Table 8:
Comparison between the 6:00 pm ascending L2_SM_P_E and in situ soil moisture observations over sparse networks between April 2015 and October 2016.
ubRMSE (m3/m3) | Bias (m3/m3) | RMSE (m3/m3) | Correlation (R) | N | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SCA-H | SCA-V | DCA | SMOS | SCA-H | SCA-V | DCA | SMOS | SCA-H | SCA-V | DCA | SMOS | SCA-H | SCA-V | DCA | SMOS | ||
Evergreen Needleleaf Forest | 0.047 | 0.046 | 0.067 | 0.050 | −0.057 | 0.006 | 0.115 | −0.095 | 0.074 | 0.047 | 0.133 | 0.107 | 0.442 | 0.461 | 0.429 | 0.585 | 1 |
Mixed Forest | 0.057 | 0.053 | 0.051 | 0.056 | −0.040 | −0.011 | 0.029 | −0.047 | 0.070 | 0.054 | 0.059 | 0.073 | 0.687 | 0.740 | 0.771 | 0.753 | 1 |
Open Shrublands | 0.040 | 0.042 | 0.053 | 0.057 | −0.051 | −0.022 | 0.009 | −0.005 | 0.070 | 0.058 | 0.067 | 0.071 | 0.485 | 0.468 | 0.441 | 0.421 | 39 |
Woody Savannas | 0.051 | 0.047 | 0.058 | 0.080 | −0.012 | 0.015 | 0.053 | −0.045 | 0.086 | 0.079 | 0.098 | 0.114 | 0.745 | 0.750 | 0.625 | 0.584 | 16 |
Savannas | 0.033 | 0.035 | 0.040 | 0.047 | −0.043 | −0.034 | −0.029 | −0.023 | 0.063 | 0.058 | 0.058 | 0.073 | 0.890 | 0.871 | 0.861 | 0.841 | 3 |
Grasslands | 0.051 | 0.051 | 0.059 | 0.062 | −0.079 | −0.053 | −0.020 | −0.043 | 0.101 | 0.085 | 0.082 | 0.088 | 0.663 | 0.667 | 0.632 | 0.609 | 224 |
Croplands | 0.075 | 0.065 | 0.070 | 0.076 | −0.037 | −0.037 | −0.030 | −0.047 | 0.117 | 0.103 | 0.100 | 0.111 | 0.579 | 0.610 | 0.560 | 0.547 | 54 |
Cropland / Natural Vegetation Mosaic | 0.061 | 0.055 | 0.065 | 0.079 | −0.033 | −0.017 | 0.009 | −0.112 | 0.089 | 0.083 | 0.093 | 0.160 | 0.723 | 0.761 | 0.659 | 0.544 | 20 |
Barren or Sparsely Vegetated | 0.019 | 0.022 | 0.031 | 0.036 | −0.022 | −0.005 | 0.018 | 0.004 | 0.038 | 0.035 | 0.045 | 0.045 | 0.577 | 0.516 | 0.443 | 0.453 | 6 |
L2_SM_P_E averaged over IGBP classes | 0.053 | 0.051 | 0.059 | 0.065 | −0.063 | −0.041 | −0.012 | −0.043 | 0.097 | 0.083 | 0.084 | 0.094 | 0.639 | 0.645 | 0.601 | 0.575 | 364 |
L2_SM_P averaged over IGBP classes | 0.053 | 0.051 | 0.059 | 0.065 | −0.063 | −0.043 | −0.016 | −0.043 | 0.097 | 0.083 | 0.084 | 0.095 | 0.618 | 0.629 | 0.595 | 0.578 | 394 |