WEAP

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title: "WEAP" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["integrated-hydrologic-modelling", "hydrology", "hydrology-models", "environmental-engineering", "physical-geography", "scientific-simulation-software"] description: "Water resource modelling software" topic_path: "science/earth-science" source: "https://en.wikipedia.org/wiki/WEAP" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Water resource modelling software ::

::figure[src="https://upload.wikimedia.org/wikipedia/commons/d/d2/WEAPLogo.png" caption="WEAP's logo"] ::

WEAP (the Water Evaluation and Adaptation Planning system) is a model-building tool for water resource planning and policy analysis that is distributed at no charge to non-profit, academic, and governmental organizations in developing countries.

WEAP is used to create simulations of water demand, supply, runoff, evapotranspiration, water allocation, infiltration, crop irrigation requirements, instream flow requirements, ecosystem services, groundwater and surface storage, reservoir operations, pollution generation, treatment, discharge, and instream water quality. The simulations can be created under scenarios of varying policy, hydrology, climate, land use, technology, and socio-economic factors. WEAP links to the USGS MODFLOW groundwater flow model and the US EPA QUAL2K surface water quality model.

WEAP was created in 1988 and continues to be developed and supported by the U.S. center of the Stockholm Environment Institute, a non-profit research institute based at Tufts University in Somerville, Massachusetts. It is used for climate change vulnerability studies and adaptation planning and has been applied by researchers and planners in thousands of organizations worldwide.

Establishing the ‘current accounts’ and building scenarios and evaluating the scenarios about criteria are the main WEAP applications in Simulation problems.

References

References

1. "WEAP".
2. "Water Evaluation and Adaptation Planning (WEAP) System".
3. (2011-01-19). "Application of Water Evaluation and Planning (WEAP): A Model to Assess Future Water Demands in the Niger River (In Niger Republic)". Modern Applied Science.

::callout[type=info title="Wikipedia Source"] This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page. ::