YANG Yuhui, CHEN Yaning, LI Weihong, WANG Minzhong, SUN Guili. Impacts of Climatic Change on River Runoff in Northern Xinjiang of China over Last Fifty Years[J]. Chinese Geographical Science, 2010, 20(3): 193-201. doi: 10.1007/s11769-010-0193-y
Citation: YANG Yuhui, CHEN Yaning, LI Weihong, WANG Minzhong, SUN Guili. Impacts of Climatic Change on River Runoff in Northern Xinjiang of China over Last Fifty Years[J]. Chinese Geographical Science, 2010, 20(3): 193-201. doi: 10.1007/s11769-010-0193-y

Impacts of Climatic Change on River Runoff in Northern Xinjiang of China over Last Fifty Years

doi: 10.1007/s11769-010-0193-y
Funds:  Under the auspices of Knowledge Innovation Programs of Chinese Academy of Sciences (No.KZCX2-YW-127, KZCX2-XB2-03-01, KZCX2-Q10-5-4)
  • Received Date: 2009-09-09
  • Rev Recd Date: 2010-02-25
  • Publish Date: 2010-04-01
  • The characteristics of climatic change and river runoff, as well as the response of river runoff to climatic change in the northern Xinjiang are analyzed on the basis of the hydrological and meteorological data over the last 50 years by the methods of Mann-Kendall nonparametric test and the nonlinear regression model. The results show that: 1) The temperature and the precipitation increased significantly in the whole northern Xinjiang, but the precipitation displayed no obvious change, or even a decreasing trend in the northern mountainous area of the northern Xinjiang. 2) River runoff varied in different regions in the northern Xinjiang. It significantly increased in the northern slope of the Tianshan Mountains and the north of the northern Xinjiang (p=0.05), while slightly increased in the west of the northern Xinjiang. 3) North Atlantic Oscillation (NAO) affects river runoff by influencing temperature and precipitation. The NAO and precipitation had apparent significant correlations with the river runoff, but the temperature did not in the northern Xinjiang. Since the mid-1990s river runoff increase was mainly caused by the increasing temperature in the northern slope of the Tianshan Mountains and the north of the northern Xinjiang. Increased precipitation resulted in increased river runoff in the west of the northern Xinjiang.
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Impacts of Climatic Change on River Runoff in Northern Xinjiang of China over Last Fifty Years

doi: 10.1007/s11769-010-0193-y
Funds:  Under the auspices of Knowledge Innovation Programs of Chinese Academy of Sciences (No.KZCX2-YW-127, KZCX2-XB2-03-01, KZCX2-Q10-5-4)

Abstract: The characteristics of climatic change and river runoff, as well as the response of river runoff to climatic change in the northern Xinjiang are analyzed on the basis of the hydrological and meteorological data over the last 50 years by the methods of Mann-Kendall nonparametric test and the nonlinear regression model. The results show that: 1) The temperature and the precipitation increased significantly in the whole northern Xinjiang, but the precipitation displayed no obvious change, or even a decreasing trend in the northern mountainous area of the northern Xinjiang. 2) River runoff varied in different regions in the northern Xinjiang. It significantly increased in the northern slope of the Tianshan Mountains and the north of the northern Xinjiang (p=0.05), while slightly increased in the west of the northern Xinjiang. 3) North Atlantic Oscillation (NAO) affects river runoff by influencing temperature and precipitation. The NAO and precipitation had apparent significant correlations with the river runoff, but the temperature did not in the northern Xinjiang. Since the mid-1990s river runoff increase was mainly caused by the increasing temperature in the northern slope of the Tianshan Mountains and the north of the northern Xinjiang. Increased precipitation resulted in increased river runoff in the west of the northern Xinjiang.

YANG Yuhui, CHEN Yaning, LI Weihong, WANG Minzhong, SUN Guili. Impacts of Climatic Change on River Runoff in Northern Xinjiang of China over Last Fifty Years[J]. Chinese Geographical Science, 2010, 20(3): 193-201. doi: 10.1007/s11769-010-0193-y
Citation: YANG Yuhui, CHEN Yaning, LI Weihong, WANG Minzhong, SUN Guili. Impacts of Climatic Change on River Runoff in Northern Xinjiang of China over Last Fifty Years[J]. Chinese Geographical Science, 2010, 20(3): 193-201. doi: 10.1007/s11769-010-0193-y
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