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Volume 21 Issue 2
Apr 2010
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Article Contents
Yuanqing He, Tao Pu, Zongxing Li, Guofeng Zhu, Shijin Wang, Ningning Zhang, Shuxin Wang, Huijuan Xin, Wilfred H Theakstone, Jiankuo Du. Climate Change and Its Effect on Annual Runoff in Lijiang Basin-Mt. Yulong Region, China. Journal of Earth Science, 2010, 21(2): 137-147. doi: 10.1007/s12583-010-0012-5
Citation: Yuanqing He, Tao Pu, Zongxing Li, Guofeng Zhu, Shijin Wang, Ningning Zhang, Shuxin Wang, Huijuan Xin, Wilfred H Theakstone, Jiankuo Du. Climate Change and Its Effect on Annual Runoff in Lijiang Basin-Mt. Yulong Region, China. Journal of Earth Science, 2010, 21(2): 137-147. doi: 10.1007/s12583-010-0012-5

Climate Change and Its Effect on Annual Runoff in Lijiang Basin-Mt. Yulong Region, China

doi: 10.1007/s12583-010-0012-5
Funds:

the National Natural Science Foundation of China 40971019

the West Light Foundation of Chinese Academy of Sciences O828A11001

the National Basic Research Program of China 2007CB411501

the Special Grant for Postgraduate Research, Innovation and Practice 

the Major Directionality Program of the Chinese Academy of Sciences KZCX-YW-317

the Fund from the State Key Laboratory of Cryospheric Sciences 

the Fund from Lijiang City Government 

More Information
  • Corresponding author: Pu Tao, ptt168@163.com
  • Received Date: 30 Oct 2009
  • Accepted Date: 08 Jan 2010
  • Publish Date: 01 Apr 2010
  • Based on the meteorological and hydrologic data in the Lijang (丽江) basin from 1979 to 2006, variational trend and characteristics of climate change and its effect on runoff in Yanggong (漾弓) River were examined in the study. The results show that the temperature have significantly increased in the drainage basin during the past 28 years. The average temperature increased markedly from 1979 to 2006, and the increase of temperature in winter was higher than those in other seasons. The annual precipitation varied with a slightly upward trend in the same period, suggesting that the increase mainly occurred in spring and summer while the decrease occurred in autumn and winter. The streamflow at Yanggong River showed a significant increasing trend. During the four seasons, spring experienced the most significant increase, and autumn experienced the smallest. On the basis of the above study, we found that the increasing trend in runoff was more significant than the increase in precipitation in the study area. That was the synactic results of variation of groundwater, ice-snow meltwater and precipitation caused by global climate change.

     

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