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102 Titles Match Your Query
Showing 1 through 50 of 102 Next
1. PULSE: Model-Estimated Ground-Water Recharge and Hydrograph of Ground-Water Discharge to a Stream [USGS_PULSE]
The computer model PULSE can be used to construct a hydrograph of groundwater discharge to a stream. The model is applicable to a groundwater flow system that is driven by areally uniform recharge ...


2. Precipitation-Runoff Modeling System [USGS_PRMS]
The Precipitation-Runoff Modeling System is a deterministic, distributed-parameter, physical process based modeling system developed to evaluate the response of various combinations of climate and ...


3. RORA: The recession-curve-displacement method for estimating recharge [USGS_RORA]
The computer program RORA estimates groundwater recharge using the recession-curve-displacement method. The method is based on the change in total potential groundwater discharge that is caused by ...


4. Wave Model [USGS_WAVE_MODEL]
A model was constructed within ArcGIS 9.2 to create several useful wave outputs. Significant wave height, wave length, spectral peak wave period, shear stress, and maximum orbital wave velocity can ...


5. Wind Fetch Model [USGS_WIND_FETCH]
Models based upon coastal engineering equations have been developed to quantify wind fetch length and several physical wave characteristics including significant height, length, peak period, maximum ...


6. MOD-PREDICT: Software For Ground Water Analysis [USGS_MODPREDICT]
The MOD-PREDICT program makes definition and analysis of predictions easier for users of MODFLOW-2000 and enhances the analysis capabilities of model fit to observations and prior information.


7. PHAST: A Computer Program for Simulating Ground-Water Flow, Solute Transport, and Multicomponent Geochemical Reactions [USGS_PHAST]
The computer program PHAST ( PH REEQC A nd H ST 3D) simulates multicomponent, reactive solute transport in three-dimensional saturated groundwater flow systems. PHAST is a versatile groundwater flow ...


8. Streamflow routing in upland channels or channel networks [USGS_DAFLOW]
The DAFLOW model routes flows through a system of inter-connected one-dimensional channels and subdivides the system into a series of branches, with each branch divided into a number of subreaches. ...


9. Branch-Network Dynamic Flow Model [USGS_BRANCH]
The Branch-Network Dynamic Flow Model--BRANCH--is used to simulate steady or unsteady flow in a single open-channel reach (branch) or throughout a system of branches (network) ...


10. Snowmelt-Runoff Model (WinSRM) [USDA_ARS_WinSRM]
The Snowmelt-Runoff Model (WinSRM) is designed to simulate and forecast daily streamflow in mountain basins where snowmelt is a major runoff factor. Most recently, it has also been applied to evaluate ...


11. WATSUIT Model: Predicts the Salinity, Sodicity, and Toxic-Solute Concentration [USDA_ARS_WATSUIT]
WASUIT is a computer program which predicts the salinity, sodicity, and the toxic-solute concentration of the soil-water within a simulated crop root zone resulting from the use of a particular ...


12. STANMOD Model (STudio of ANalytical MODels) [USDA_ARS_STANMOD]
STANMOD (STudio of ANalytical MODels) is a Windows based computer software package for evaluating solute transport in porous media using analytical solutions of the convection-dispersion solute transport ...


13. Soil Temperature and Moisture Model [USDA_ARS_STM2]
The Soil Temperature and Moisture Model model predicts the soil temperature and moisture conditions based on very limited user inputs. The input requirements are: 1. A general soil characterization ...


14. Solar Calc: Estimating Hourly Incoming Solar Radiation from Limited Meteorological Data [USDA_ARS_SolarCalc]
Two major properties which determine weed seed germination are soil temperature and moisture content. Incident radiation is the primary variable controlling energy input to the soil system and thereby ...


15. DRIFTSIM - Development of a User-Friendly Computer Program to Predict Drift Distances of Spray Droplets [USDA_ARS_DRIFTSIM]
Computer simulation provides a means of determining the relative effects of various factors on spray drift while field experiments to measure spray drift have the limitation that many variables cannot ...


16. GlobalRainSIM - Tool to Estimate Daily Rainfall Based Upon Two Databases [USDA_ARS_Global_RainSIM]
The purpose of the GlobalRainSIM tool is to estimate daily precipitation patterns for a yearly cycle at any location on the globe. The user input is simply the latitude and longitude of the selected ...


17. Integrated Farm System Model [USDA_ARS_IFSM]
The Integrated Farm System Model is a farm simulation model that predicts the long-term performance, environmental impact and economics of dairy, beef and crop farms over multiple years of weather. ...


18. PhenologyMMS - Crop Simulation Model [USDA_ARS_PhenologyMMS]
PhenologyMMS is a simulation model that outlines and quantifies the developmental sequence of different crops under varying levels of water deficits, provides developmental information relevant to ...


19. Automated Geospatial Watershed Assessment (AGWA) [USDA_AGWA]
The Automated Geospatial Watershed Assessment (AGWA) tool is a GIS-based hydrologic modeling tool that uses commonly available GIS data layers to fully parameterize, execute, and spatially visualize ...


20. Environmental Policy Integrated Climate (EPIC) Model [TAMU_EPIC]
The Environmental Policy Integrated Climate (EPIC) model is a cropping systems model that was developed to estimate soil productivity as affected by erosion as part of the Soil and Water Resources ...


21. SWAT Check - Software To Identify Potential Model Input Parameters Issues [SWAT_Check]   PARENT METADATA
The SWAT Check program reads model output from a SWAT project and performs many simple checks to identify POTENTAL model problems. The intended purpose of this program is to identify model problems ...


22. Soil and Water Assessment Tool [SWAT]   CHILD METADATA
The Soil and Water Assessment Tool (SWAT) predicts the effect of management decisions on water, sediment, nutrient and pesticide yields with reasonable accuracy on large, ungaged river basins.


23. SImulation COde for POLythermal Ice Sheets [SICOPOLIS]
SICOPOLIS (SImulation COde for POLythermal Ice Sheets) is a 3-d dynamic/thermodynamic model that simulates the evolution of large ice sheets and ice caps. It was originally created by Greve (1997a,b) ...


24. Shoreline Dispersion Model [SDM-Model]
The Shoreline Dispersion Model (SDM) is a multiple-point Gaussian dispersion model that can be used to determine ground level concentrations from tall stationary point source emissions near a shoreline.


25. Slope, Land cover, Exclusion, Urbanization, Transportation, and Hillshade (SLEUTH) [SLEUTH]
Slope, Land cover, Exclusion, Urbanization, Transportation, and Hillshade (SLEUTH) is a tightly coupled, modified cellular automaton model of urban and other land class change. Its main component ...


26. Regional Air Quality Modeling System (RAQMS) [RAQMS]
Scientists use the Regional Air Quality Modeling System (RAQMS) computer model to predict air quality around the globe. RAQMS has been designed to address the atmospheric chemistry modeling needs ...


27. Revised Universal Soil Loss Equation [RUSLE]
Research on soil erosion and its effect on agricultural productivity started in 1930s. During 1940 and 1956, research scientists began to develop a quantitative procedure for estimating soil loss ...


28. Water Erosion Prediction Project (WEPP) Model [PURDUE_GRASS_WEPP]
The Water Erosion Prediction Project (WEPP) model is a process-based, distributed parameter, continuous simulation, erosion prediction model for use on personal computers running Windows ...


29. Web Based Hydrograph Analysis Tool (WHAT) [PURDUE_WHAT]
The Purdue University Web-Based Hydrography Analysis Tool (WHAT) allows users to view USGS stream flow data in a GIS setting. Users can also upload their own stream flow data to be visualized in this ...


30. Open Source Application for Modeling Flood Control Measures and 1D Hydrodynamic Flood Simulation [nofdp_IDSS]
The nofdp IDSS is an open source application for modeling flood control measures and 1D hydrodynamic flood simulation. Additional modules for ecological and spatial analysis, multicriteria evaluation ...


31. CCSM Climatological Land Data Model (dlnd6) [NCAR_DLND6]
The Climatological Data Land Model (dlnd) functions as the land component in a CCSM configuration. The dlnd land component interacts with the coupler just like any land model would, but it is not ...


32. CCSM Data Sea Ice Model (dice6) [NCAR_DICE6]
The Community Sea Ice Model (CSIM) is a dynamic-thermodynamic model that includes a subgrid-scale ice thickness distribution. It uses the energy conserving thermodynamics of Bitz and Lipscomb (1999), ...


33. Community Sea Ice Model (CSIM) [NCAR-CSIM]
The Community Sea Ice Model (CSIM) is a dynamic-thermodynamic model that includes a subgrid-scale ice thickness distribution. It uses the energy conserving thermodynamics of Bitz and Lipscomb ...


34. Fifth-Generation NCAR / Penn State Mesoscale Model (MM5) [MM5_PSU_NCAR]
The PSU/NCAR mesoscale model is a limited-area, nonhydrostatic or hydrostatic (Version 2 only), terrain-following sigma-coordinate model designed to simulate or predict mesoscale and regional-scale ...


35. The NCAR CSM Ocean Model (NCOM) Version 1.4 [NCOM-Ocean_Model-00]
The NCAR CSM Ocean Model (NCOM) is a collaborative project among all of the members of the CGD's Oceanography Section. Our goal is to develop and maintain a suite of state of the art ocean component ...


36. Earth System Modeling Framework (ESMF) [ESMF]
The Earth System Modeling Framework (ESMF) collaboration, which consists of Earth scientists and computational experts from major U.S. Earth modeling centers, is developing a robust, flexible set ...


37. Icetools - A Numerical Ice Flow Model [icetools]
Icetools provides a development environment for numerical ice flow models/simulations. Nonlinear rheology and Stokes approach are implemented. "Ready to use" programs/scripts are available based on ...


38. The Hydrus Water Flow, Heat Movement, and Solute Transport Simulation Program [HYDRUS-99]
The HYDRUS program is a finite element model for simulating the one-dimensional movement of water, heat, and multiple solutes in variably saturated media. The program numerically solves the Richards' ...


39. AQUATOX: A Simulation Model for Aquatic Ecosystems [EPA-AQUATOX]
AQUATOX is a simulation model for aquatic systems. AQUATOX predicts the fate of various pollutants, such as nutrients and organic chemicals, and their effects on the ecosystem, including fish, invertebrates, ...


40. Visual Plumes Model System [EPA_VPLUME]
The Visual Plumes model system is a Windows-based software application for simulating surface water jets and plumes. It also assists in the preparation of mixing zone analyses, Total Maximum Daily ...


41. Water Quality Analysis Simulation Program (WASP) [EPA_WASP]
The Water Quality Analysis Simulation Program (WASP) is an enhancement of the original WASP (Di Toro et al., 1983; Connolly and Winfield, 1984; Ambrose, R.B. et al., 1988). This model helps users ...


42. Web-based Interspecies Correlation Estimation (Web-ICE) Application [EPA_Web-ICE]
The Web-based Interspecies Correlation Estimation (Web-ICE) application estimates acute toxicity to aquatic and terrestrial organisms for use in risk assessment.


43. Wellhead Analytic Element Model [EPA_WHAEM2000]
The U.S. EPA's Wellhead Analytic Element Model, WhAEM2000 for Windows (98/NT/2K/XP/7/8), is a groundwater geohydrology computer program. WhAEM2000 is a public domain, ground-water flow model designed ...


44. Assessment System for Population Exposure Nationwide [EPA_ASPEN]
The Assessment System for Population Exposure Nationwide (ASPEN) consists of a dispersion and a mapping module. The dispersion module is a Gaussian formulation based on ISCST3 for estimating ambient ...


45. Cornell Mixing Zone Expert System (CORMIX) [EPA_CORMIX]
CORMIX is a USEPA-supported mixing zone model and decision support system for environmental impact assessment of regulatory mixing zones resulting from continuous point source discharges. The system ...


46. Environmental Fluid Dynamics Code (EFDC Hydro) Model [EPA_EFDC]
The Environmental Fluid Dynamics Code (EFDC) is a multifunctional surface water modeling system, which includes hydrodynamic, sediment-contaminant, and eutrophication components. EFDC has been applied ...


47. Exposure Analysis Modeling System (EXAMS) [EPA_EXAMS]
The Exposure Analysis Modeling System (EXAMS) is an interactive software application for formulating aquatic ecosystem models and rapidly evaluating the fate, transport, and exposure concentrations ...


48. Hydrodynamic, Sediment, and Contaminant Transport Model (HSCTM2D) [EPA_HSCTM2D]
The Hydrodynamic, Sediment, and Contaminant Transport Model (HSCTM2D) is a finite element modeling system for simulating two-dimensional, vertically-integrated, surface water flow (typically riverine ...


49. Hydrological Simulation Program - FORTRAN (HSPF) [EPA_HSPF]
Hydrological Simulation Program - FORTRAN (HSPF) is a comprehensive package for simulation of watershed hydrology and water quality for both conventional and toxic organic pollutants. HSPF incorporates ...


50. The Storm Water Management Model (SWMM) [EPA_SWMM]
EPA's Stormwater Management Model (SWMM) is used for single event or long-term simulations of water runoff quantity and quality in primarily urban areas–although there are also many applications ...


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