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[1]HAN Dongdong,ZHU Zhongyuan,SONG Xiaoyuan,et al.Effects of Land Cover and Climate Change on Runoff in Xilinhe River Basin[J].Research of Soil and Water Conservation,2019,26(02):153-160.

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Effects of Land Cover and Climate Change on Runoff in Xilinhe River Basin

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 26 Number of periods: 2019 02 Page number: 153-160 Column: Public date: 2019-04-28

Title:: Effects of Land Cover and Climate Change on Runoff in Xilinhe River Basin

Author(s):: HAN Dongdong¹, ZHU Zhongyuan¹, SONG Xiaoyuan², HAO Xiangyun¹, LIU Dandan¹, WANG Huimin¹, WANG Fei¹; 1. College of Water Conservancy and Civil Engineering, Inner Mongolia Agriculture University, Hohhot 010018, China;
2. College of Civil Engineering and Architecture, Linyi University, Linyi, Shandong 276000, China

Keywords:: SWAT model; land use/coverage; climate change; extreme land use; CMIP5 climate model; Xilinhe River Basin

CLC:: F301.2;P467;P333

DOI:: -

Abstract:: Land cover and climate change are two main factors that affect the macro-control and reasonable planning of water resources in the river basin. Xilinhe River Basin was used as a research area, and Xilinhot and its four national meteorological stations were used to set the scenario model and SWAT model. The combined method was used to analyze and study separately. Through the extreme land use method, different scenarios for land use/coverage in the study area were set up to study the impact of land use/climate change on the runoff. In addition, the latest two RCP emission scenarios RCP4.5 and RCP8.5 of climate model CMIP5 were used to predict future changes in temperature, precipitation, and runoff. The following research results are obtained. Land change had weaker impact on inter-annual change of runoff, but it had significant impact on runoff during flood season; runoff in the study area was very sensitive to climate change, and future minimum and maximum temperatures show warming trends. The future trends of precipitation and runoff remain basically the same, showing the increasing trend.

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