Trend Analysis of Annual Streamflow in Tumenjiang River Basin
This study is based on the annual streamflow of seven gauging stations in the Tumenjiang River Basin.The Mann-Kendall rank correlation test,moving t-test method and differential accumulation curve were carried out to analyze the annual variation characteristics of the streamflow.The results indicate that the annual streamflow of each station appears downtrend on the whole; especially,the downtrend is obvious for Nanping and Kaishantun stations,the reasons for which were affected by the climate,underlying surface,runoff area,and human activities.
Tumenjiang River Basinrunoffannual variationtrend analysis
NETL
NSTL
万方数据
维普
