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[1]ZHU Li,QIN Fu-cang,YAO Yun-feng.Response of Land Use Change to Hydrological Dynamics in Rocky Mountain Area of North China—Based on Yunzhou Reservoir of Zhangjiakou[J].Research of Soil and Water Conservation,2009,16(06):224-228.

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Response of Land Use Change to Hydrological Dynamics in Rocky Mountain Area of North China—Based on Yunzhou Reservoir of Zhangjiakou

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 16 Number of periods: 2009 06 Page number: 224-228 Column: Public date: 2009-12-20

Title:: Response of Land Use Change to Hydrological Dynamics in Rocky Mountain Area of North China—Based on Yunzhou Reservoir of Zhangjiakou

Author(s):: ZHU Li^1,2, QIN Fu-cang¹, YAO Yun-feng¹; 1. College of Ecology and Environmental Science Inner Mongolian Agricultural University, Huhhot 010019, China;
2. Department of Resource and Environmen Baotou Normal College, Baotou, Inner Mongolia 014030, China

Keywords:: hydrology dynamics; land use/land cover; north Beijing mountain area

CLC:: F301.24;X171.1

DOI:: -

Abstract:: This paper has taken Yunzhou reservoir of Zhangjiakou as the example, researched the hydrological response of land use/cover change in north Beijing mountain area. We collected remote sensing images of the study area in 1968, 1980 and 2000, interpretated the remote sensing images by using MapGis software, then obtained land use maps, analyzed the land use maps by using ArcView software, obtained spatial data and attribute data of different periods. Using daily precipitation data and daily runoff data of the study area, the hydrological response of different land use periods were analyzed. The results showed that: land use change of north Beijing mountain area had significant effect on the annual runoff of the basin. During the land use period of 1981-2000, with more forestland or good land cover, the runoff yield had decreased by 57% compared with the period of 1968-1980, the annual mean runoff coefficient had decreased by 22.22%. Under the same precipitation condition, predicted by using the fitting curve of precipitation and runoff of different land use periods, it showed that the runoff yield in 1981-2000 had decreased by 15%~30% compared with the period of 1968-1980. Different land uses, under the same precipitation condition, had obvious difference only during growing season, that’s to say, the effect that land use change had on the runoff yield was seasonal, it had no significant effect during the drought period. The runoff generation ability decreased significantly when the land cover was good.

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