Validation Results

Summary: CCI v5_2 2001 incl filters ISMN no filter - ALL

  • Started validation on Sept. 22, 2020, 2:04 p.m. UTC, finished on Sept. 22, 2020, 2:16 p.m. UTC.
  • Compared 2 datasets:
    • Dataset 1: ESA CCI SM combined (v05.2, sm) [Filters: Not freezing and no snow-cover (flag != 1); No dense vegetation (flag != 2); Variable in valid geophysical range; Data with no inconsistencies detected (flag = 0); ]
    • Reference: ISMN (20191211 global, soil_moisture) [Filters: none ]
  • Validated globally.
  • Validation period / temporal filter: Jan. 1, 2001, midnight UTC to Sept. 17, 2020, 11:59 p.m. UTC.
  • Validation metrics calculated from absolute values.
  • Triple collocation analysis was deactivated.
  • Scaling reference: ISMN (20191211 global, soil_moisture) [Filters: none ]
  • Scaling method: Mean/standard deviation.
  • Processing took 12 minutes (wall time).
  • 0% (0 of 2869) of the processed locations (grid points) produced errors during calculation.
  • This result was published on zenodo with DOI 10.5281/zenodo.4288919.

Summary statistics

The mean, median and standard deviation are calculated on the validation results aggregated by metric and dataset. The reference dataset used is ISMN (20191211 global, soil_moisture).

Metric Mean Median IQ range Dataset
# observations 1.18e+03 922. 1.47e+03 All datasets
Bias (difference of means) [m³/m³] ~ 0 ~ 0 ~ 0 1-ESA_CCI_SM_combined (v05.2)
Mean square error [(m³/m³)²] 1.38e+03 4.55e-03 6.54e-03 1-ESA_CCI_SM_combined (v05.2)
Mean square error bias [(m³/m³)²] ~ 0 ~ 0 ~ 0 1-ESA_CCI_SM_combined (v05.2)
Mean square error correlation [(m³/m³)²] 1.38e+03 4.55e-03 6.54e-03 1-ESA_CCI_SM_combined (v05.2)
Mean square error variance [(m³/m³)²] ~ 0 ~ 0 ~ 0 1-ESA_CCI_SM_combined (v05.2)
Pearson's r [-] 0.46 0.49 0.35 1-ESA_CCI_SM_combined (v05.2)
Pearson's r p-value [-] 3.89e-02 ~ 0 ~ 0 1-ESA_CCI_SM_combined (v05.2)
Residual sum of squares [(m³/m³)²] 1.64e+06 3.86 11.44 1-ESA_CCI_SM_combined (v05.2)
Root-mean-square deviation [m³/m³] 2.98 6.74e-02 4.58e-02 1-ESA_CCI_SM_combined (v05.2)
Spearman's rho [-] 0.47 0.50 0.34 1-ESA_CCI_SM_combined (v05.2)
Spearman's rho p-value [-] 3.41e-02 ~ 0 ~ 0 1-ESA_CCI_SM_combined (v05.2)
Unbiased root-mean-square deviation [m³/m³] 2.98 6.74e-02 4.57e-02 1-ESA_CCI_SM_combined (v05.2)

Result files

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