LIANG Jianming, ZHOU Jie, HE Zhong, LIU Weiguo, LIANG Yinli, CHENG Jimin. CHARACTERIZATION OF MODERN DUSTFALL IN THE LOESS PLATEAU: A CASE STUDY OF GUYUAN AND ANSAI[J]. Marine Geology & Quaternary Geology, 2009, 29(1): 103-108. DOI: 10.3724/SP.J.1140.2009.01103
Citation: LIANG Jianming, ZHOU Jie, HE Zhong, LIU Weiguo, LIANG Yinli, CHENG Jimin. CHARACTERIZATION OF MODERN DUSTFALL IN THE LOESS PLATEAU: A CASE STUDY OF GUYUAN AND ANSAI[J]. Marine Geology & Quaternary Geology, 2009, 29(1): 103-108. DOI: 10.3724/SP.J.1140.2009.01103
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CHARACTERIZATION OF MODERN DUSTFALL IN THE LOESS PLATEAU: A CASE STUDY OF GUYUAN AND ANSAI

  • 1 State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710075, China;

  • 2 Institute of Soil and Water Conservation, Chinese Academy of Sciences, Ministry of Water Resources, Yangling 712100, China;

  • 3 Graduate University of Chinese Academy of Sciences, Beijing 100049, China

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  • Received Date: November 08, 2008
  • Revised Date: December 25, 2008
    Graphical Abstract
    • Abstract
  • To investigate the characteristics of modern dustfall in the Loess Plateau, 12 dustfall samples were collected in May 2007 through April 2008 at Guyan in Ningxia Hui Autonomous Region, and 13 dustfall samples were collected from May through August 2007 and from March through November 2008 at Ansai in Shaanxi Province. In addition to the dustfall samples, 2 samples of undisturbed top soil were also collected around each sampling site. Analysis of total organic carbon, grain size and magnetic susceptibility suggests,the total organic matter content of the dust samples from both sites range from 1.029% to 6.634%, and grain-size distribution indicates that near-source transport of dust is dominant and anthropogenic PM10 accounts for only a small fraction of dustfall. Magnetic susceptibility for the dustfall samples appears to be markedly higher than that for the topsoil samples,but no seasonal characteristics could be found.
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    • References (21)
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