Impact of land-cover and climate changes on runoff of the source regions of the Yellow River

被引：1

作者：

Li Daofeng

Tian Ying

Liu Changming

Hao Fanghua

机构：

[1] Beijing Normal University,State Key Joint Laboratory of Environmental Simulation and Pollution Control, Key Laboratory for Water and Sediment Sciences of Ministry of Education, Institute of Water Sciences

[2] The University of Hong Kong,Dept. of Civil Engineering

[3] CAS,Inst. of Geographic Sciences and Natural Resources Research

来源：

Journal of Geographical Sciences | 2004年 / 14卷 / 3期

关键词：

distributed hydrological model; source regions of the Yellow River; scenario simulation; changing environment;

D O I：

10.1007/BF02837414

中图分类号：

学科分类号：

摘要：

After dividing the source regions of the Yellow River into 38 sub-basins, the paper made use of the SWAT model to simulate streamflow with validation and calibration of the observed yearly and monthly runoff data from the Tangnag hydrological station, and simulation results are satisfactory. Five land-cover scenario models and 24 sets of temperature and precipitation combinations were established to simulate annual runoff and runoff depth under different scenarios. The simulation shows that with the increasing of vegetation coverage annual runoff increases and evapotranspiration decreases in the basin. When temperature decreases by 2°C and precipitation increases by 20%, catchment runoff will increase by 39.69%, which is the largest situation among all scenarios.

引用

页码：330 / 338

页数：8