GroundBuck is a bucket-cascade groundwater model driven by earth observations. Its purpose is to model groundwater conditions and groundwater management options in irrigated watersheds without utilizing a complex groundwater flow model. The model is especially of use in data scarce environments as most information is retrieved from earth observations.

GroundBuck describes the response of ground water systems to changes/alterations in:

• climatic conditions (wet and dry years);
• land use patterns;
• artificial extraction by irrigation, drinking water and industrial purposes; and
• artificial recharge through, for instance, blockades of streamflow.