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[1]WANG Zhao-sheng,PAN Ai-min,XIAO Zhi-kun,et al.The Driving Factors Analysis of Land-use Change Based on the Allometric Growth Model in Xiangtan City[J].Research of Soil and Water Conservation,2010,17(05):40-44,50.

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The Driving Factors Analysis of Land-use Change Based on the Allometric Growth Model in Xiangtan City

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 17 Number of periods: 2010 05 Page number: 40-44,50 Column: Public date: 2010-10-20

Title:: The Driving Factors Analysis of Land-use Change Based on the Allometric Growth Model in Xiangtan City

Author(s):: WANG Zhao-sheng¹, PAN Ai-min¹, XIAO Zhi-kun¹, HUANG Kai¹, WANG Fang^1,2,3, TAO Jian-jun¹, QUAN Bin¹; 1. Hu’nan University of Science and Technology, Xiangtan, Hu’nan 411201, China;
2. Beijing Normal University, Beijing 100875, China;
3. The State Key Laboratory of Remote Sensing Science, Institute of Remote Sensing Applications Chinese Academy of Sciences, Beijing 100101, China

Keywords:: the allometric growth; land use; land resource system

CLC:: F301.24

DOI:: -

Abstract:: Rainfall, morphologic feature and vegetational cover are the main factors affecting regional soil erosion. The results showed the rainfall between years had a less impact on soil erosion intensity in key protection region, mainly due to higher vegetation coverage and less human activities. However, soil erosion between key control region and monitoring region was largely dominated by the rainfall, and the soil erosion intensity of the two regions is much higher than the key protection region. For the protection area and key monitoring area, there were great changes about the annual runoff intensity between years, and the annual runoff intensity between years was relatively more stable in the emphasis control area, this is because a large number of engineering measures on the slope could enhance the role of control runoff. And the same time, the runoff and sediment is the main power and carrier of soil pollutants, the soil loss intensity directly affects the pollutant loss intensity. The study indicated that the loss intensity of total phosphorus, total nitrogen and COD_Mn had the same trend with the runoff and soil loss intensity between years, and the three regions were in order of key protection region>key monitoring region>emphasis control region.

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