北方典型区域遥感和模型土壤水分产品的对比及评估

黄钰玲,刘凯,王树东,王大成,苑峰,王保林,景文,王伟

Comparison and Assessment of Remote Sensing and Model-based Soil Moisture Products in Typical Regions of North China

Yuling Huang,Kai Liu,Shudong Wang,Dacheng Wang,Feng Yuan,Baolin Wang,Wen Jing,wei Wang

表2 基于观测站点的遥感和模型土壤水分产品的验证结果

Tab.2 The validation results of remote sensing and model-based soil moisture products using in-situ observations

站点 N ubRMSE/（m3/m3) Bias/（m3/m3) R SMOS AMSR-E ESACCI ERA5 Noah CLSM SMOS AMSR- E ESACCI ERA5 Noah CLSM SMOS AMSR-E ESACCI ERA5 Noah CLSM 大兴 32 0.224 0.180 0.050 0.043 0.047 0.041 0.242 -0.014 0.017 0.022 -0.010 0.006 0.137 -0.051 *0.408 *0.460 *0.463 *0.408 馆陶 36 0.228 0.091 0.033 0.032 0.049 0.040 0.351 -0.035 -0.061 -0.005 0.002 0.003 -0.030 0.096 *0.668 *0.756 *0.714 *0.572 密云 29 0.273 0.227 0.065 0.031 0.031 0.035 0.153 -0.024 -0.122 -0.091 -0.115 -0.090 -0.234 -0.130 -0.055 *0. 700 *0.717 *0.621 禹城 28 0.226 0.084 0.067 0.051 0.060 0.061 0.048 -0.136 -0.204 -0.166 -0.196 -0.211 -0.057 0.344 *0.508 *0.769 *0.633 *0.705 关滩 68 0.153 0.074 0.041 0.034 0.039 0.041 0.145 0.116 0.060 0.121 0.072 0.073 0.095 *0.414 *0.291 *0.571 *0.439 *0.434 NST_01 57 0.107 0.070 0.064 0.053 0.062 0.058 -0.175 -0.018 -0.116 -0.006 -0.067 -0.036 0.028 *0.488 *0.457 *0.471 0.235 *0.298 NST_03 57 0.118 0.089 0.060 0.064 0.069 0.068 -0.242 -0.085 -0.183 -0.073 -0.134 -0.103 -0.093 0.242 *0.585 *0.343 0.228 0.166 NST_06 65 0.133 0.095 0.057 0.049 0.054 0.058 -0.024 0.074 -0.050 0.044 -0.005 0.023 0.158 *0.409 *0.529 *0.702 *0.543 *0.633 平均值 0.183 0.114 0.055 0.045 0.051 0.050 0.062 -0.015 -0.082 -0.019 -0.056 -0.042 0.000 0.227 0.424 0.582 0.497 0.480