3、量又表现出一定的波动性,河流在1997年发生了一次由少到多的转折突变。关键字:精河;径流变化;演变趋势AnalysisofrunoffchangeinJingheAbstract:Change in Runoff Variations of theJinghe Basin during the 1968-2008 Years.ThispaperanalyzedtheannualrunofftrendsoftheJingheriverbasinbyNon-parameterMann-KendallandMann-Whitneymonotonictrendtestp