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干旱区科学
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Impacts of temperature and precipitation on runoff in the Tarim River during the past 50 years
YuTing FAN, YaNing CHEN, WeiHong LI, HuaiJun WANG, XinGong LI
1 State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China; 2 Graduate University of Chinese Academy of Sciences, Beijing 100049, China; 3 Department of Geography, University of Kansas Lawrence, KS 66045, USA
Impacts of temperature and precipitation on runoff in the Tarim River during the past 50 years
YuTing FAN, YaNing CHEN, WeiHong LI, HuaiJun WANG, XinGong LI
1 State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China; 2 Graduate University of Chinese Academy of Sciences, Beijing 100049, China; 3 Department of Geography, University of Kansas Lawrence, KS 66045, USA
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摘要 The relationship between climate change and water resources in?the Tarim River was analyzed by combining the temperature, precipitation and streamflow data from 1957 to 2007 from the four headstreams of the Tarim River (Aksu, Hotan,?Yarkant and Kaidu rivers) in the study area. The long-term trend of the hydrological?time series including temperature, precipitation and streamflow were studied using correlation analysis and partial correlations analysis. Holt double exponential smoothing was used to fit the trends between streamflow and the two climatic factors of Aksu River, Hotan River and Yarkant River. The streamflow of the main stream was forecasted by Autoregressive Integrated Moving Average Model (ARIMA) modeling by the method of time series analysis. The results show that the temperature experienced a trend of monotonic rising. The precipitation and runoff of the four headstreams of the Tarim River increased, while the inflow to the headstreams increased and the inflow into the Tarim River decreased. Changes of temperature and precipitation had a significant impact on runoff into the four headstreams of the Tarim River: the precipitation had a positive impact on water flow in the Aksu River, Hotan River and Kaidu River, while the temperature had a positive impact on water flow in the Yarkant River. The results of Holt double exponential smoothing showed that the correlation between the independent variable and dependent variable was relatively close after the model was fitted to the headstreams, of which only the runoff and temperature values of Hotan River showed a significant negative?correlation. The forecasts by the ARIMA model for 50 years of annual runoff at the Allar station followed the pattern of the measured data for the same years. The short-term forecasts beyond the observed series adequately captured the pattern in the data and showed a decreasing tendency in the Tarim River flow of 3.07% every ten years. The results showed that global warming accelerated the water recharge process of the headstreams. The special hydrological characteristics of the arid area determined the significant association between streamflow and the two climatic factors studied. Strong glacier retreat is likely to bring a series of flood disasters within the study area.
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YuTing FAN
YaNing CHEN
WeiHong LI
HuaiJun WANG
XinGong LI
关键词:  biofilter  greenhouse gas  methane  manure storage    
Abstract: The relationship between climate change and water resources in?the Tarim River was analyzed by combining the temperature, precipitation and streamflow data from 1957 to 2007 from the four headstreams of the Tarim River (Aksu, Hotan,?Yarkant and Kaidu rivers) in the study area. The long-term trend of the hydrological?time series including temperature, precipitation and streamflow were studied using correlation analysis and partial correlations analysis. Holt double exponential smoothing was used to fit the trends between streamflow and the two climatic factors of Aksu River, Hotan River and Yarkant River. The streamflow of the main stream was forecasted by Autoregressive Integrated Moving Average Model (ARIMA) modeling by the method of time series analysis. The results show that the temperature experienced a trend of monotonic rising. The precipitation and runoff of the four headstreams of the Tarim River increased, while the inflow to the headstreams increased and the inflow into the Tarim River decreased. Changes of temperature and precipitation had a significant impact on runoff into the four headstreams of the Tarim River: the precipitation had a positive impact on water flow in the Aksu River, Hotan River and Kaidu River, while the temperature had a positive impact on water flow in the Yarkant River. The results of Holt double exponential smoothing showed that the correlation between the independent variable and dependent variable was relatively close after the model was fitted to the headstreams, of which only the runoff and temperature values of Hotan River showed a significant negative?correlation. The forecasts by the ARIMA model for 50 years of annual runoff at the Allar station followed the pattern of the measured data for the same years. The short-term forecasts beyond the observed series adequately captured the pattern in the data and showed a decreasing tendency in the Tarim River flow of 3.07% every ten years. The results showed that global warming accelerated the water recharge process of the headstreams. The special hydrological characteristics of the arid area determined the significant association between streamflow and the two climatic factors studied. Strong glacier retreat is likely to bring a series of flood disasters within the study area.
Key words:  biofilter    greenhouse gas    methane    manure storage
     修回日期:  2011-04-18           出版日期:  2011-09-07      发布日期:  2011-09-07      期的出版日期:  2011-09-07
基金资助: National Basic Research Program of China (2010CB951003)
通讯作者:  YaNing CHEN    E-mail:  chenyn@ms.xjb.ac.cn
引用本文:    
YuTing FAN, YaNing CHEN, WeiHong LI, HuaiJun WANG, XinGong LI. Impacts of temperature and precipitation on runoff in the Tarim River during the past 50 years[J]. 干旱区科学, 10.3724/SP.J.1227.2011.00220.
YuTing FAN, YaNing CHEN, WeiHong LI, HuaiJun WANG, XinGong LI. Impacts of temperature and precipitation on runoff in the Tarim River during the past 50 years. Journal of Arid Land, 2011, 3(3): 220-230.
链接本文:  
http://jal.xjegi.com/CN/10.3724/SP.J.1227.2011.00220  或          http://jal.xjegi.com/CN/Y2011/V3/I3/220
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