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559 Titles Match Your Query
Showing 1 through 50 of 559 Next
1. A Fortran Program for Transient Rainfall Infiltration and Grid-Based Regional Slope-Stability Analysis [USGS_TRIGRS]
TRIGRS (Transient Rainfall Infiltration and Grid-based Regional Slope-Stability Model) is a Fortran program for computing transient pore-pressure changes, and attendant changes in the factor of safety, ...


2. 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 ...


3. 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 ...


4. 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 ...


5. 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 ...


6. Slope-Area Computation program [USGS_SAC]
The Slope-Area Computation (SAC) program follows USGS standardized procedures for computing discharge by the slope-area method. SACGUI is a stand-alone, runnable Java Archive (JAR) that interfaces ...


7. 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 ...


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. National Water-Quality Assessment (NAWQA) Area-Characterization Toolbox [USGS_nawqa_tools_stdorder]
This is release 1.0 of the National Water-Quality Assessment (NAWQA) Area-Characterization Toolbox. These tools are designed to be accessed using ArcGIS Desktop software (versions 9.3 and 9.3.1). ...


11. 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 ...


12. 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 ...


13. 3D Visualization of Earthquake Focal Mechanisms Using ArcScene [USGS_DS_2007_241]
We created a new tool, 3D Focal Mechanisms (3DFM), for viewing earthquake focal mechanism symbols three dimensionally. This tool operates within the Environmental Systems Research Institute (ESRI®) ...


14. CO2calc: A User-Friendly Seawater Carbon Calculator for Windows, Mac OS X, and iOS (iPhone) [USGS_CO2calc]
A user-friendly, stand-alone application for the calculation of carbonate system parameters was developed by the U.S. Geological Survey Florida Shelf Ecosystems Response to Climate Change Project ...


15. 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 ...


16. DBFmeta: A tool to help document DBF files [USGS_DBFmeta]
DBFmeta is a software tool designed to facilitate the documentation of data contained in DBF files. These data files are increasingly common because they are used to store attributes of geographic ...


17. Environmental Flow Allocation and Statistics Calculator (EFASC) [USGS_EFASC]
The Environmental Flow Allocation and Statistics Calculator (EFASC) is a computer program that calculates hydrologic statistics based on a time series of daily streamflow values. EFASC will calculate ...


18. GW_CHART: Program for Creating Specialized Graphs In Ground-Water Studies [USGS_GW_CHART]
GW_Chart is a program for creating specialized graphs used in ground-water studies. It incorporates the functionality of two previous programs, Budgeteer and Hydrograph Extractor and adds additional ...


19. 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. ...


20. 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 ...


21. USGS Digital Shoreline Analysis System (DSAS) [USGS_DSAS]
The Digital Shoreline Analysis System (DSAS) version 2.2.1 extends the normal functionality of the ArcView© version 3.2 (and later) geographic information system to include historic shoreline ...


22. ANALGWST: Programs that calculate analytical solutions for one-, two-, and three-dimensional solute transport in ground-water systems with uniform flow [USGS_ANALGWST]
ANALGWST is a set of programs that calculate analytical solutions for one-, two-, and three-dimensional solute transport in ground-water systems with uniform flow. Analytical solutions to the advective-dispersive ...


23. ANNIE: Interactive Hydrologic Analyses and Data Management [USGS_ANNIE]
ANNIE is a program designed to help users interactively store, retrieve, list, plot, check, and update spatial, parametric, and time-series data for hydrologic models and analyses. Data are stored ...


24. 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) ...


25. Channel Geometry Analysis Program (CGAP) [USGS_CGAP]
The Channel Geometry Analysis Program (CGAP) permits the analysis, interpretation, and quantification of the physical properties of an open-channel reach as defined by a sequence of cross sections. ...


26. CEOS MISSION, INSTRUMENTS AND MEASUREMENTS DATABASE ONLINE [CEOS_MIM]
This database is updated annually based on a survey of CEOS member space agencies and has a number of applications. - Information sharing in support of the coordination of future Earth observation ...


27. 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, ...


28. 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 ...


29. 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 ...


30. 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 ...


31. 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 ...


32. USDA's Soil Data Viewer [USDA-SDV]
The Soil Data Viewer is a tool built as an extension to ArcView that allows you to easily create soil-based thematic maps. Soil Data Viewer shields users and applications from the complexity of the ...


33. 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 ...


34. WinSRFR: An Integrated Hydraulic Analyses Application for Surface Irrigation Systems [USDA_ARS_WinSRFR]
WinSRFR is an integrated hydraulic analyses application for surface irrigation systems that combines a simulation engine with tools for irrigation system evaluation, design, and operational analysis. ...


35. 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 ...


36. 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 ...


37. 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 ...


38. 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 ...


39. 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 ...


40. Nitrogen Index Tool [USDA_ARS_NIT]
The effectiveness of nitrogen fertilizer in maximizing agricultural production and increasing economic returns for farmers has led to its widespread use. However, when this element is applied to a ...


41. 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 ...


42. Automated Registration and Orthorectification Package (AROP) [USDA_ARS_AROP]
The automated registration and orthorectification package (AROP) for Landsat and Landsat-like data processing. It uses precisely registered and orthorectified Landsat data (e.g., GeoCover or recently ...


43. NetCDF (network Common Data Form) [UNIDATA_NETCDF]
NetCDF is a set of software libraries and self-describing, machine-independent data formats that support the creation, access, and sharing of array-oriented scientific data.


44. TOPAZ: Topographic Parameterization [TOPAZ]
TOPAZ (Topographic Parameterization) is an automated digital landscape analysis tool for topographic evaluation, drainage identification, watershed segmentation and subcatchment parameterization. ...


45. The Unidata UDUNITS Package [UNIDATA_UDUNITS]
The UDUNITS package supports units of physical quantities. Its C library provides for arithmetic manipulation of units and for conversion of numeric values between compatible units. The package contains ...


46. DRLINE - Graphical display and manipulation of velocity data [ULCAR_DRLINE]
DRLINE is graphical display and manipulation of the velocity data sets generated by DDAV, and/or GDDAV.


47. Digisonde Drift Analysis Software [ULCAR_DDAS]
The Digisonde Drift Analysis developed at the University of Massachusetts Lowell Center for Atmospheric Research. The UMLCAR Digisonde Drift Analysis set of programs are designed to deal with the ...


48. Digisonde Drift Data Visualization Engine [ULCAR_UML_Drift_X]
The Digisonde Drift Analysis was developed at the University of Massachusetts Lowell Center for Atmospheric Research. The UMLCAR Digisonde Drift Analysis set of programs are designed to deal with ...


49. GPS Velocity Viewer Web Tool [UNAVCO_GPSVelocityViewer]
The GPS Velocity Viewer Web Tool shows maps of the Earth's tectonic plates, earthquake locations, volcanoes, and crustal motions (GPS geodesy station velocities). The map tool is built with Google ...


50. Geoid Height Calculator [UNAVCO_GEIOD]
The Geoid Height Calculator calculates a geoid undulation at a point whose latitude and longitude is specified. The program is designed to use the potential coefficient model EGM96 and a set of spherical ...


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