WMO OSCAR | Details for Variable: Sea-ice cover

Variable: Sea-ice cover

Definition

Full name	Sea-ice cover
Definition	Fraction of an ocean area where ice is present
Measuring Units	%	Uncertainty Units	%
Horizontal Res Units	km	Vertical Res Units
Stability Units	% (Stability /decade)

Comment:
Last modified:	2013-12-03
Applied in OSCAR/Space Gap Analysis:	Yes

Classification

Domain: Ocean
- Sub-domain: Sea Ice
  - Variable: Sea-ice cover
    - Measured in Layers:
      - Sea surface

Cross-cutting themes:
- Cryosphere

Earth System Application Categories and its related Application Areas:
- 2. Atmospheric Applications
- 2. Atmospheric Applications
- 2. Atmospheric Applications
- 2. Atmospheric Applications
Unknown:

Requirements defined for Sea-ice cover (8)

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, threshold orange
Application-dependent Technical Priority (ATP) Magenta and Relative priority of the attributes Red

Id	Variable	Layer	App Area	Uncertainty	Stability / decade	Hor Res	Obs Cyc	Timeliness	Coverage	Conf Level	Val Date	Source	General Comment
7	Sea-ice cover	Sea surface	CLIC (deprecated)	10 % 13 % 20 %		1 km 2.2 km 10 km	1 y 2 y 4 y	30 d 43 d 90 d	Global ocean	tentative	1998-10-29	WCRP
8	Sea-ice cover	Sea surface	CLIC (deprecated)	5 % 7 % 10 %		25 km 39.7 km 100 km	24 h 46 h 7 d	7 d 11 d 30 d	Global ocean	reasonable	1998-10-29	WCRP
202	Sea-ice cover	Sea surface	CLIVAR (deprecated)	2 % 3 % 5 %		15 km 25 km 50 km	24 h 36 h 3 d	3 d 4 d 7 d	Global ocean	reasonable	1998-10-29	WCRP
293	Sea-ice cover	Sea surface	2.1 Global Numerical Weather Prediction and Real-time Monitoring	5 % 10 % 20 %		5 km 15 km 100 km	3 h 24 h 5 d	3 h 24 h 5 d	Global ocean	firm	2009-02-10	John Eyre
371	Sea-ice cover	Sea surface	2.2 High-Resolution Numerical Weather Prediction	5 % 10 % 20 %		5 km 10 km 40 km	60 min 3 h 12 h	60 min 2 h 6 h	Global ocean	reasonable	2011-07-29	JF Mahfouf
445	Sea-ice cover	Sea surface	2.3 Nowcasting / Very Short-Range Forecasting	10 % 13 % 20 %		5 km 10 km 50 km	24 h 3 d 24 d	24 h 2 d 7 d	Global ocean	firm	2013-04-03	P. Ambrosetti
561	Sea-ice cover	Sea surface	Climate-OOPC (deprecated)	5 % 6 % 10 %		12 km 25 km 100 km	24 h 2 d 7 d	3 h 6 h 24 h	Global ocean	firm	2007-07-19	OOPC
846	Sea-ice cover	Sea surface	2.5 Atmospheric Climate Monitoring	5 %	5 %	1 km 15 km	7 d		Global	reasonable	2019-10-15	GCOS-200: The Global Observing System for Climate: Implementation Needs (Published 2016)	Requirements in the GCOS-200 IP, Annex A, are only specified at the goal level.