Aerosol column burden* | 3 - high | Cloud sensitive.. Daylight only.. Along-track only. | VIS (with narrow bandwidth) and NIR channels including 760 nm for high-level aerosol |
Aerosol effective radius* | 3 - high | Daylight only.. Along-track only.. Cloud sensitive. | VIS (with narrow bandwidth) and NIR channels including 760 nm for high-level aerosol |
Aerosol mass mixing ratio | 3 - high | Cloud sensitive.. Daylight only.. Along-track only. | VIS (with narrow bandwidth) and NIR channels including 760 nm for high-level aerosol |
Aerosol Optical Depth* | 3 - high | Cloud sensitive.. Daylight only.. Along-track only. | VIS (with narrow bandwidth) and NIR channels including 760 nm for high-level aerosol |
Biomass* | 5 - marginal | Cloud sensitive.. Index only.. Along-track only.. Daylight only. | VIS and NIR channels. Biomass inferred from NDVI |
Cloud cover* | 5 - marginal | Daylight only.. Along-track only. | VIS and NIR channels |
Cloud optical depth | 4 - fair | Low-density cloud only.. Daylight only.. Along-track only. | VIS and NIR channels |
Cloud top height* | 5 - marginal | Daylight only.. Along-track only. | NIR channels to estimate the total-column O2 above the cloud top as measured around 760 nm |
Cloud type | 5 - marginal | Daylight only.. Along-track only. | VIS and NIR channels |
Colour Dissolved Organic Matter (CDOM)* | 1 - primary | Cloud sensitive.. Daylight only.. Along-track only. | Many narrow-bandwidth VIS channels, suitable for more water types, in open ocean and coastal zone |
Downward short-wave irradiance at Earth surface | 5 - marginal | Cloud sensitive.. Highly indirect.. Along-track only. | VIS and NIR channels |
Earth surface albedo* | 5 - marginal | Cloud sensitive.. Along-track only. | VIS channels |
Fire fractional cover | 5 - marginal | Cloud sensitive.. Coarse spatial resolution.. Daylight only.. Along-track only. | VIS channels |
Fraction of Absorbed PAR (FAPAR)* | 3 - high | Cloud sensitive.. Along-track only. | VIS channels including Red at 700 nm |
Leaf Area Index (LAI)* | 4 - fair | Cloud sensitive.. Daylight only.. Along-track only. | VIS and NIR channels. LAI inferred from NDVI |
Normalised Difference Vegetation Index (NDVI)* | 3 - high | Cloud sensitive.. Along-track only. | VIS and NIR channels |
Ocean chlorophyll concentration * | 1 - primary | Cloud sensitive.. Daylight only.. Along-track only. | Many narrow-bandwidth VIS channels, suitable for more water types, in open ocean and coastal zone |
Ocean Diffuse Attenuation Coefficient (DAC)* | 1 - primary | Cloud sensitive.. Daylight only.. Along-track only. | Many narrow-bandwidth VIS channels, suitable for more water types, in open ocean and coastal zone |
Ocean suspended sediments concentration* | 1 - primary | Cloud sensitive.. Daylight only.. Along-track only. | Many narrow-bandwidth VIS channels, suitable for more water types, in open ocean and coastal zone |
Oil spill cover* | 5 - marginal | Cloud sensitive.. Daylight only.. Along-track only. | VIS channels with narrow bandwidth |
Photosynthetically Active Radiation (PAR)* | 3 - high | Cloud sensitive.. Along-track only. | VIS channels, range accurately sampled |
Short-wave cloud reflectance | 5 - marginal | Along-track only. | VIS and NIR channels |
Snow cover | 4 - fair | Cloud sensitive.. Daylight only.. Along-track only. | VIS and NIR channels |
Soil moisture at surface | 5 - marginal | Cloud sensitive.. Index only.. Daylight only.. Along-track only. | VIS and NIR channels. Soil moisture inferred from differential brightness |
Upward short-wave irradiance at TOA | 5 - marginal | Spectral interpolation needed.. Information on BRDF needed.. Along-track only. | VIS and NIR channels |
Aerosol volcanic ash | 3 - high | Cloud sensitive.. Daylight only.. Along-track only. | VIS and NIR channels including 760 nm for high-level ashes |
Aerosol volcanic ash Total Column | 3 - high | Cloud sensitive.. Daylight only.. Along-track only. | VIS and NIR channels including 760 nm for high-level ashes |
Sea-ice cover | 5 - marginal | Cloud sensitive.. Daylight only.. Along-track only. | VIS and NIR (for contour enhancement) channels |