ETa estimates the actual water evaporated from the soil and transpired by the vegetation at all stages of crop development and all levels of crop stress. (FAO 1998)
Each nationally relevant crop type, accounting for ~80% of total area under production, all irrigated crops or water managed crops
Application or Policy Supported | Related Variables | Frequency of Update | Spatial Unit |
---|---|---|---|
SDG 6.4, drought, climate adaptation, irrigation management |
Water Productivity Land Surface Temperature Non-Perennial Crop Type Map, Perennial Crop Type Map, Crop Condition Assessment, Current Crop Stage,, Albedo |
Daily - monthly, within each season |
Field / administrative unit |