|>
[111]
WMO highlights hotspots, health hazards and economic cost of sand ...
Jul 10, 2025 · In the USA alone, dust and wind erosion cost an estimated USD 154 billion in 2017- more than a fourfold increase over the 1995 calculation. The ...
[112]
Estimating the Economic Value of Improving the Asian Dust Aerosol ...
Nov 1, 2021 · The study found that a 1% improvement in ADAM accuracy and a one-level subdivision were valued at USD 0.04 and USD 0.12 per household, ...
[113]
[PDF] Sand and Dust Storms in the Middle East and North Africa (MENA ...
2019. Sand and Dust Storms in the Middle East and North Africa Region—Sources, Costs, and Solutions. Washington, DC. This report was prepared by Menaal Ebrahim ...
[114]
Has the Three Norths Forest Shelterbelt Program solved the ...
Although the large-scale afforestation program may have had some beneficial effects on reducing dust storms and controlling desertification in China, the ...
[115]
[PDF] MODELING THE POTENTIAL OF THE NORTHERN CHINA FOREST ...
The results of our study show that wind speed would be reduced and soil moisture increased in spring due to afforestation, thereby contributing to reduced dust.
[116]
Impacts of Land Surface Conditions and Land Use on Dust Events in ...
Aug 22, 2021 · Since 2003, land use in Inner Mongolian TGs has been controlled by grassland protection legislation to prevent desertification and dust storms.Missing: efficacy | Show results with:efficacy
[117]
Impacts of the Grassland Ecological Compensation Policy on ...
Compared with the 1950s, grassland productivity in Inner Mongolia has decreased by 40% and, relatedly, livestock-carrying capacity reduced by 60% (Wang, 2007).Missing: efficacy | Show results with:efficacy
[118]
Grass Grids have Proven an Effective Way to Combat Desertification
Dec 4, 2024 · Chinese scientists are building a water balance simulator to assist in prevention and control of desertification. The automatic device was ...
[119]
The cross-boundary of land degradation in Mongolia and China and ...
The Mongolian Government has initiated the “Green Great Wall” Campaign to establish the 3000 km length green area to address the degradation and reduce ...
[120]
Rangeland management and climate hazards in drylands: dust ...
Oct 11, 2016 · This paper examines the theory and supporting evidence for links between desertification, drought and dust storms with a particular focus on studies undertaken ...
[121]
Impacts of the world's largest afforestation program (Three-North ...
Desertification area had little change while the overall intensity decreased. The TNAP contributed to desertification dynamics by 10.3%, which is lower than ...
[122]
International Day of Combating Sand and Dust Storms丨China's ...
Jul 12, 2025 · In 2025, CMA upgraded its independently developed sand and dust storm numerical weather prediction (NWP) system (hereinafter referred to as the ...
[123]
The Efficient Integration of Dust and Numerical Weather Prediction ...
Jan 16, 2025 · iDust's development and successful implementation marks a significant advancement in dust forecasting, delivering accurate, efficient, and ...
[124]
Chinese scientists develop new dust storm forecasting system to ...
Apr 20, 2025 · The system can generate 10-day dust forecasts in just six hours after collecting observations, a significant improvement over ECMWF models, ...
[125]
Lethal dust storms blanket Asia every spring — now AI could help ...
Apr 15, 2024 · “And we already have a huge volume of information about dust storms, including ground-level observational data, satellite data and simulations ...Missing: origins | Show results with:origins
[126]
Improving the Asian dust storm prediction using WRF-Chem through ...
Jun 1, 2024 · This study aims to enhance the accuracy of the Weather Research and Forecasting model coupled with Chemistry (WRF-Chem) in forecasting Asian dust storms (ADSs)
[127]
Prediction of Asian Dust Days over Northern China Using the KMA ...
Song, 2010: The Asian dust aerosol model 2 (ADAM2) with the use of normalized difference vegetation index (NDVI) obtained from the Spot4/vegetation data.<|control11|><|separator|>
[128]
Transboundary Air Pollution in Northeast Asia and Lessons from ...
Most atmospheric scientists conclude that as little as 40 percent and as much as 70 percent of Korea's and Japan's air pollution originates in China.
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32 pct of S. Korea's ultrafine dust comes from China: study
Nov 20, 2019 · Around 32 percent of ultrafine dust in South Korea can be attributed to China, a piece of joint research by South Korea, China and Japan showed Wednesday.<|separator|>
[130]
[PDF] Transboundary Air Pollution in Northeast Asia: Two Pathways ...
Transboundary air pollution between China and South Korea starts with desertification in China and southeasterly “yellow dust” storms act as vectors for various ...
[131]
Air Pollution Coverage, Anti-Chinese Sentiment, and Attitudes ...
Mar 27, 2023 · Air pollutants allegedly originating from China have become a thorny issue in South Korea. Despite a neutral view of the topic on the part ...
[132]
Dust exposure linkages among Asian countries - ScienceDirect.com
Jun 25, 2024 · In this study, we integrated dust emissions with dust transport in Asia to investigate the dust exposure linkages among Asian countries.
[133]
Transboundary fine dust pollution in China and Korea: How has ...
Jan 5, 2024 · In 2017, the Seoul metropolitan government publicly announced that more than half of Seoulʼs fine dust pollution originated in China (The Korean ...
[134]
The case of transboundary air pollution in Northeast Asia
Chinese-Japanese collaborations attribute transboundary air pollution to China. •. Chinese-Korean collaborations do not attribute transboundary air pollution to ...
[135]
The effects of transboundary air pollution from China on ambient air ...
Dec 12, 2019 · I find that the effect of transboundary air pollutants from China accounts for 19 percent of the weekly average PM10 concentrations, varying 12– ...
[136]
The Tripartite Environment Ministers Meeting among Japan, China ...
The Environment Ministers of the three countries have been meeting annually at the Tripartite Environment Ministers Meeting among China, Japan, and Korea (TEMM ...
[137]
Korea, China, Japan vow to address yellow dust and climate change
Sep 29, 2024 · South Korea, China and Japan adopted a joint communique on Sunday promising to collaborate on addressing the environmental challenges of yellow dust and ...
[138]
Outcome of the 26th Tripartite Environment Ministers Meeting ...
Sep 29, 2025 · The “Tripartite Environment Ministers Meeting among Japan, Korea and China (TEMM)” has been held since 1999 in rotation in each country (in 2020 ...
[139]
Sand and Dust Storm Warning Advisory and Assessment System ...
SDS-WAS was established in 2007 in response to the intention of 40 WMO member countries to improve capabilities for more reliable sand and dust storm forecasts.
[140]
ATMOSPHERIC SAND AND DUST FORECASTING ...
The World Meteorological Organization (WMO) 11th Sand and Dust Storm Warning Advisory and Assessment System (SDS-WAS) Asian Regional Steering Committee ...
[141]
WMO 11th SDS-WAS Asian Regional Steering Meeting
Aug 26, 2025 · Its primary objective is to develop a global network for sand and dust storm (SDS) research and operational forecasting, thereby advancing the ...Missing: node | Show results with:node
[142]
WMO AIRBORNE DUST BULLETIN - NEWS
At present, SDS-WAS nodes are spread all over the world, including Asian, European and Pan-American nodes. China Meteorological Administration CMA plays an ...
[143]
Sand and dust storms: a growing global health threat calls for ...
Jan 21, 2025 · A 2020 systematic review showed there was increased mortality risk associated with circulatory diseases (2·33%) and respiratory diseases (3·99%) ...