Bem-vindos ao WEAP
WEAP é uma iniciativa do Stockholm Environment Institute.

Sobre o WEAP

Página principal
Porque o WEAP?
Características do modelo
Amostras do modelo
História e Créditos

Utilizando o WEAP
Licença de uso
Instruções de uso

Fórum de usuários
Lista de Membros
Editar Perfil

Suporte Adicional
Cursos Universitários

Quem Somos
Programa de Recursos hídricos SEI US
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 Notícias Ambientais
LEAP Interessado em Energia?
Leia sobre LEAP: SEI software para planejamento energético.


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Conjunto de dados do WEAP (1 items) Relatórios sobre WEAP (5 items) Artigos/Documentos/Relatórios (2 items)
Fonte de dados (10 items) Ferramentas/Modelos (23 items) Sites de informação (4 items)
Organizações Importantes (15 items)    

WEAP Datasets
Test dataset -- This is a test dataset.

WEAP Reports
ADAPT - Adaptation to Changing Environments: Water, Climate, Food, and Nature -- As part of the ADAPT project, WEAP was used to develop and evaluate adaptation strategies in the Sacramento Basin to alleviate negative impacts of climate change and variability. A variety of adaptation strategies were analyzed with WEAP to address the tradeoffs between water allocations that prioritize the environment and food security under changing climate and land-use conditions.
SEI-Boston / Natural Heritage Institute (NHI)
downloads/adapt_sacramento.pdf   (2.7 Megs)
Environmentally Optimal Alternative: Bay Delta (California) -- The current lack of understanding of both long-term and owner preferences and biophysical constraints suggest that the plan for the Delta’s future should include a near-term component consisting of immediate, low-conflict restoration opportunities nested with a longer term process that emphasizes local control, learning by doing, and actions that secure the future of the Delta irrespective of future land use decisions. There is too much uncertainty to specify the ultimate targets for types, locations or magnitudes of habitat restoration, but there is sufficient certainty and consensus to move ahead ith the immediate opportunities on which the interested parties already agree. Rather than argue about the extent and magnitude of a long-term plan, Delta stakeholders should work together to immediately implement this more modest set of low-conflict restoration projects. Lessons learned from implementation of these projects coupled with additional time for further analysis will help illuminate and foster consensus on the next steps to take on the path toward a broader restoration program and a sustainable future for the Delta.
Natural Heritage Institute (NHI)
downloads/BayDelta1.pdf   (3.2 Megs)
Feasibility Study of a Maximal Program of Groundwater Banking -- Recognizing that powerful interests will naturally seek to defend the economic developments made possible through historic water diversion, we sought to demonstrate that groundwater banking can become one of the elusive win-win alternatives long desired by the California water community. To make this case we adopted a very systematic approach towards analyzing and surmounting the physical, legal and institutional barriers which could stymie full realization of the yield potential associated with groundwater banking. The intent of this reductionist approach is to preemptively respond to the visceral reactions which are sure to greet a call to strengthen the ties between the management of California’s surface water and groundwater resources. By addressing, and hopefully dispelling, some of these concerns in advance, this report lays the groundwork for to the full realization of the wide-spread benefit made possible through groundwater banking.
Natural Heritage Institute (NHI)
downloads/BayDelta2.pdf   (1.7 Megs)
Simulation of Water Supply and Demand in the Aral Sea Region -- The Aral Sea, a huge saline lake located in the arid south-central region of the former U.S.S.R., is vanishing because the inflows from its two feed rivers, the Amudar’ya and Syrdar'ya, have diminished radically over the past three decades. The loss of river flow is the result of massive increases in river withdrawals, primarily for cotton irrigation in the basins. A microcomputer model, the Water Evaluation and Planning System (WEAP), has been developed for simulating current water balances and evaluating water management strategies in the Aral Sea region. WEAP treats water demand and supply issues in a comprehensive and integrated fashion. The scenario approach allows flexible representation of the consequences of alternative development patterns and supply dynamics. For the Aral region’s complex water systems, a detailed water demand and supply simulation was performed for the 1987-2020 period, assuming that the current practices continue. The analysis provides a picture of an unfolding and deepening crisis.
Stockholm Environment Institute - Boston Center
downloads/aralsea.pdf   (7.1 Megs)
Water demand management scenarios in a water-stressed basin in South Africa -- Like the majority of the river basins in South Africa, water resources in the Olifants River Basin are almost fully allocated. WEAP was used to build a model allowing for the simulation and analysis of various water allocation scenarios and, above all, scenarios of users’ behavior. Water demand management is one of the options discussed in more detail here. Simulations are proposed for diverse climatic situations from dry years to normal years and results are discussed.
International Water Management Institute (IWMI)
downloads/southafrica.pdf   (0.3 Megs)

Crop Evapotranspiration Guidelines -- Crop evapotranspiration - Guidelines for computing crop water requirements - FAO Irrigation and drainage paper 56
FAO Document Center -- Collection of Documents on Water

Data sources
AWWA water data -- Drinking water quality reports in the US.
California Data Exchange Center -- Collects, stores, disseminates, and exchanges hydrometeorological data and related information for California.
California Department of Water Resources
California Groundwater Level Data -- On-line access to a groundwater level measurement database for California.
California Department of Water Resources
Drinking Water Data & Databases -- EPA maintains drinking water data in several online databases.
Geography Network -- Shared geographic data and services through a global network of publishers.
Geography Network
Hydrologic Unit Spacial Databases (US) -- Spatial databases that desribe the hydrologic unit delineation of the United States at a scale of 1:250,000.
US Geological Survey
National Climatic Data Center -- "World's largest archive of weather data."
National Environmental Satellite, Data, and Information Service
Physician On-line Reference Guide -- Recognizing Waterborne Disease and the Health Effects of Water Pollution.
The World's Water -- Information on the world's freshwater resources from the book "The World's Water".
USGS Water Resources of the United States -- Water data, publications, technical resources.
U.S. Geological Survey

AQUASTAT -- The objective is to provide users with comprehensive information on the state of agricultural water management across the world, with emphasis on developing countries and countries in transition.
UN Food and Agriculture Organization
Army Corps HEC models -- Computer programs for hydrologic engineering and planning analysis procedures
US Army Corps of Engineers
BASINS - Better Assessment Science Integrating Point and Nonpoint Sources -- BASINS is a multipurpose environmental analysis system for use by regional, state, and local agencies in performing watershed and water quality based studies.
Boss Water Models -- Collection of surface, groundwater, watershed, urban hydrology, and spatial models.
Boss International
DHI Software and Mike Basin -- Collection of many software programs related to all aspects of water resources
DHI Software
Enhanced Stream Water Quality Model (QUAL2K) -- Simulates major reactions and effects on dissolved oxygen and algal growth.
GAIA Model Base Hydrology -- Collection of hydrology simulation models.
GAIA Environmental Information System
International Water Management Institute -- A non-profit scientific research organization specializing in water use in agriculture and integrated management of water and land resources.
OASIS -- Stakeholder Tool for Water Resources
REALM Model -- The REsource ALlocation Model is a computer program that can simulate the operation of water supply systems during droughts as well as during periods of normal and high streamflows.
Natural Resources and Environmnet, Victoria University of Technology (Australia)
Ribasim -- A generic, graphically-oriented, model package for simulating the time-varying characteristics of river basins under varying hydrological conditions.
Delft Hydraulics
RiverWare -- Generalized river and reservoir object-oriented modeling tool, providing a construction kit for developing and running detailed site-specific models for planning and operating river systems.
Center for Advanced Decision Support for Water and Environmental Systems, University of Colorado
SALTMOD -- SALTMOD predicts soil salinity and the salt contents of groundwater and drainage effluent in irrigated agricultural land, based on seasonal data.
University of Kassel, Germany
SLURP Basin Model -- SLURP (Semi-Distributed Land Use-Based Runoff Processes) is a conceptual model that, although normally used in semi-distributed form, is capable of being used as a fully distributed hydrological model.
Hydrologic Solutions
SMS, Surfer, others -- One to Three Dimensional Hydrodymanic Modeling
Scientific Software Group
SWAT (Soil and Water Assessment Tool) -- SWAT is a river basin scale model developed to quantify the impact of land management practices in large, complex watersheds.
USDA Agricultural Research Service at the Grassland, Soil and Water Research Laboratory in Temple, TX
USGS Water Resources Software -- Water resources applications software grouped into categories: geochemical, ground water, surface water, water quality, general.
Water Quality Tools -- Collection of tools from the US EPA
WaterGap -- Global Water Model
University of Kassel, Germany
Watershed Analysis Tool -- Watershed Analysis is a tool for doing Ecosystem Management at the watershed scale. It is used to determine existing conditions, and make recommendations for future projects that move the landscape towards desired conditions.
USDA Forest Service   ( Megs)
Watershed Modeling System (WMS) -- WMS (Watershed Modeling System) is a comprehensive hydrologic modeling environment for watershed analysis
Boss International
WaterWare Water Resources Management Information System -- An integrated, model-based information and decision support system for water resources management.
Environmental Software and Services
WebH20 -- WebH2O is a web-based Environmental Information Management System (EIMS) that combines powerful data base features with a growing suite of GIS and technical analysis tools for making the most of your environmental data.

Information Websites
Hydrology Web -- Hosts a comprehensive list of links to Hydrology and related Hydrology resources
SAFFIRE - Strategic Alliance for Freshwater Information, Resources and Education -- Internet-based tool providing access to information regarding the sustainable management water resouces.
The World's Water -- A site dedicated to providing up-to-date water information, data, and web connections to organizations, institutions, and individuals working on a wide range of global freshwater problems and solutions.
UN Educational Scientific & Cultural Organization - Water -- The UNESCO Water Portal is intended to enhance access to information related to freshwater available on the World Wide Web.

Relevant Organizations
Global International Waters Assessment -- The aim of GIWA is to produce a comprehensive and integrated global assessment of international waters, the ecological status of and the causes of environmental problems in 66 water areas in the world, and focus on the key issues and problems facing the aquatic environment in transboundary waters.
Global Water Partnership -- A working partnership among all those involved in water management: government agencies, public institutions, private companies, professional organizations, multilateral development agencies and others committed to the Dublin-Rio principles.
Hydrologic Engineering Center of the US Army Corps of Engineers -- Center of Expertise in Hydrology and Water Resources
US Army Corps of Engineers
International Water Association -- A global network of water professionals, spanning the continuum between research and practice and covering all facets of the water cycle.
International Water Resources Association -- IWRA is committed to the sound management of water resources.
Pacific Institute -- Studies in Development, Environment and security.
Sanitation Connection -- An Environmental Sanitation Network.
Stockholm International Water Institute -- A policy think tank that contributes to international efforts to combat the world's escalating water crisis.
The Water Conservation Union -- A partnership among States, government agencies and a diverse range of non-governmental organizations.
The Water Page -- An independent initiative dedicated to the promotion of sustainable water resources management and use. A particular emphasis is placed on the development, utilisation and protection of water in Africa and other developing regions.
World Bank - Water Resources Management -- This website is the central organizing point for water as a cross-cutting issue throughout the World Bank.
World Commission on Dams -- The WCD was an independent, international, multi-stakeholder process which addressed the controversial issues associated with large dams. It provided a unique opportunity to bring into focus the many assumptions and paradigms that are at the centre of the search to reconcile economic growth, social equity, environmental conservation and political participation in the changing global context. The Commission completed its work with the launch of its final report and disbanded.
World Summit on Sustainable Development - Water Initiative -- The H20 Partnership aims to further the environmental, economic and social importance of oceans, coasts, and islands, and to facilitate the realization of the Montreal commitment by governments to mitigate water pollution and resource degradation from the hilltops to the oceans.
World Water Council -- International Water Policy Think Tank dedicated to strengthening the world water movement for an improved management of the world's water resources.
Worldwatch Institute - Water -- Worldwatch research on water focuses on practical policies to ensure more efficient use and equitable access to water, to minimize international and intersectoral conflict over this vital resource, and to avoid groundwater contamination.

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