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1. BIOPLUMEIII - A 2D, Finite Diffference Model for Simulating the Natural Attenuation of Organic Contaminants in Ground-Water [USEPA_BIOPLUMEIII]
BIOPLUME III is a 2D, finite difference model for simulating the natural attenuation of organic contaminants in ground-water due to the processes of advection, dispersion, sorption, and ...


2. RAMAS EcoLab with Applied Population Ecology [RAMAS_apppopn]
Applied Population Ecology introduces junior- and senior-level undergraduates to the principles of population ecology. Each chapter of the book discusses a topic in detail, with examples from wildlife ...


3. RAMAS EcoLab with Conservation Biology [RAMAS_consbio]
This set of 14 labs is designed as a teaching tool for introductory undergraduate or high school environmental or ecological laboratory courses. The lab manual contains background information and ...


4. RAMAS Ecotoxicology [RAMAS_ecotoxicology]
RAMAS Ecotoxicology carries out ecological risk assessments for systems of two kinds: structured single populations and food chains. Structured population models (RAMAS Ecotoxicology): Specify survival ...


5. RAMAS Multispecies Assessment - Estimating Multispecies Conservation Values Across the Landscape [RAMAS_multispecies]
RAMAS Multispecies Assessment combines what you know about the habitat and the risks for each species of a site into a single map of conservation values for landscape conservation, planning and management. ...


6. Options AnalysiS in Irrigation Systems [OASIS]
Options AnalysiS in Irrigation Systems (OASIS) is a model that simulates irrigation interventions in medium to large-scale irrigation systems (thousands of ha), describes return flows and integrates ...


7. Wind Wizard: Gridded Wind Model [Wind_Wizard]
Wind Wizard (Gridded Wind Model) is a method that can provide information about the effect of topography on local wind flow at the 100-300 ft scale. Wind information at this detail is not available ...


8. A two-constituent solute transport model for ground water having variable density [USGS_MOCDENSE]
The two-constituent solute transport model for ground water having variable density model simulates solute transport in flowing ground water. It is applicable to two-dimensional, cross-sectional ...


9. An Interactive Code For Modeling Net Geochemical Reactions Along a Flow Path [USGS_NETPATH]
NETPATH is an interactive Fortran 77 computer program used to interpret net geochemical mass-balance reactions between an initial and final water along a hydrologic flow path. Alternatively, NETPATH ...


10. BIOMOC - A Multispecies Solute-Transport Model with Biodegradation [USGS_BIOMOC]
BIOMOC is a two-dimensional model that can simulate the transport and biotransformation of multiple reacting solutes. The program is general and flexible, allowing for any combination ...


11. Chemical Modeling of Acid Waters [USGS_WATEQ4F]
WATEQ4F is a chemical speciation code for natural waters. It uses field measurements of temperature, pH, Eh, dissolved oxygen and alkalinity, and the chemical analysis of a water sample as input and ...


12. Conduit Flow Process for MODFLOW-2005 [USGS_CFP]
The conduit flow process for MODFLOW-2005 (CFP) has the ability to simulate turbulent or laminar ground-water flow conditions by: (1) coupling the traditional ground-water flow equation with formulations ...


13. Coupled Ground-water and Surface-water FLOW model [USGS_GSFLOW]
GSFLOW is a coupled Ground-water and Surface-water FLOW model based on the integration of the U.S. Geological Survey Precipitation-Runoff Modeling System (PRMS, Leavesley and others, 1983) and the ...


14. FourPt - An Unsteady, One-Dimensional, Open-Channel Flow Model [USGS_FourPt]
FOURPT is a numerical model for simulating unsteady, one-dimensional flow in networks of open channels. Options particularly useful in training or prototyping include selection of governing equations ...


15. Full EQuations Model [USGS_FEQ]
The Full EQuations Model is a computer model for simulation of one-dimensional unsteady flow in open channels and through control structures. The structure of the program is designed to follow the ...


16. Gypsy Moth Penology Model [USDA_FS_GMPHEN]
The GMPHEN model predicts the growth of gypsy moth from egg eclosion to adult emergence from the pupal stage. In this DOS program, users are provided with a menu structured access system, permitting ...


17. Hydrologic Analysis and Modeling Toolbox [hamtoolbox]
The Hydrologic Analysis and Modeling Toolbox is a collection of program modules to support the analysis and modeling of rainfall-runoff dynamics of watersheds.


18. Large Area Runoff Simulation Model [LARSIM]
LARSIM is an acronym for Large Area Runoff Simulation Model. It is a hydrologic model, which describes continuous runoff processes in catchments and river networks. This project provides a graphical ...


19. Load Estimator (LOADEST): A Program for Estimating Constituent Loads in Streams and Rivers [USGS_LOADEST]
LOAD ESTimator (LOADEST) is a FORTRAN program for estimating constituent loads in streams and rivers. Given a time series of streamflow, additional data variables, and constituent concentration, LOADEST ...


20. MODFLOW-CDSS, a Version of MODFLOW-2005 with Modifications for Colorado Decision Support Systems [USGS_MODFLOW-CDSS]   PARENT DIF
MODFLOW-CDSS is a three-dimensional, finite-difference groundwater-flow model based on MODFLOW-2005, with two modifications. The first modification is the introduction of a Partition Stress Boundaries ...


21. MODFLOW-USG: An Unstructured Grid Version of MODFLOW for Simulating Groundwater Flow and Tightly Coupled Processes Using a Control Volume Finite-Difference Formulation [USGS_mfusg]   PARENT DIF
A new version of MODFLOW, called MODFLOW-USG (for UnStructured Grid), was developed to support a wide variety of structured and unstructured grid types, including nested grids and grids based on prismatic ...


22. MODOPTIM: A General Optimization Program for Ground-Water Flow Model Calibration and Ground-Water Management with MODFLOW [USGS_MODOPTIM]
MODOPTIM is a non-linear ground-water model calibration and management tool that simulates flow with MODFLOW-96 as a subroutine. A weighted sum-of-squares objective function defines optimal solutions ...


23. ModelMate - A Graphical User Interface (GUI) for Model Analysis [USGS_ModelMate]
ModelMate is a graphical user interface designed to facilitate use of model-analysis programs with models. This initial version of ModelMate supports one model-analysis program, UCODE_2005, and one ...


24. ModelMuse - A Graphical User Interface for MODFLOW-2005, PHAST, MODPATH, and ZONEBUDGET [USGS_ModelMuse]
ModelMuse is a graphical user interface (GUI) for the U.S. Geological Survey (USGS) models MODFLOW–2005 and PHAST. This software package provides a GUI for creating the flow and transport input file ...


25. Modular Finite-Element Model for Areal and Axisymmetric Ground-Water Flow Problems [USGS_MODFE]
This MODular, Finite-Element digital-computer program (MODFE) was developed to provide solutions to ground-water-flow problems based on the governing equations that describe two-dimensional ...


26. One-Dimensional Transport with Equilibrium Chemistry (OTEQ): A Reactive Transport Model for Streams and Rivers [USGS_OTEQ]
The One-Dimensional Transport with Equilibrium Chemistry (OTEQ) model is a mathematical simulation model used to characterize the fate and transport of waterborne solutes in streams and rivers. The ...


27. 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 ...


28. QUICK-2: Hydraulic Analysis Program [FEMA_QUICK_2]
Quick-2, Version 1.0, is a Microsoft DOS hydraulic analysis program (similar to HEC-2) used to compute water-surface elevations in open channels. Quick-2 was developed to accompany the FEMA guidance ...


29. Reservoir System Simulation [HEC-ResSim]
The Reservoir System Simulation program is one of the next generation (NexGen) software package which is designed to be used to model reservoir operations at one or more reservoirs whose operations ...


30. STRMDEPL, A One-Dimensional Model Using Two Analytical Solutions to Calculate Streamflow Depletion by a Nearby Pumping Well [USGS_STRMDEPL08]
STRMDEPL, a one-dimensional model using two analytical solutions to calculate streamflow depletion by a nearby pumping well, was extended to account for two additional analytical solutions. The extended ...


31. Three-Dimentional finite-difference groundwater model (MODFLOW)—2000 version—with variably saturated flow [USGS_MF2K-VSF]
The Variably Saturated Flow (VSF) Process enables MODFLOW (MF2K v15) to simulate three dimensional variably saturated flow in porous media. The VSF Process includes five packages unique to unsaturated ...


32. Two-dimensional method-of-characteristics ground-water flow and transport model [USGS_MOC]
The Two-dimensional method-of-characteristics ground-water flow and transport model model simulates solute transport in flowing ground water. It is applicable to one- or two-dimensional problems ...


33. USGG2003 GEOID MODEL [NOAA_NGS_USGG2003]
USGG2003 is a gravimetric geoid model, and is an update of the G99SSS model. USGG2003 covers the coterminous U.S., Alaska, Hawaii, Puerto Rico and the American Virgin Islands. [Summary provided ...


34. Umtanum Fluid Flow Simulation [ufflow]
The Umtanum Fluid Flow Simulation is an object oriented numerical model simulating fluid flow in a porous medium using Cellular Automata techniques. Uses the DotNet Framework. Intended to be extensible ...


35. VS2DI - A graphical software package for simulating fluid flow and solute or energy transport in variably saturated porous media [USGS_VS2DI]
VS2DI is a graphical software package for simulating flow and transport in variably saturated porous media. This software package consists of three components: - VS2DTI, for ...


36. ORNL DAAC Thematic Real-time Environmental Distributed Data Services (THREDDS) Data Server (TDS) for Daymet [ORNL_THREDDS_Data_Server_Daymet]
The ORNL DAAC's Thematic Real-time Environmental Distributed Data Services (THREDDS) Data Server (TDS) serves the contents of selected ORNL DAAC data sets through a catalog service and several data ...


37. Cumulative Impacts Model [NOAA_cumulativeimpacts]
This interactive mapping model provides estimates of human impacts on ocean ecosystems from a host of activities. The data summarized in the model help evaluate the sensitivity of areas to certain ...


38. ORNL DAAC Thematic Real-time Environmental Distributed Data Services (THREDDS) Data Server (TDS) [ORNL_THREDDS_Data_Server]
The ORNL DAAC's Thematic Real-time Environmental Distributed Data Services (THREDDS) Data Server (TDS) serves the contents of selected ORNL DAAC data sets through a catalog service and several data ...


39. i-Tree Vue [vue]   PARENT DIF
i-Tree Vue allows you to make use of freely available national land cover data maps to assess your community's land cover, including tree canopy, and some of the ecosystem services provided by your ...


40. CEOS Climate Diagnostics [CEOS_CD]
The CEOS Climate Diagnostics web site was inspired by the ideas and foresight of Mitchell D. Goldberg, NOAA/NESDIS, SaTellite Applications and Research (STAR), and Chief of the Satellite Meteorology ...


41. Benthic Terrain Modeler [BTM]
The Benthic Terrain Modeler (BTM) functions as an interactive toolbar within ArcMap, and relies on a methodology to analyze benthic terrain from input multibeam bathymetry in ESRI's GRID (raster) ...


42. Catchment Land Surface Model [NASA_CATCHMENT_LSM]
The one-dimensional framework used by traditional one-dimensional LSMs (including the Mosaic LSM) is not amenable to an adequate treatment of runoff generation or subsurface soil moisture ...


43. Goddard Earth Observing System Model, Version 5 (GEOS-5) [NASA_GEOS-5]
The Goddard Earth Observing System Model, Version 5 (GEOS-5) is a system of models integrated using the Earth System Modeling Framework (ESMF). The GEOS-5 DAS integrates the GEOS-5 AGCM with the Gridpoint ...


44. Mosaic Land Surface Model [NASA_MOSAIC_LSM]
The Mosaic land surface model (LSM) computes areally-averaged energy and water fluxes from the land surface in response to meteorological forcing. The model allows explicit vegetation control over ...


45. Risiko - Web-Based Tool that Models Impacts of Different Hazard Events on Population or Infrastructure [Risiko]
Risiko is a web based tool that models impacts of different hazard events on population or infrastructure. It is part of a set of Open Source Software tools called Risk in a Box, and we encourage ...


46. NASA/MSFC Global Reference Atmospheric Model-1999 (GRAM-99) [GRAM-99]
Global model, using empirical database, giving density, temperature, pressure, winds, and selected atmospheric constituent concentrations, from the surface of the Earth to orbital altitudes, as a ...


47. PODIUMSim - Policy Dialogue Model and Water and Food Security Planning Tool [IWMI_PODIUMSim]
PODIUMSim provides a framework to develop scenarios of water and food supply at river basin, sub-national and national level. It is an interactive tool that runs on a personal computer, and has a ...


48. PRogramme for Integrated earth System Modeling (PRISM) [PRISM]
Following the recommendations of the European climate research community (Euroclivar, November 1998), it is proposed to undertake a "PRogramme for Integrated earth System Modelling" as a pilot infrastructure ...


49. World Water and Climate Atlas [IWMI_WWCA]
The IWMI World Water and Climate Atlas gives irrigation and agricultural planners rapid access to accurate data on climate and moisture availability for agriculture. The Atlas includes monthly and ...


50. Acute-to-Chronic Estimation (ACE) Model [EPA_ACE]
The Acute-to-Chronic Estimation (ACE) with Time-Concentration-Effect Models software allows prediction of chronic toxicity from acute toxicity datasets. ACE uses linear regression and accelerated ...


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