开都河源流区径流的非线性变化特征及其对气候波动的响应

柏玲, 刘祖涵, 陈忠升, 徐建华

Runoff nonlinear variation and responses to climate fluctuation in the headwater region of the Kaidu River

Ling BAI, Zuhan LIU, Zhongsheng CHEN, Jianhua XU

表1 开都河径流距平各IMF分量的周期、方差贡献率及其与径流距平序列的相关性

Table 1 Periods and variance contribution rates of IMF components and their correlations with the runoff anomaly series for Kaidu River

周期 /a 显著性检验 /% 方差贡献率 /% 与径流距平的 相关系数 IMF1 2.65 80~90 25.96 0.49** IMF2 4.82 >95 21.26 0.32** IMF3 10.60 >95 20.71 0.37** IMF4 26.58 >95 18.31 0.63** RES 13.76 0.46**