基于BP神经网络和FEFLOW模型模拟预测多年冻土活动层温度
郭林茂, 常娟, 徐洪亮, 叶仁政

Simulation and prediction of permafrost active layer temperature based on BP neural network and FEFLOW model: take the Fenghuoshan area on the Tibetan Plateau as an example
Linmao GUO, Juan CHANG, Hongliang XU, Renzheng YE
表5 三种升温情景下50年后各深度土壤冻融过程变化特征
Table 5 Characteristics of soil freeze-thaw process at different depths after 50 years under the three warming scenarios
升温速率/(℃·a-1土壤深度/cm完全冻结历时缩短时间/d开始融化提前时间/d开始冻结延迟时间/d
0.021017116
801183
160752
0.04810322210
8027198
16021156
0.0710463214
80463016
160412516