流域土壤有效厚度水平衡验证及其对陆面水碳通量模拟的影响

黄日超, 陈喜, 孙一萌, 高满, 程勤波, 张永生

Validation of watershed soil effective depth based on water balance and its effect on simulation of land surface water-carbon flux

Richao HUANG, Xi CHEN, Yimeng SUN, Man GAO, Qinbo CHENG, Yongsheng ZHANG

表2 有效土壤厚度、蓄水容量率定结果及模拟与实测径流误差统计

Tab. 2 The calibration result of effective thickness, soil water storage capacity and statistical error of simulated and measured runoff

流域 泾河 淮河 东江 修正前 修正后 修正前 修正后 修正前 修正后 d1/d2 (cm) 50/100 60/80 50/100 60/30 50/100 40/30 WM (cm) 流域均值 22.1 20.6 22.1 13.2 20.4 9.5 变化范围 19.1~22.5 17.8~21.0 16.5~22.5 9.9~13.5 18.0~22.5 8.4~10.5 ER (%) 10.0 0.1 3.0 0.1 4.8 0.6 ENS (%) 45.9 47.3 53.8 54.6 60.9 58.0