Variable: Soil moisture at surface

Definition
Full name Soil moisture at surface
Definition Fractional content of water in a volume of wet soil. Surface layer (upper few centimetres)
Measuring Units m3 /m3 Uncertainty Units m3 /m3
Horizontal Res Units km Vertical Res Units
Stability Units m^3 /m^3 (Stability /decade)

 

Comment:
Last modified:
Classification
  • Domain: Terrestrial
    • Sub-domain: Land surface
      • Variable: Soil moisture at surface
        • Measured in Layers:
          • Land surface
  • Cross-cutting themes:

Requirements defined for Soil moisture at surface  (10)

This tables shows all related requirements. For more operations/filtering, please consult the full list of Requirements
Note: In reading the values, goal is marked blue, breakthrough green and threshold orange

Id Variable Layer App Area Uncertainty Stability / decade Hor Res Ver Res Obs Cyc Timeliness Coverage Conf Level Val Date Source
49 Soil moisture at surface Land surface Agricultural Meteorology 0.01 m3 /m3
0.017 m3 /m3
0.05 m3 /m3
0.1 km
0.215 km
1 km
24 h
46 h
7 d
24 h
41 h
5 d
Global land reasonable 2003-10-20 ET ODRRGOS
301 Soil moisture at surface Land surface Global NWP 0.02 m3 /m3
0.04 m3 /m3
0.08 m3 /m3
5 km
15 km
100 km
3 h
24 h
5 d
3 h
24 h
5 d
Global land reasonable 2013-01-22 Erik Andersson
377 Soil moisture at surface Land surface High Res NWP 0.02 m3 /m3
0.04 m3 /m3
0.08 m3 /m3
1 km
5 km
40 km
60 min
3 h
6 h
30 min
60 min
6 h
Global land reasonable 2011-07-29 JF Mahfouf
407 Soil moisture at surface Land surface Hydrology 0.01 m3 /m3
0.017 m3 /m3
0.05 m3 /m3
0.01 km
0.3 km
250 km
24 h
34 h
3 d
24 h
5 d
144 d
Global land reasonable 2003-10-20 ET ODRRGOS
447 Soil moisture at surface Land surface Nowcasting / VSRF 0.01 m3 /m3
0.02 m3 /m3
0.05 m3 /m3
5 km
10 km
50 km
60 min
6 h
24 h
60 min
6 h
24 h
Global land reasonable 2013-04-03 P. Ambrosetti
574 Soil moisture at surface Land surface SIAF (deprecated) 0.01 m3 /m3
0.02 m3 /m3
0.05 m3 /m3
50 km
100 km
500 km
24 h
2 d
7 d
24 h
2 d
7 d
Global land reasonable 2009-01-19 Laura Ferranti
759 Soil moisture at surface SSLP 0.01 m3 /m3
0.02 m3 /m3
0.05 m3 /m3
50 km
100 km
500 km
24 h
2 d
7 d
24 h
2 d
7 d
Global land reasonable 2009-01-19 Laura Ferranti
823 Soil moisture at surface Land surface Climate Monitoring (GCOS) 0.04 m3 /m3 1 km
25 km
24 h Global reasonable 2019-09-30 GCOS-200: The Global Observing System for Climate: Implementation Needs (Published 2016)
222 Soil moisture at surface Land surface GEWEX (deprecated) 0.01 m3 /m3
0.02 m3 /m3
0.05 m3 /m3
15 km
50 km
250 km
24 h
3 d
10 d
10 d
15 d
30 d
Global land tentative 1998-10-29 WCRP
678 Soil moisture at surface Land surface Climate-TOPC (deprecated) 0.005 m3 /m3
0.007 m3 /m3
0.01 m3 /m3
50 km
60 km
100 km
7 d
11 d
30 d
360 d
1 y
2 y
Global land speculative 2007-07-19 TOPC