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238 Titles Match Your Query
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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. SEAWAT: A Computer Program for Simulation of Three-Dimensional Variable-Density Ground-Water Flow [USGS_SEAWAT]
SEAWAT is a generic MODFLOW/MT3DMS-based computer program designed to simulate three-dimensional variable-density groundwater flow coupled with multi-species solute and heat transport. The program ...


5. Social Values for Ecosystem Services (SolVES) [USGS_SolVES]
Social Values for Ecosystem Services (SolVES), was developed to incorporate quantified and spatially explicit measures of social values into ecosystem service assessments. SolVES 3.0 continues to ...


6. 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 ...


7. 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 ...


8. HYDROTHERM: Three-dimensional finite-difference model to simulate multiphase ground-water flow and heat transport [USGS_HYDROTHERM]
The HYDROTHERM computer program simulates multi-phase ground-water flow and associated thermal energy transport in three dimensions. It can handle high fluid pressures, up to 1 x 109 Pa (104 atm), ...


9. 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.


10. One-Dimensional Transport With Inflow and Storage (OTIS): A Solute Transport Model For Streams and Rivers [USGS_OTIS]
OTIS is a mathematical simulation model used to characterize the fate and transport of water-borne solutes in streams and rivers. The governing equation underlying the model is the advection-dispersion ...


11. 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 ...


12. Coupled Ground-water and Surface-water FLOW model [USGS_GSFLOW]
GSFLOW is a coupled Groundwater and Surface-water FLOW model based on the integration of the USGS Precipitation-Runoff Modeling System (PRMS) and the USGS Modular Groundwater Flow Model (MODFLOW and ...


13. GENPRES: Generates Patch Occupancy Data and Analyzes Using Program MARK [USGS_GENPRES]
GENPRES estimates patch occupancy rates and related parameters. This work is in collaboration with Darryl MacKenzie, and is largely funded by the Amphibian Research and Monitoring Initiative (ARMI).


14. 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. ...


15. The GIS Weasel - An Interface for the Development of Spatial Parameters for Physical Process Modeling [USGS_GIS_WEASEL]
GIS Weasel is a software system designed to aid users in preparing spatial information as input to lumped and distributed parameter environmental simulation models (ESMs). The GIS Weasel provides ...


16. 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) ...


17. WATER9: Air Emissions Model for Waste and Wastewater Treatment [WATER9]
WATER9, the wastewater treatment model, is a Windows based computer program and consists of analytical expressions for estimating air emissions of individual waste constituents in wastewater collection, ...


18. VISCREEN - Plume Screening Model [VISCREEN-Model]
VISCREEN calculates the potential impact of a plume of specified emissions for specific transport and dispersion conditions.


19. Water Evaluation And Planning System [WEAP]
The Water Evaluation And Planning System (WEAP) operates on the basic principle of a water balance and can be applied to municipal and agricultural systems, a single watershed or complex transboundary ...


20. 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 ...


21. Software for Hydrologic and Sediment Response Modeling [USDA_FS_WATSED]
The cumulative effects of land management activities on water `quality, stream channels, and water dependent resources from the introduction of sediment and changes in quantity and timing of water ...


22. UNSATCHEM - Software Package for Simulating Water, Heat, Carbon Dioxide and Solute Movement in One-Dimensional Variably Saturated Media [USDA_ARS_UNSATCHEM]
UNSATCHEM is a software package for simulating water, heat, carbon dioxide and solute movement in one-dimensional variably saturated media. The software consists of the UNSCHEM (version 2.0) computer ...


23. VALLEY - Terrain Screening Model [VALLEY-Model]
VALLEY is a steady-state, complex terrain, univariate Gaussian plume dispersion algorithm designed for estimating either 24-hour or annual concentrations resulting from emissions from up to 50 (total) ...


24. 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 ...


25. 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 ...


26. 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 ...


27. 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 ...


28. 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 ...


29. 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 ...


30. 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. ...


31. Nearest Neighbor Soil Water Retention Estimator [USDA_ARS_kNearest]
The k-nearest neighbor (k-NN) technique is a non-parametric technique that can be used to make predictions of discrete (class-type) as well as continuous variables. The k-NN technique and many of ...


32. Nitrogen Decision Aid [USDA_ARS_NDA]
The Nitrogen Decision Aid is a computerized program that predicts the amount of N mineralized from planting to side-dress or 5-leaf growth-stage. By applying just enough N-fertilizer to reach the ...


33. 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 ...


34. 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 ...


35. Land Use Evolution and Impact Assessment Model [UIUC_LEAM]
The Land Use Evolution and Impact Assessment Model (LEAM) its development, and its application to several regions within the continental United States is conducted and managed by a team of faculty, ...


36. Tectonic Plate Motion Calculator from UNAVCO [UNAVCO_NNR_Plate_Motion_Calc]
The Plate Motion Calculator calculates tectonic plate motion at any location on Earth using one or more plate motion models. You can specify: - position in geographic or WGS-84 XYZ coordinates - ...


37. UPLAN Urban Growth Model (UPLAN) [ucdavis_uplan]
The UPLAN Urban Growth Model (UPLAN) is a simple rule based urban growth model intended for regional or county level modeling. The needed space for each land use type is calculated from simple demographics ...


38. Whole-Atmosphere Community Climate Model (WACCM) [UCAR_WACCM]
The Whole Atmosphere Community Climate Model (WACCM) is a comprehensive numerical model, spanning the range of altitude from the Earth's surface to the thermosphere. The development of WACCM is an ...


39. 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 ...


40. 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 ...


41. SWRC Fit - Scientific Statistical Tool for Hydrologist [swrcfit]
The soil hydraulic parameters for analyzing water movement in variably saturated soil can be determined by fittig soil hydraulic model to a soil water retention curve. SWRC Fit performs nonlinear ...


42. 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.


43. Tectonic Planet [tectonicplanet]
Tectonic Planet is a planet-wide terrain generator, using simulated tectonic movements rather than fractals. Intended to produce richer information than just a heightmap - geology layers, climate, ...


44. Terrain Track Thermal Data Displayer [T3D2]
The Terrain Track Thermal Data Displayer takes 3D GPS tracks and displays the flights over 3D Digital Elevation Data along with pixel data mapped over the terrain. Ananlyzes the flight for thermals. ...


45. Simple Long Ocean Wave Model [Slowmo]
Simple Long Ocean Wave Model (slowmo) is used for calculating tsunami travel times. When a tsunami is created the application can be run to produce a map showing when the tsunami will hit nearby coastlines. ...


46. Solar Model [solarmodel]
The Solar Model is real time modeling of solar system. It allows user to navigate in space, to control time counting (speed-up time flow) and estimate movement of space bodies, bind camera to space ...


47. 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) ...


48. 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.


49. Shoreline Dispersion Model [SLAB-Model]
The SLAB model treats denser-than-air releases by solving the one-dimensional equations of momentum, conservation of mass, species, and energy, and the equation of state. SLAB handles release scenarios ...


50. 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 ...


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