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 http://www.fao.org/waicent/faoinfo/agricult/agl/aglw/aquastat/main/index.stm
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. US EPA http://www.epa.gov/docs/ostwater/BASINS/
DHI Software and Mike Basin -- Collection of many software programs related to all aspects of water resources DHI Software http://www.dhisoftware.com/
DWRSIM -- A monthly time step, reservoir system simulation model of the Central Valley of California. California Department of Water Resources http://wwwhydro.water.ca.gov/dwrsim.html
Interactive River - Aquifer Simulation (IRAS) -- IRAS, an Interactive River-Aquifer Simulation program, simulates, over time and space, water flows, storage volumes, water quality concentrations and hydroelectric power and energy within a network of interconnected interdependent surface water and groundwater components. Cornell University http://www.cfe.cornell.edu/research/urbanwater/project%20description/General/IRAS.HTM
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) http://www.nre.vic.gov.au/web/root/Domino/vro/vrosite.nsf/pages/water-surfacemod
Ribasim -- A generic, graphically-oriented, model package for simulating the time-varying characteristics of river basins under varying hydrological conditions. Delft Hydraulics http://www.wldelft.nl/soft/ribasim/
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 http://cadswes.colorado.edu/riverware/
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 http://www.wiz.uni-kassel.de/kww/irrisoft/drain/saltmod.html
SMS, Surfer, others -- One to Three Dimensional Hydrodymanic Modeling Scientific Software Group http://www.scisoftware.com/
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 http://www.brc.tamus.edu/swat/
USGS Water Resources Software -- Water resources applications software grouped into categories: geochemical, ground water, surface water, water quality, general. USGS http://water.usgs.gov/software/
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 http://www.fs.fed.us/r5/stanislaus/watershed/
WaterWare Water Resources Management Information System -- An integrated, model-based information and decision support system for water resources management. Environmental Software and Services http://www.ess.co.at/WATERWARE/
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. H2O2U http://www.h2o2u.us