青藏高原多年冻土区不同海拔土壤含水量对气候变化的响应
|
张方园, 常娟, 刘健, 孙文军
|
Response of soil water content at different altitudes to climate change in the permafrost region of the Qinghai-Tibet Plateau: an ELM model analysis
|
Fangyuan ZHANG, Juan CHANG, Jian LIU, Wenjun SUN
|
|
表4 以SM-7为输入变量ELM模型对土壤含水量的模拟效率参数
|
Table 4 Simulation efficiency parameters of soil water content by ELM model with SM-7 as the input variable
|
|
统计参数 | 坡上20 cm | 坡上40 cm | 坡上65 cm |
---|
训练期 | SM+1 | SM+7 | SM+14 | 训练期 | SM+1 | SM+7 | SM+14 | 训练期 | SM+1 | SM+7 | SM+14 |
---|
MAE/% | 2.54 | 2.76 | 2.80 | 3.43 | 2.60 | 2.55 | 2.48 | 2.93 | 2.29 | 1.81 | 2.19 | 2.93 | RMSE/% | 3.86 | 4.27 | 4.25 | 5.54 | 3.90 | 3.72 | 3.71 | 4.49 | 3.58 | 3.00 | 4.04 | 5.97 | R | 0.96 | 0.96 | 0.96 | 0.92 | 0.93 | 0.94 | 0.94 | 0.91 | 0.94 | 0.98 | 0.94 | 0.86 | NSE | 0.91 | 0.91 | 0.91 | 0.84 | 0.86 | 0.88 | 0.88 | 0.82 | 0.88 | 0.93 | 0.88 | 0.73 | 统计参数 | 坡下20 cm | 坡下40 cm | 坡下65 cm | 训练期 | SM+1 | SM+7 | SM+14 | 训练期 | SM+1 | SM+7 | SM+14 | 训练期 | SM+1 | SM+7 | SM+14 | MAE/% | 1.47 | 2.09 | 2.00 | 2.41 | 2.56 | 3.93 | 3.53 | 3.94 | 2.09 | 2.14 | 2.03 | 2.15 | RMSE/% | 2.31 | 2.95 | 2.55 | 3.27 | 3.65 | 5.54 | 5.01 | 5.70 | 3.03 | 3.18 | 2.97 | 3.20 | R | 0.97 | 0.97 | 0.98 | 0.96 | 0.96 | 0.95 | 0.96 | 0.94 | 0.94 | 0.93 | 0.94 | 0.93 | NSE | 0.94 | 0.91 | 0.93 | 0.89 | 0.91 | 0.85 | 0.88 | 0.85 | 0.87 | 0.86 | 0.88 | 0.86 |
|
|
|