1766-2000年黄河上中游汛期径流量波动特征及其与PDO关系
潘威,郑景云,满志敏

Reconstruction of runoffs over Upper-Middle Reaches of Yellow River and its relationship between PDO since AD 1766
PAN Wei,ZHENG Jingyun,MAN Zhimin
图6 黄河中上游小波分析显示的周期特征
Fig. 6 The cycling by Wavelet analysis (a: The runoffs of 4 stations since 1766, A1: Tangnaihai, A2: Lanzhou, A3: Qingtongxia Gorge, A4: Sanmenxia Gorge; b: PDO; c: The runoffs of 2 stations during 1950-2010 by Liu, C1: Lanzhou, C1: Toudaoguai)