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

查看全文 作　　者：YANG [1,2,3]Yuhui;CHEN [1]Yaning;LI [1]Weihong;WANG [4]Minzhong;SUN [1,3]Guili

机构地区：[1]The Key Laboratory of Oasis Ecology and Desert Environment, Xinjiang Institute of Ecology and Geography,Chinese Academy of Sciences, Urumqi 830011, China;[2]School of Geographic Science and Tourism, Normal University of Xinjiang, Urumqi 830054, China;[3]Graduate University of the Chinese Academy of Sciences, Beijing 100049, China;[4]Institute of Desert and Meteorology, China Meteorological Administration, Urumqi 830002, China

出　　处：《Chinese Geographical Science》索引2010年第20卷第3期,共9页

基　　金：Under the auspices of Knowledge Innovation Programs of Chinese Academy of Sciences (No. KZCX2-YW-127, KZCX2-XB2-03-01, KZCX2-Q10-5-4) 摘　　要：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. 关键词：气候变化影响新疆北部径流量中国北方地区河流非线性回归模型北大西洋涛动温度升高

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

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