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[1]ZHANG Li-ying,YUE De-peng,WANG Ji-ping,et al.The Primary Research on Characteristics of Blown Sand Activities and Pattern for Combating Sandstorm in Beijing Region[J].Research of Soil and Water Conservation,2008,15(04):184-188.

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The Primary Research on Characteristics of Blown Sand Activities and Pattern for Combating Sandstorm in Beijing Region

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 15 Number of periods: 2008 04 Page number: 184-188 Column: Public date: 2008-08-20

Title:: The Primary Research on Characteristics of Blown Sand Activities and Pattern for Combating Sandstorm in Beijing Region

Author(s):: ZHANG Li-ying¹, YUE De-peng¹, WANG Ji-ping^1,2, LIU Yong-bin³, NIU Si-bo⁴; 1. School of Forestry, Beijing Forestry Univ.;
Key Laboratory of Forest Resources Cultivation and Conservation, Ministry of Education, Beijing 100083, China;
2. Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China;
3. Environmental Protection Research Institute of Light Industry, Beijing 100089, China

Keywords:: Beijing region; blown sand activities; flown sand source area; pattern for combating sandstorm

CLC:: S157

DOI:: -

Abstract:: Beijing region is one of the most serious regions which are subjected to the sandstorm disaster deeply.In this paper,we chose Daxing county as study area,in which,an unprecedented heavy sand stormy weather with high frequency took place in the spring dramatically.Therefore,based on the climate data from 1960 to 2004 and TM images data,employing climate statistics methods and RS technology,combining observation on the spots,the authors analyzed frequency of sand stormy weather,climate background,spacial distribution characteristics of desertification patches and activity rule of sandstorm near the earth’s surface.The result showed that,winnowing sand which happened mostly in April and May,is the main disaster weather of Daxing county and even the whole Beijing region,the frequency direction of biggest wind speed were northeast and southwest main wind directions,and desertification patches of study area,which had the trend of reducing gently,distributed principally in watercourse of Yongding river and dunes in the middle of Daxing county.Combining the two results above,we got that threshold wind speed corresponding with underling surface of different land use style is different evidently,and on the basis of that,we brought forward the total project of fathering sandstorm pattern in sandstorm source area,which could offer indication function for preventing and fathering sandstorm in Beijing.

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