Validation Results

Summary: MENA_ERA5_CCIv05.2COMBINED

  • Started validation on Feb. 18, 2021, 3:54 p.m. UTC, finished on Feb. 18, 2021, 5:18 p.m. UTC.
  • Compared 2 datasets:
    • Dataset 1: ESA CCI SM combined (v05.2, sm) [Filters: Variable in valid geophysical range; ]
    • Reference: ERA5 (v20190613, swvl1) [Filters: Soil not frozen; ]
  • Spatial filter bounding box: [0.00383346981912419, -20.0390625, 43.0903543370726, 55.1953125].
  • Validation period / temporal filter: Jan. 1, 1998, midnight UTC to Dec. 31, 2017, 11:59 p.m. UTC.
  • Validation metrics calculated from absolute values.
  • Triple collocation analysis was deactivated.
  • Scaling reference: ERA5 (v20190613, swvl1) [Filters: Soil not frozen; ]
  • Scaling method: Mean/standard deviation.
  • Processing took 84 minutes (wall time).
  • 0% (0 of 37004) of the processed locations (grid points) produced errors during calculation.
  • This result was published on zenodo with DOI 10.5281/zenodo.4549416.

Summary statistics

The mean, median and standard deviation are calculated on the validation results aggregated by metric and dataset. The reference dataset used is ERA5 (v20190613, swvl1).

Metric Mean Median IQ range Dataset
# observations 4048.1 4275.0 1173.0 All datasets
Bias (difference of means) [m³/m³] 1.31e-10 0.e+00 1.86e-09 1-ESA_CCI_SM_combined (v05.2)
Pearson's r [-] 5.43e-01 5.60e-01 3.52e-01 1-ESA_CCI_SM_combined (v05.2)
Root-mean-square deviation [m³/m³] 3.65e-02 3.53e-02 4.01e-02 1-ESA_CCI_SM_combined (v05.2)
Residual sum of squares [(m³/m³)²] 7.81e+00 4.75e+00 1.17e+01 1-ESA_CCI_SM_combined (v05.2)
Mean square error [(m³/m³)²] 1.9e-03 1.25e-03 2.80e-03 1-ESA_CCI_SM_combined (v05.2)
Mean square error bias [(m³/m³)²] 1.19e-16 8.67e-19 3.12e-17 1-ESA_CCI_SM_combined (v05.2)
Mean square error correlation [(m³/m³)²] 1.9e-03 1.25e-03 2.80e-03 1-ESA_CCI_SM_combined (v05.2)
Mean square error variance [(m³/m³)²] 7.15e-18 0.e+00 8.67e-19 1-ESA_CCI_SM_combined (v05.2)
Pearson's r p-value [-] 6.46e-03 0.e+00 0.e+00 1-ESA_CCI_SM_combined (v05.2)
Spearman's rho p-value [-] 3.13e-02 0.e+00 4.41e-28 1-ESA_CCI_SM_combined (v05.2)
Spearman's rho [-] 4.51e-01 4.86e-01 5.41e-01 1-ESA_CCI_SM_combined (v05.2)
Unbiased root-mean-square deviation [m³/m³] 3.65e-02 3.53e-02 4.01e-02 1-ESA_CCI_SM_combined (v05.2)

Result files

#
Description goes here
#
Description goes here