BackForward Variable: Snow cover

Definition
Full name Snow cover
Definition Fraction of a given area which is covered by snow
Measuring Units % Uncertainty Units %
Horizontal Res Units km Vertical Res Units
Stability Units % (Stability /decade)

 

Comment:
Last modified: 2014-12-18
Applied in OSCAR/Space Gap Analysis: Yes
Classification
  • Domain: Terrestrial
    • Sub-domain: Land surface
      • Variable: Snow cover
        • Measured in Layers:
          • Land surface

Requirements defined for Snow cover  (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
108 Snow cover Land surface Climate-AOPC (deprecated) 10 %
13 %
20 % 		100 km
200 km
500 km 		24 h
2 d
7 d 		6 h
12 h
24 h 		Global land firm 2007-07-19 AOPC
299 Snow cover Land surface Global NWP 10 %
20 %
50 % 		5 km
15 km
100 km 		3 h
24 h
5 d 		3 h
24 h
5 d 		Global land firm 2009-02-10 John Eyre
677 Snow cover Land surface Climate-TOPC (deprecated) 5 %
7 %
10 % 		0.1 km
0.45 km
10 km 		24 h
3 d
30 d 		30 h
3 d
15 d 		Global land firm 2007-07-19 TOPC
12 Snow cover Land surface CLIC (deprecated) 10 %
13 %
20 % 		1 km
2.9 km
25 km 		24 h
41 h
5 d 		7 d
11 d
30 d 		Global land reasonable 1998-10-29 WCRP
47 Snow cover Land surface Agricultural Meteorology 2 %
4 %
10 % 		1 km
2.2 km
10 km 		5 d
6 d
7 d 		24 h
44 h
6 d 		Global land reasonable 2003-10-20 ET ODRRGOS
220 Snow cover Land surface GEWEX (deprecated) 10 %
20 %
50 % 		15 km
50 km
250 km 		24 h
2 d
7 d 		30 d
45 d
90 d 		Global land reasonable 1998-10-29 WCRP
375 Snow cover Land surface High Res NWP 5 %
15 %
20 % 		1 km
5 km
20 km 		60 min
3 h
12 h 		60 min
3 h
12 h 		Global land reasonable 2010-02-01 JF Mahfouf
404 Snow cover Land surface Hydrology 5 %
8 %
20 % 		0.1 km
1 km
100 km 		24 h
46 h
7 d 		24 h
44 h
6 d 		Global land reasonable 2003-10-20 ET ODRRGOS
446 Snow cover Land surface Nowcasting / VSRF 10 %
13 %
20 % 		5 km
10 km
50 km 		60 min
6 h
24 h 		60 min
2 h
6 h 		Global land reasonable 2013-04-03 P. Ambrosetti
824 Snow cover Land surface Climate Monitoring (GCOS) 5 % 4 % 0.1 km
1 km 		24 h Global reasonable 2019-09-30 GCOS-200: The Global Observing System for Climate: Implementation Needs (Published 2016)