Print List Subscribe to RSS Feed

Showing 1 - 50 of 808 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. 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 ...

9. 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 ...

10. Global Sea-Surface Temperature and Sea-Ice Concentration Data Display Software [USGS_OCEAN_DISPLAY]
The Global sea-surface temperature and sea-ice concentration data display software shows some of the general characteristics of ocean circulation. Each display program prompts first for the oceanic ...

11. 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), ...

12. 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.

13. 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). ...

14. 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 ...

15. 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 ...

16. 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®) ...

17. 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 ...

18. 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 ...

19. 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 ...

20. DESI - Detection of Early-Season Invasives [USGS_DESI]
DESI—Detection of Early-Season Invasives is a software system for detecting early-season invasive plant species, such as cheatgrass. The report includes instructions for installing the software ...

21. 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 ...

22. 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).

23. 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 ...

24. 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. ...

25. 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 ...

26. 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 ...

27. 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 ...

28. 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 ...

29. 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) ...

30. Census Stop Tool [USGS_CENSUS_STOP_TOOL]
The Census Stop Tool is an ArcMap 9.x extension that creates random points along a line layer while maintaining a minimum distance between points. This tool is designed to facilitate road based surveys ...

31. 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. ...

32. 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 ...

33. 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, ...

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

35. 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 ...

36. Crop Yield Editor [USDA_ARS_YIELD_EDITOR]
Yield Editor is a tool which allows the user to select, apply and analyze a variety of automated filters and editing techniques used to process and clean yield data. The software imports either AgLeader ...

37. 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 ...

38. 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 ...

39. 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 ...

40. 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 ...

41. 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) ...

42. 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 ...

43. 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. ...

44. Resampling Validation of Sample Plans (RVSP) [USDA_ARS_RVSP]
Resampling Validation of Sampling Plans (RVSP) is a software package that enables users to validate multiple arthropod sampling plans through resampling of actual independent data sets. Plans include ...

45. 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 ...

46. 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 ...

47. 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 ...

48. 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 ...

49. Global Rainfall Predictor [USDA_ARS_RainSIM]
The Global Rainfall Predictor (Global RainSIM) forecasts the daily rainfall based upon two databases.The first was the average number of days in a month with precipitation (wet days) that were compiled ...

50. 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 ...

Showing 1 through 50 of 808 Next