Biomass | 4 - fair | Cloud sensitive.. Index only.. Infrequent coverage.. Daylight only. | VIS, NIR and SWIR channels. Biomass inferred from NDVI and LAI |
Cloud cover | 2 - very high | Infrequent coverage. | Channels in VIS, NIR, SWIR and the TIR window around 11 micrometers |
Cloud optical depth | 3 - high | Low-density cloud only.. Infrequent coverage.. Daylight only. | VIS, NIR and SWIR channels |
Cloud top height | 3 - high | Infrequent coverage. | TIR channels in the 11 micrometers window and the water vapour band around 6.3 micrometers (for emissivity) to estimate cloud top height from its temperature |
Cloud top temperature | 2 - very high | Infrequent coverage. | TIR channels in the window around 11 micrometers and the water vapour band around 6.3 micrometers (for emissivity) to estimate cloud top height from its temperature |
Cloud type | 2 - very high | Infrequent coverage. | Channels in VIS, NIR, SWIR and the TIR window around 11 micrometers |
Fire fractional cover | 1 - primary | Cloud sensitive.. Infrequent coverage. | VIS and TIR channels |
Fire radiative power | 5 - marginal | Cloud sensitive.. Infrequent coverage. | TIR window channel(s) around 11 micrometers |
Fire temperature | 5 - marginal | Cloud sensitive.. Infrequent coverage. | TIR window channel(s) around 11 micrometers |
Fraction of vegetated land* | 1 - primary | Cloud sensitive.. Daylight only. | VIS, NIR and SWIR channels |
Glacier cover | 3 - high | Cloud sensitive.. Long time for mapping.. Daylight only. | VIS, NIR and SWIR channels, screening ice from clouds |
Land cover* | 1 - primary | Cloud sensitive.. Daylight only. | VIS, NIR and SWIR channels |
Land surface temperature | 4 - fair | Cloud sensitive.. Infrequent coverage. | TIR split window channels around 11 micrometers for water vapour correction |
Leaf Area Index (LAI) | 2 - very high | Cloud sensitive.. Daylight only.. Infrequent coverage. | VIS, NIR and SWIR channels |
Normalised Difference Vegetation Index (NDVI) | 2 - very high | Cloud sensitive.. Infrequent coverage. | VIS and NIR channels |
Photosynthetically Active Radiation (PAR)* | 5 - marginal | Cloud sensitive.. Infrequent coverage. | VIS channels, range undersampled |
Sea surface temperature | 4 - fair | Cloud sensitive.. Infrequent coverage. | TIR split window channels for water vapour correction |
Short-wave cloud reflectance | 4 - fair | Infrequent coverage. | VIS, NIR and SWIR channels. Unsuitable dynamic range (saturation) |
Snow cover | 1 - primary | Cloud sensitive.. Infrequent coverage.. Daylight only. | VIS, NIR and SWIR channels, enabling screening snow from clouds |
Soil moisture at surface | 4 - fair | Cloud sensitive.. Index only.. Infrequent coverage. | VIS and TIR window channels. Soil moisture inferred from thermal inertia |
Soil type* | 1 - primary | Cloud sensitive.. Daylight only. | VIS, NIR and SWIR channels |
Specific humidity | 3 - high | Cloud sensitive.. Coarse vertical resolution.. Middle troposphere only.. Infrequent coverage. | TIR channels in the water vapour band around 6.3 micrometers |
Integrated Water Vapour (IWV)* | 2 - very high | Cloud sensitive.. Infrequent coverage. | NIR and TIR channels around 940 nm, 6.3 micrometers and in the 11 micrometers split window |
Upward short-wave irradiance at TOA | 5 - marginal | Spectral interpolation needed.. Information on BRDF needed.. Infrequent coverage. | VIS, NIR and SWIR channels |
Vegetation type* | 2 - very high | Cloud sensitive.. Daylight only. | VIS, NIR and SWIR channels |
Aerosol volcanic ash | 5 - marginal | Cloud sensitive.. Infrequent coverage.. Daylight only. | VIS, NIR and SWIR channels |
Aerosol volcanic ash Total Column | 5 - marginal | Cloud sensitive.. Infrequent coverage.. Daylight only. | VIS, NIR and SWIR channels |
Sea-ice cover | 2 - very high | Cloud sensitive. | VIS, NIR (for contour enhancement), SWIR (for discrimination from clouds) and TIR channels |