{"title":"中亚沙尘暴气溶胶与其他地区土壤沙尘特征的比较","authors":"Laurent Gomes , Dale A. Gillette","doi":"10.1016/0960-1686(93)90027-V","DOIUrl":null,"url":null,"abstract":"<div><p>Aerosol samples from dust storms were collected in Tadzhikistan (Soviet Central Asia) during September 1989, as a part of the joint U.S.S.R.-U.S. Dust Experiment. Physico-chemical characteristics of deposited dust were compared with those of soil-derived dust collected in other regions. Particle mass-size distributions appear to be characterized by a common log-normal mode between 1 and 10 μm. Chemical composition of the sampled material shows that the dust is particularly rich in calcium and silicon and poor in iron. Estimated mineral composition of dust indicates that this enrichment in Ca and Si for the Soviet Asian dust must be related to high contents of carbonate and quartz, respectively. Different Fe/Al also suggest a specific chemical composition for clay minerals in the Asian dust.</p></div>","PeriodicalId":100139,"journal":{"name":"Atmospheric Environment. Part A. General Topics","volume":"27 16","pages":"Pages 2539-2544"},"PeriodicalIF":0.0000,"publicationDate":"1993-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0960-1686(93)90027-V","citationCount":"101","resultStr":"{\"title\":\"A comparison of characteristics of aerosol from dust storms in Central Asia with soil-derived dust from other regions\",\"authors\":\"Laurent Gomes , Dale A. Gillette\",\"doi\":\"10.1016/0960-1686(93)90027-V\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>Aerosol samples from dust storms were collected in Tadzhikistan (Soviet Central Asia) during September 1989, as a part of the joint U.S.S.R.-U.S. Dust Experiment. Physico-chemical characteristics of deposited dust were compared with those of soil-derived dust collected in other regions. Particle mass-size distributions appear to be characterized by a common log-normal mode between 1 and 10 μm. Chemical composition of the sampled material shows that the dust is particularly rich in calcium and silicon and poor in iron. Estimated mineral composition of dust indicates that this enrichment in Ca and Si for the Soviet Asian dust must be related to high contents of carbonate and quartz, respectively. Different Fe/Al also suggest a specific chemical composition for clay minerals in the Asian dust.</p></div>\",\"PeriodicalId\":100139,\"journal\":{\"name\":\"Atmospheric Environment. Part A. General Topics\",\"volume\":\"27 16\",\"pages\":\"Pages 2539-2544\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1993-11-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/0960-1686(93)90027-V\",\"citationCount\":\"101\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Atmospheric Environment. Part A. General Topics\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/096016869390027V\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Atmospheric Environment. Part A. General Topics","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/096016869390027V","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A comparison of characteristics of aerosol from dust storms in Central Asia with soil-derived dust from other regions
Aerosol samples from dust storms were collected in Tadzhikistan (Soviet Central Asia) during September 1989, as a part of the joint U.S.S.R.-U.S. Dust Experiment. Physico-chemical characteristics of deposited dust were compared with those of soil-derived dust collected in other regions. Particle mass-size distributions appear to be characterized by a common log-normal mode between 1 and 10 μm. Chemical composition of the sampled material shows that the dust is particularly rich in calcium and silicon and poor in iron. Estimated mineral composition of dust indicates that this enrichment in Ca and Si for the Soviet Asian dust must be related to high contents of carbonate and quartz, respectively. Different Fe/Al also suggest a specific chemical composition for clay minerals in the Asian dust.
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