| OBSERVATIONAL STUDIES ON SAND-DUST STORM IN HELAN MOUNTAINOUS AREA |
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| 作者姓名： | 牛生杰 章澄昌 孙继明 樊曙先 |
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| 作者单位： | Nanjing Institute of Meteorology，Beijing Institute of Meteorology，Ningxia Key Laboratory of Meteorological Disaster Prevention and Mitigation，Ningxia University Nanjing 210044，Beijing 100081，Yinehuan 750002，Yinchuan 750021 |
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| 基金项目： | This work was financially supported by the project of the Observational Studies on Some Problems about Sandstorms in Helan Mountainous Area of the National Natural Science Foundation of China under Grant No.49565010. |
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| 摘 要： | According to the observation of the number and mass concentration spectra of atmosphericaerosols,the total suspended particulates (TSP) and their size distribution,micrometeorology,and the solar spectroscopic radiation,even neutron activation treatment of sand dust samples inHelan Mountainous area.the formation law of floating dust,blowing sand and sandstorm weatherand the characteristics of climatic variation in this area and the influence of the Helan Mountain arecounted and analyzed.In addition,the spectrum characteristics,optical depth and chemicalcomposition of sand aerosol particles are also analyzed and discussed.
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OBSERVATIONAL STUDIES ON SAND-DUST STORM IN HELAN MOUNTAINOUS AREA |
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| NIU Shengjie Nanjing Institute of Meteorology,Nanjing ZHANG Chengchang Beijing Institute of Meteorology.OBSERVATIONAL STUDIES ON SAND-DUST STORM IN HELAN MOUNTAINOUS AREA[J].Acta Meteorologica Sinica,2001(4). |
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| Authors: | NIU Shengjie Nanjing Institute of Meteorology Nanjing ZHANG Chengchang Beijing Institute of Meteorology |
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| Institution: | NIU Shengjie Nanjing Institute of Meteorology,Nanjing 210044ZHANG Chengchang Beijing Institute of Meteorology.Beijing 100081SUN Jiming Ningxia Key Laboratory of Meteorological Disaster Prevention and Mitigation,Yinehuan 750002FAN Shuxian Ningxia University.Yinchuan 750021 |
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| Abstract: | According to the observation of the number and mass concentration spectra of atmospheric aerosols,the total suspended particulates (TSP) and their size distribution,micrometeorology, and the solar spectroscopic radiation,even neutron activation treatment of sand dust samples in Helan Mountainous area.the formation law of floating dust,blowing sand and sandstorm weather and the characteristics of climatic variation in this area and the influence of the Helan Mountain are counted and analyzed.In addition,the spectrum characteristics,optical depth and chemical composition of sand aerosol particles are also analyzed and discussed. |
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| Keywords: | sand-dust storm particle size distribution optical depth chemical composition |
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