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Requirement #81
Values
For variable:
Cloud cover
In application:
Climate-AOPC (deprecated)
Goal
Breakthrough
Threshold
Uncertainty
10 %
15 %
20 %
Stability/decade (if applicable)
Horizontal Resolution
99 km
100 km
500 km
Vertical Resolution
Observing Cycle
3 h
4 h
6 h
Timeliness
3 h
6 h
12 h
Validated:
7/19/07
Source:
AOPC
Comment:
Accuracies should apply to low and high clouds separately. See Hansen et L. (1995) in T.R. Karl (Ed.) 1995 Long term climate monitoring by the Global Climate Observing System. Kluwer. Also, Climatic Change 31, Nos. 2-4.
Confidence:
firmDef: :Result of impact studies of actual data used in actual applications of numerical or conceptual models
Specifications
Domain: Atmosphere
Subdomain: Clouds and precipitations
Variable: Cloud cover
Applicable (vertical) layers:
Horizontal Coverage: Global