基于GRACE的华北平原地下水储量时空变化分析

束秋妍, 潘云, 宫辉力, 黄志勇, 郑龙群

Spatiotemporal analysis of GRACE-based groundwater storage variation in North China Plain

Qiuyan SHU, Yun PAN, Huili GONG, Zhiyong HUANG, Longqun ZHENG

表2 华北平原地下水储量变化EOF分解后前5个模态累积方差贡献率

Tab.2 Accumulated variance contribution rate of the first 5 EOF models of GWS in North China Plain (%)

参数 EOF模态 1 2 3 4 5 方差贡献率 79.93 11.76 4.66 1.68 0.81 累计 79.93 91.69 96.35 98.03 98.84