一种基于频率的GCM日降水偏差校正方法改进及其在长江流域的应用

岳书旭, 胡实, 莫兴国, 占车生, 刘苏峡

Improved frequency-dependent bias correction method for GCM daily precipitation and its application in Yangtze River Basin

YUE Shuxu, HU Shi, MO Xingguo, ZHAN Chesheng, LIU Suxia

图3 长江流域观测与多模式平均的年降水量及降水频率在训练期（1961—1985年）的空间分布及训练期-验证期（1986—2005年）的变化

Fig. 3 Spatial distribution of the observed and ensemble averaged annual precipitation and wet-day frequency over Yangtze River Basin during training period (1961-1985) and its relative change from training period to validation period (1986-2005)