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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 ground-water discharge to a stream. The model is applicable to a ground-water flow system that is driven by a really uniform recharge ...


2. Precipitation-Runoff Modeling System [USGS_PRMS]
PRMS is a modular-design, deterministic, distributed-parameter modeling system developed to evaluate the impacts of various combinations of precipitation, climate, and land use on streamflow, sediment ...


3. RORA: The recession-curve-displacement method for estimating recharge [USGS_RORA]
RORA: The recession-curve-displacement method for estimating recharge is used for the analysis of streamflow records using data in a particular format (example: Figure 1). This format was not available ...


4. SEAWAT: A Computer Program for Simulation of Three-Dimensional Variable-Density Ground-Water Flow [USGS_SEAWAT]
The SEAWAT program was developed to simulate three-dimensional, variable- density, transient ground-water flow in porous media. The source code for SEAWAT was developed by combining MODFLOW and MT3DMS ...


5. Social Values for Ecosystem Services (SolVES) [USGS_SolVES]
In response to the need for incorporating quantified and spatially explicit measures of social values into ecosystem services assessments, the Rocky Mountain Geographic Science Center (RMGSC), in ...


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]
Wind fetch is defined as the unobstructed distance that wind can travel over water in a constant direction. Fetch is an important characteristic of open water because longer fetch can result in larger ...


8. HYDROTHERM: Three-dimensional finite-difference model to simulate multiphase ground-water flow and heat transport [USGS_HYDROTHERM]
Quantitative modeling of magmatic-hydrothermal systems has been hampered by the lack of publicly available models for multiphase, high-temperature flow. The HYDROTHERM model described ...


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. MOD-PREDICT ...


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


11. PHAST: A Computer Program for Simulating Ground-Water Flow, Solute Transport, and Multicomponent Geochemical Reactions [USGS_PHAST]
The computer program PHAST simulates multi-component, reactive solute transport in three-dimensional saturated ground-water flow systems. PHAST is a versatile ground-water flow and solute-transport ...


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]
Streamflow routing in upland channels or channel networks (DAFLOW) is a digital model for routing streamflow using the diffusion analogy form of the flow equations in conjunction with a Lagrangian ...


15. The GIS Weasel - An Interface for the Development of Spatial Parameters for Physical Process Modeling [USGS_GIS_WEASEL]
The GIS Weasel is a map and Graphical User Interface (GUI) driven tool that has been developed as an aid to modelers in the delineation, characterization, and parameterization of Modeling ...


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) connected in a dendritic ...


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]
(Summary adapted from EPA.) VALLEY is a steady-state, complex terrain, univariate Gaussian plume dispersion algorithm designed for estimating either 24-hour or annual concentrations resulting from ...


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 tool is a GIS-based hydrologic modeling tool that was developed as an extension for ArcView 3X. Using digital data in combination ...


35. Land Use Evolution and Impact Assessment Model [UIUC_LEAM]
The Land Use Evolution and Impact Assessment Model (LEAM) is a computer-based tool that simulates land-use changes across space and time. LEAM urban land-use transformation modeling begins with drivers, ...


36. Tectonic Plate Motion Calculator from UNAVCO [UNAVCO_NNR_Plate_Motion_Calc]
This program is for the calculation of tectonic plate motion at any location on Earth using one or more plate motion models. Users can specify: * position in geographic or WGS-84 XYZ coordinates ...


37. UPLAN Urban Growth Model (UPLAN) [ucdavis_uplan]
The UPLAN Urban Growth Model (UPLAN) provides a land use evaluation and change analysis based on general land-use plans, population and employment projections, characteristics of housing, and other ...


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 ...


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
SWAT is the acronym for Soil and Water Assessment Tool, a river basin, or watershed, scale model developed by Dr. Jeff Arnold for the USDA Agricultural Research Service (ARS). SWAT was developed to ...


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 which simulates the evolution of large ice sheets. It was originally created as a part of the doctoral dissertation ...


48. Shoreline Dispersion Model [SDM-Model]
(Summary adapted from EPA.) 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 ...


49. Shoreline Dispersion Model [SLAB-Model]
(Summary adapted from EPA.) 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. ...


50. Slope, Land cover, Exclusion, Urbanization, Transportation, and Hillshade (SLEUTH) [SLEUTH]
Slope, Land cover, Exclusion, Urbanization, Transportation, and Hillshade (SLEUTH) was developed by Dr. Keith C. Clarke. Research continues at the University of California, Santa Barbara, Department ...


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