Aerosol column burden* | 3 - high | Cloud sensitive.. Daylight only. | VIS (with narrow bandwidth) and NIR channels including 760 nm for high-level aerosol |
Aerosol effective radius | 3 - high | Cloud sensitive.. Daylight only. | VIS (with narrow bandwidth) and NIR channels including 760 nm for high-level aerosol |
Aerosol mass mixing ratio | 3 - high | Cloud sensitive.. Daylight only. | VIS (with narrow bandwidth) and NIR channels including 760 nm for high-level aerosol |
Aerosol Optical Depth* | 3 - high | Cloud sensitive.. Daylight only. | VIS (with narrow bandwidth) and NIR channels including 760 nm for high-level aerosol |
Aerosol type | 3 - high | Cloud sensitive.. Daylight only. | VIS (with narrow bandwidth) and NIR channels including 760 nm for high-level aerosol |
Biomass | 5 - marginal | Cloud sensitive.. Index only.. Daylight only. | VIS and NIR channels. Biomass inferred from NDVI |
Cloud cover* | 5 - marginal | Daylight only. | VIS and NIR channels |
Cloud optical depth* | 4 - fair | Low-density cloud only.. Daylight only. | VIS and NIR channels |
Cloud top height* | 5 - marginal | Daylight only. | NIR channels to estimate the total-column O2 above the cloud top as measured around 760 nm |
Cloud type* | 5 - marginal | Daylight only. | VIS and NIR channels |
Colour Dissolved Organic Matter (CDOM) | 3 - high | Cloud sensitive.. Daylight only. | A few VIS channels, including broad, narrow, and very narrow ones. Suitable for a few water types, mainly in open ocean |
Downward short-wave irradiance at Earth surface | 5 - marginal | Cloud sensitive.. Highly indirect. | VIS and NIR channels |
Earth surface albedo* | 3 - high | Cloud sensitive. | VIS channel with changing solar incidence angles as daylight progresses |
Fire fractional cover | 5 - marginal | Cloud sensitive.. Coarse spatial resolution.. Daylight only. | VIS channels |
Fraction of Absorbed PAR (FAPAR) | 4 - fair | Cloud sensitive. | VIS channels including Red at 700 nm |
Leaf Area Index (LAI) | 4 - fair | Cloud sensitive.. Daylight only. | VIS and NIR channels. LAI inferred from NDVI |
Normalised Difference Vegetation Index (NDVI) | 3 - high | Cloud sensitive. | VIS and NIR channels |
O3 Total Column | 4 - fair | Cloud sensitive.. Daylight only. | UV channels. Ozone line in the band around 340 nm (Huggins) |
Ocean chlorophyll concentration | 3 - high | Cloud sensitive.. Daylight only. | A few VIS channels, including narrow, and very narrow ones. Suitable for a few water types, mainly in open ocean |
Ocean Diffuse Attenuation Coefficient (DAC) | 3 - high | Cloud sensitive.. Daylight only. | A few VIS channels, including narrow, and very narrow ones. Suitable for a few water types, mainly in open ocean |
Ocean suspended sediments concentration | 3 - high | Cloud sensitive.. Daylight only. | A few VIS channels, including narrow, and very narrow ones. Suitable for a few water types, mainly in open ocean |
Oil spill cover | 5 - marginal | Cloud sensitive.. Daylight only. | VIS channels with narrow bandwidth |
Photosynthetically Active Radiation (PAR) | 4 - fair | Cloud sensitive. | VIS channels, range undersampled |
Sea-ice cover | 5 - marginal | Cloud sensitive.. Daylight only. | VIS and NIR (for contour enhancement) channels |
Short-wave cloud reflectance* | 5 - marginal | No specific limitation. | VIS and NIR channels |
Snow cover | 4 - fair | Cloud sensitive.. Daylight only. | VIS and NIR channels |
Soil moisture at surface | 5 - marginal | Cloud sensitive.. Index only.. Daylight only. | VIS and NIR channels. Soil moisture inferred from differential brightness |
Upward short-wave irradiance at TOA* | 4 - fair | Spectral interpolation needed.. Information on BRDF needed. | UV, VIS and NIR channels |
Aerosol volcanic ash | 3 - high | Cloud sensitive.. Daylight only. | VIS and NIR channels including 760 nm for high-level ashes |
Aerosol volcanic ash Total Column* | 2 - very high | Cloud sensitive.. Daylight only. | UV (specifically sensitive to ash), VIS and NIR channels |