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5 二输入变量ELM模型对土壤含水量的模拟效率参数
|
Table 5 Simulation efficiency parameters of ELM model with two input variables for soil water content
|
|
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/% | 3.41 | 3.63 | 3.20 | 3.00 | 4.04 | 3.30 | 2.91 | 2.65 | 4.81 | 4.83 | 4.20 | 4.00 | RMSE/% | 5.45 | 5.94 | 5.18 | 5.00 | 5.54 | 4.82 | 4.00 | 3.57 | 6.69 | 6.34 | 5.56 | 5.66 | R | 0.91 | 0.91 | 0.94 | 0.94 | 0.85 | 0.89 | 0.93 | 0.95 | 0.77 | 0.85 | 0.90 | 0.89 | NSE | 0.83 | 0.82 | 0.86 | 0.87 | 0.72 | 0.79 | 0.86 | 0.89 | 0.60 | 0.69 | 0.76 | 0.75 | 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/% | 3.22 | 2.15 | 1.92 | 1.98 | 3.29 | 4.50 | 4.16 | 3.90 | 2.50 | 2.52 | 2.20 | 2.02 | RMSE/% | 3.15 | 3.53 | 2.71 | 2.60 | 4.68 | 6.70 | 5.70 | 5.50 | 3.40 | 4.13 | 3.53 | 3.09 | R | 0.94 | 0.94 | 0.97 | 0.98 | 0.93 | 0.92 | 0.95 | 0.96 | 0.92 | 0.88 | 0.93 | 0.94 | NSE | 0.88 | 0.87 | 0.92 | 0.93 | 0.86 | 0.79 | 0.84 | 0.85 | 0.84 | 0.77 | 0.84 | 0.87 |
|
|
|