BackForward Variable: Water-leaving spectral radiance

Definition
Full name Water-leaving spectral radiance
Definition Upward spectral radiance from the ocean surface, i.e. amount of light leaving the ocean per unit area, per wavelength and per solid angle.
Measuring Units W .m-2 . sr-1 .nm-1 Uncertainty Units %
Horizontal Res Units Vertical Res Units
Stability Units (Stability /decade)

 

Comment: Basic measurement for monitoring the ocean colour, which can inform on ocean plankton concentration
Last modified: 2019-10-15
Applied in OSCAR/Space Gap Analysis: No
Classification
  • Domain: Ocean
    • Sub-domain: Ocean
      • Variable: Water-leaving spectral radiance
        • Measured in Layers:
          • Sea surface
  • Cross-cutting themes:

Requirements defined for Water-leaving spectral radiance  (2)

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 ATP Uncertainty Layer/s Quality Coverage Quality Stability / decade Hor Res Ver Res Obs Cyc Timeliness Coverage Conf Level Val Date Source General Comment Application Area Comment Horizontal Coverage Comment Observation Comment Performance Comment
853 Water-leaving spectral radiance Sea surface 2.5 Atmospheric Climate Monitoring 5 % 4  24 h 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.
1067 Water-leaving spectral radiance 3.3 Oceanic Climate Monitoring and Services 0.5 5 %
5 % 		0.5 
0.5  		4 
4  		24 h
24 h 		Global reasonable 2024-02-09 GCOS-245: The 2022 ECVs Requirements (GCOS-245) Definition in GCOS-245: Ocean colour is the radiance emanating from the ocean normalized by the irradiance illuminating the ocean. Products derived from ocean colour remote sensing (OCRS) contain information on the ocean albedo and information on the constituents of the seawater, in particular, phytoplankton pigments such as chlorophyll-a.