Effects of climate change on water resources in Tarim River Basin, Northwest China
CHEN Ya-ning , LI Wei-hong , XU Chang-chun , HAO Xin-ming
DOI:
Received August 20, 2006,Revised November 24, 2006, Accepted , Available online
Volume 19,2007,Pages 488-493
- Summary
- References
- Related Articles
Based on hydrology, temperature, and precipitation data from the past 50 years, the e ects of climate change on water resources in Tarim River Basin in Northwest China were investigated. The long-term trends of the hydrological time series were detected using both parametric and nonparametric techniques. The results showed that the increasing tendency of the temperature has a 5% level of
significance, and the temperature increased by nearly 1°C over the past 50 years. The precipitation showed a significant increase in the 1980s and 1990s, and the average annual precipitation exhibited an increasing trend with a magnitude of 6.8 mm per decade. A step change occurred in both the temperature and precipitation time series around 1986. The streamflow from the headwater of the
Tarim River exhibited a significant increase during the last 20 years. The increase in temperature, precipitation, and streamflow may be attributed to global climate change.
