Requirement #822 


For variable: Soil moisture (in the roots region)

In application: Climate Monitoring (GCOS)

Goal Breakthrough Threshold
Uncertainty 0.04 m3 /m3
Stability/decade (if applicable) 0.01 m3 /m3
Horizontal Resolution 1 km 25 km
Vertical Resolution
Observing Cycle 24 h


Validated: 9/30/19 Source: GCOS-200: The Global Observing System for Climate: Implementation Needs (Published 2016)
Comment: Requirements in the GCOS-200 IP, Annex A, are only specified at the goal level. Requirements for stability in the GCOS IP are specified per year. Confidence: reasonable
Def: :Not firm, but based on a strong heritage of experiments with similar data