ArticleScientific data2026
A dataset on morphology and composition of saltation-sandblasting dust particles from major Chinese source regions.
Article in Scientific data, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Large quantities of dust particles are emitted from the arid and semi-arid regions of China, influencing atmospheric processes and climate from regional to global scales. The morphology and composition of dust particles govern their optical properties, reactivity, and transport behavior; thus, accurate single-particle information is essential for improving model representations and understanding their environmental effects. Here, we present the Dust Morphology and Composition from China's Source Regions (DMC-China) dataset. The dataset includes 541,074 individual dust particles generated via saltation-sandblasting processes from 55 surface soils collected from major dust source regions. The samples represent surface cover types, including gobi (gravel/desert pavement), sand dune, saline, desertified grassland and alluvial sediment surfaces. The particles were analyzed using computer-controlled scanning electron microscopy coupled with energy-dispersive X-ray spectroscopy (CCSEM-EDX), and strict quality control procedures ensured consistency and reliability across samples. Provided in accessible XLSX format with detailed metadata, DMC-China delivers comprehensive source-region profiles of nascent dust particle size, shape, and composition, offering a valuable foundation for studies of dust emission, long-range transport, and dust-related effects on climate and the environment.
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