ECV Products and Requirements for Albedo
These products and requirements reflect the Implementation Plan 2016 (GCOS-200). GCOS is reviewing and will update the requirements until 2022. More information on: gcos.wmo.int.
| PRODUCT | DEFINITION | FREQUENCY | RESOLUTION | REQUIRED MEASUREMENT UNCERTAINTY | STABILITY | STANDARDS/ REFERENCES |
| Maps of directional hemispherical reflectance (DHR) albedo for adaptation | Albedo without diffuse irradiance component. | Daily | 50m | max(5%; 0.0025) | max(1%; 0.001) | |
| Maps of bi-hemispherical reflectance (BHR) albedo for adaptation | Albedo with isotropic illumination only (white-sky) | 50m | max(5%; 0.0025) | max(1%; 0.001) | ||
| Maps of DHR albedo for modelling | Albedo without diffuse irradiance component. | Daily | 200/500m | max(5%; 0.0025) | max(1%; 0.001) | |
| Maps of BHR albedo for modelling | Albedo with isotropic illumination only (white-sky) | 200/500m | max(5%; 0.0025) | max(1%; 0.001) |
