Rules of runoff variation of Yarkand River in recent 48 years
The Yarkand river is the biggest river in the western of Tarim Basin.According to the annual runoff time series at the Kaqun station of the Yarkand river from 1957 to 2004,we used accumulated anomaly,Mann-Kendall test and wavelet analysis to distinguish the runoff evolution characteristics.The results showed that：（1） The annual runoff of Yarkand river showed a slight increase trend with variability.（2） The annual runoff of Yarkand river was no abrupt change in statistical significance.（3） The annual runoff of Yarkand river had four time scale,namely 2,4-6,11-13 and 17-19years,the principal periods of annual runoff of the Yarkand river were 2,5,13 and 18 years,and the 5-year period was especially outstanding.
NETL
NSTL
万方数据
维普
