Biomass | 5 - marginal | Cloud sensitive.. Index only.. Daylight only. | VIS and NIR channels. Biomass inferred from NDVI |
Cloud cover* | 5 - marginal | No specific limitation. | MWIR channel(s) |
Cloud drop effective radius | 3 - high | At cloud top.. Daylight only. | VIS, NIR and MWIR channels (for differentiation) |
Cloud ice effective radius | 3 - high | At cloud top.. Daylight only. | VIS, NIR and MWIR channels (for differentiation) |
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 |
Downward short-wave irradiance at Earth surface | 5 - marginal | Cloud sensitive.. Highly indirect. | VIS and NIR channels |
Earth surface albedo | 5 - marginal | Cloud sensitive. | VIS channels |
Fire fractional cover | 4 - fair | Cloud sensitive.. No specific limitation.. Coarse spatial resolution. | VIS and MWIR channels |
Fire radiative power | 4 - fair | Cloud sensitive.. Coarse spatial resolution. | MWIR channels |
Fire temperature | 4 - fair | Cloud sensitive.. Coarse spatial resolution. | MWIR channels |
Fraction of Absorbed PAR (FAPAR) | 4 - fair | Cloud sensitive. | VIS channels including Red at 700 nm |
Land surface temperature | 4 - fair | Cloud sensitive.. Affected by sunlight. | MWIR window channel(s) (high sensitivity to high temperature, cloud impact reduction) |
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 |
Photosynthetically Active Radiation (PAR) | 4 - fair | Cloud sensitive. | VIS channels, range undersampled |
Sea surface temperature | 4 - fair | Cloud sensitive.. Affected by sunlight. | MWIR window channel(s) around 3.7 micrometers (cloud impact reduction) |
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 | 4 - fair | Cloud sensitive.. Index only. | VIS and MWIR window channels. Soil moisture inferred from thermal inertia |
Upward short-wave irradiance at TOA | 5 - marginal | Spectral interpolation needed.. Information on BRDF needed. | 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 | 3 - high | Cloud sensitive.. Daylight only. | VIS and NIR channels including 760 nm for high-level ashes |
Sea-ice cover | 4 - fair | Cloud sensitive. | VIS, NIR (for contour enhancement) and MWIR channels |