黄河流域多尺度水系统结构变化特征

杨盼, 梁伟, 严建武, 李思雅, 兰志洋

Multi-scale analysis of water system structure changes in the Yellow River Basin

Pan Yang, Wei Liang, Jianwu Yan, Siya Li, Zhiyang Lan

表2 1998—2018年黄河流域分区尺度水系统要素平均值

Table 2 Average value of water system components in each district of the Yellow River Basin from 1998 to 2018

要素 Ⅰ Ⅱ Ⅲ Ⅳ Ⅴ Ⅵ Ⅶ Ⅷ 降水量/mm 515.06 447.55 280.99 477.24 539.99 620.65 678.05 314.36 蒸散发量/mm 415.24 438.59 229.41 379.72 475.98 556.48 576.53 251.32 径流量/亿m3 192.75 86.38 -113.56 22.39 36.98 29.17 -100.39 0.00 耗水量/亿m3 1.67 25.26 123.56 13.78 78.06 27.54 119.10 3.26 水库蓄变量/亿m3 7.73 0.81 0.08 0.19 0.35 3.64 0.10 0.00