CROPWAT
Free
FAO's classic tool for crop water requirements and irrigation scheduling from climate and crop data.
5 tools · Topic
Irrigation Design & Scheduling Tools
Irrigation engineering spans crop water requirements, scheduling and conveyance design. Listed here: FAO’s CROPWAT for crop water requirements and scheduling, pyet for reference evapotranspiration in Python, HYDRUS for root-zone water movement, and SSEBop for satellite-based actual ET.
HYDRUS
Freemium
The standard for vadose-zone modelling — variably saturated flow and transport by Richards' equation.
SSEBop
Gov-Public
USGS operational ET at Landsat resolution — 30m actual evapotranspiration for water-rights and irrigation accounting.
WEAP
Freemium
Integrated water resources planning and policy analysis framework for basin-scale supply and demand modeling.
pyet
Open Source
Reference and potential evapotranspiration in Python — 20+ published methods, FAO-56 included, on pandas/xarray.