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48 Titles Match Your Query
Showing 1 through 48 of 48
1. 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 ...

2. Watershed Health Assessment Tools Investigating Fisheries [EPA_WHATIF]
The Watershed Health Assessment Tools Investigating Fisheries (WHATIF) is software that integrates a number of calculators, tools, and models for assessing the health of watersheds and streams with ...

3. Web-based Interspecies Correlation Estimation (Web-ICE) Application [EPA_Web-ICE]
The Web-based Interspecies Correlation Estimation (Web-ICE) application estimates acute toxicity to aquatic and terrestrial organisms for use in risk assessment. [Summary provided by the EPA.]

4. The GFDL Modular Ocean Model (MOM4) [NOMADS_MOM4_BETA_MODEL]
The Modular Ocean Model (MOM) is a numerical representation of the ocean's hydrostatic primitive equations, and it is designed primarily as a tool for studying the global ocean climate system. MOM4 ...

5. Exposure Analysis Modeling System (EXAMS) [EPA_EXAMS]
The Exposure Analysis Modeling System (EXAMS) is an interactive software application for formulating aquatic ecosystem models and rapidly evaluating the fate, transport, and exposure concentrations ...

6. GCSOLAR [EPA_GCSOLAR]
The GCSOLAR program is a set of routines that computes direct photolysis rates and half-lives of pollutants in the aquatic environment. The half-lives are calculated as a function of season, latitude, ...

7. PRZM: A Model for Pesticide Transport [EPA_PRZM]
PRZM3 is the most recent version of a modeling system that links two subordinate models, PRZM and VADOFT, in order to predict pesticide transport and transformation down through the crop root and ...

8. Total Maximum Daily Load (TMDL) Universal Soil Loss Equation (USLE) Model [EPA_TMDL]
The Total Maximum Daily Load (TMDL) Universal Soil Loss Equation (USLE) model is a Windows-based software application for estimating diffuse sediment source loads within a watershed framework. ...

9. Wellhead Analytic Element Model [EPA_WHAEM2000]
The U.S. EPA's Wellhead Analytic Element Model, WhAEM2000 for Windows, is a groundwater geohydrology computer program. WhAEM2000 is a public domain, ground-water flow model designed to facilitate ...

10. Bioaccumulation and Aquatic System Simulator (BASS) [USEPA_BASS]
The Bioaccumulation and Aquatic System Simulator (BASS) is a Fortran 90 simulation model that predicts the population and bioaccumulation dynamics of age-structured fish assemblages which are exposed ...

11. Dynamic Global Vegetation Model (DGVM) [NASA_CASA_DGVM]
A Dynamic Global Vegetation Model (DGVM) has been developed as a new feature of the NASA-CASA (Carnegie Ames Stanford Approach) ecosystem production and trace gas model (Potter and Klooster. ...

12. NASA-CASA Biosphere Model - Interannual simulations for the 1980's [NASA_CASA_BiosphereModel]
The NASA-CASA Biosphere Model predicts annual global fluxes in terrestrial net primary production (NPP) at 47-60 Pg C, depending on the yearly conditions, with over 70% of terrestrial ...

13. AQUATOX: A Simulation Model for Aquatic Ecosystems [EPA-AQUATOX]
AQUATOX is a freshwater ecosystem simulation model. It predicts the fate of various pollutants, such as nutrients and organic toxicants, and their effects on the ecosystem, ...

14. Spatial Bioclimatology: Daymet [Daymet]
Daymet is a group of computer programs that produce surfaces of daily temperature, precipitation, radiation, and humidity over large regions, taking into account the effects of complex terrain. Observations ...

15. CCSM Climatological Data Atmosphere Model v.6.0 [NCAR_DATM6]
CCSM coupled model is based on a framework which divides the complete climate system into component models connected by a coupler. This design requires four component models -- atmosphere, sea-ice, ...

16. CCSM Climatological Land Data Model (dlnd6) [NCAR_DLND6]
The Climatological Data Land Model (dlnd) functions as the land component in a CCSM configuration. The dlnd land component interacts with the coupler just like any land model would, but it is not ...

17. CCSM Data Sea Ice Model (dice6) [NCAR_DICE6]
The Community Sea Ice Model (CSIM) is a dynamic-thermodynamic model that includes a subgrid-scale ice thickness distribution. It uses the energy conserving thermodynamics of Bitz and Lipscomb (1999), ...

18. CCSM/LANL Parallel Ocean Program (POP) [LANL-POP]
POP is an ocean circulation model derived from earlier models of Bryan, Cox, Semtner and Chervin in which depth is used as the vertical coordinate. The model solves the three-dimensional ...

19. Community Atmosphere Model (CAM) [NCAR_CAM]
The CAM 3.0 is the fifth generation of the NCAR atmospheric GCM. The name of the model series has been changed from Community Climate Model (CCM) to Community Atmosphere Model (CAM) to reflect the ...

20. Community Sea Ice Model (CSIM) [NCAR-CSIM]
The Community Sea Ice Model (CSIM) is a dynamic-thermodynamic model that includes a subgrid-scale ice thickness distribution. It uses the energy conserving thermodynamics of Bitz and Lipscomb ...

21. Fifth-Generation NCAR / Penn State Mesoscale Model (MM5) [MM5_PSU_NCAR]
The PSU/NCAR mesoscale model is a limited-area, nonhydrostatic or hydrostatic (Version 2 only), terrain-following sigma-coordinate model designed to simulate or predict mesoscale and regional-scale ...

22. NCAR Community Land Model [NCAR_CLM]
The Community Land Model is the land model for the Community Climate System Model (CCSM) and the Community Atmosphere Model (CAM). It is a collaborative project between scientists in the ...

23. NCAR/ACD TUV: Tropospheric Ultraviolet & Visible Radiation Model [UCAR_TUV]
The Tropospheric Ultraviolet-Visible Model (TUV) model is used over the wavelength range 121 - 750 nm, for calculating the spectral irradiance, the spectral actinic flux, photodissociation coefficients ...

24. The NCAR CSM Ocean Model (NCOM) Version 1.4 [NCOM-Ocean_Model-00]
The NCAR CSM Ocean Model (NCOM) is based on the GFDL 's Modular Ocean Model (MOM) 1.1 global oceanic general circulation model with substantial modifications to include improved mesoscale tracer transport, ...

25. Hydrodynamic, Sediment, and Contaminant Transport Model (HSCTM2D) [EPA_HSCTM2D]
The Hydrodynamic, Sediment, and Contaminant Transport Model (HSCTM2D) is a finite element modeling system for simulating two-dimensional, vertically-integrated, surface water flow (typically riverine ...

26. NASA Land Information System (LIS) [NASA_LIS]
The Land Information System (LIS) is a flexible land surface modeling and data assimilation framework developed with the goal of integrating satellite- and ground-based observational data products ...

27. Mountain Climate Simulator [MTCLIM]
MT-CLIM is a computer program that uses observations of daily maximum temperature, minimum temperature, and precipitation from one location (the "base") to estimate the temperature, precipitation, ...

28. Global Earth Observation System of Systems Tools [GEOSS_Tools]
There are numerous datasets, models, decision support tools, and programs that EPA manages, oversees, supports, or uses. Identifying these tools is key to the development of a Global Earth Observation ...

29. Earth System Modeling Framework (ESMF) [ESMF]
The Earth System Modeling Framework (ESMF) collaboration, which consists of Earth scientists and computational experts from major U.S. Earth modeling centers, is developing a robust, flexible set ...

30. Internet Geographical Exposure Modeling System (IGEMS) [EPA-IGEMS]
The new IGEMS is a modernization of OPPT's older Graphical Exposure Modeling System and PCGEMS tools. IGEMS brings together in one system several EPA environmental fate and transport models ...

31. BIOPLUMEII - A Simulation that Computes the Concentrations of Dissolved Hydrocarbon in an Aquifer [USEPA_BIOPLUMEII]
BIOPLUME II is a simulation that computes concentrations of dissolved hydrocarbon under the influence of oxygen-limited biodegradation in an aquifer. The model solves the solute transport ...

32. CHEMFLO - A Model to Simulate Water Movement and Chemical Transport in Unsaturated Soils [LSC_CHEMFLO]
CHEMFLO enables users to simulate water movement and chemical transport in unsaturated soils by solving the Richards equation (water) and the convection-dispersion equation (chemicals). ...

33. Cornell Mixing Zone Expert System (CORMIX) [EPA_CORMIX]
CORMIX is a water quality modeling and decision support system designed for environmental impact assessment of mixing zones resulting from wastewater discharge from point sources. The ...

34. Hydrological Simulation Program - FORTRAN (HSPF) [EPA_HSPF]
The Hydrological Simulation Program - FORTRAN (HSPF) is a comprehensive package for simulation of watershed hydrology and water quality for both conventional and toxic organic pollutants. ...

35. River and Stream Water Quality Model (QUAL2Kw) [EPA_QUAL2KW]
QUAL2Kw is a river and stream water quality model that is intended to represent a modernized version of the QUAL2E model (Brown and Barnwell, 1987). QUAL2Kw is related to the QUAL2K model ...

36. The Storm Water Management Model (SWMM) [EPA_SWMM]
The Storm Water Management Model (SWMM) is a comprehensive computer model for analysis of quantity and quality problems associated with urban runoff. Both single-event and continuous simulation ...

37. Water Quality Analysis Simulation Program (WASP) [EPA_WASP]
The Water Quality Analysis Simulation Program (WASP) is a generalized framework for modeling contaminant fate and transport in surface waters. Based on the flexible compartment modeling ...

38. Regional Hydro-Ecological Simulation System (RHESSys) Model [NASA_ARC_RHESSys]
The Regional Hydro-Ecological Simulation System (RHESSys) model has been implemented in the Ecocast architecture and is currently being used to ingest MODIS satellite data to forecast snowpack behavior ...

39. GEOMAG [GEOMAG]
While every effort is made keep the GEOMAG software and format of the models unchanging, with the release of the 2000 models, a slight change was needed in the header (first) line of the model file. ...

40. Assessment System for Population Exposure Nationwide [EPA_ASPEN]
The Assessment System for Population Exposure Nationwide (ASPEN) consists of a dispersion and a mapping module. The dispersion module is a Gaussian formulation based on ISCST3 for estimating ambient ...

41. COMPLEX1 - Terrain Screening Model [COMPLEX1-Model]
(Summary adapted from EPA.) COMPLEX1 a multiple point source screening technique with terrain adjustment that incorporates the plume impaction algorithm of the VALLEY model. http://www.epa.gov/scram001/dispersion_screening.htm#complex1

42. Emissions Modeling System for Hazardous Pollutants (EMS-HAP) [EMS_HAP]
The Emissions Modeling System for Hazardous Pollutants (EMS-HAP) is an emissions processor that performs the steps needed to process an emission inventory for input into the ASPEN model or the ISCST3 ...

43. QUAL2K: A Model for River and Stream Water Quality [EPA_QUAL2K]
QUAL2K (or Q2K) is a river and stream water quality model that is intended to represent a modernized version of the QUAL2E (or Q2E) model (Brown and Barnwell 1987). Q2K is similar to Q2E in the following ...

44. Visual Geophysical Exploration Environment [VGEE]
The Visual Geophysical Exploration Environment (VGEE) combines new pedagogical models with advances in technology and the geosciences to create an inquiry-based geoscience learning environment for ...

45. CAL3QHC/CAL3QHCR- A Versatile Dispersion Model for Predicting Carbon Monoxide Levels Near Highways and Arterial Streets [CAL3QHC_Model]
(Summary adapted from EPA.) CAL3QHC/CAL3QHCR (CALINE3 with queuing and hot spot calculations) a CALINE3 based CO model with a traffic model to calculate delays and queues that occur at signalized ...

46. 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 ...

47. Environmental Fluid Dynamics Code (EFDC Hydro) Model [EPA_EFDC]
The Environmental Fluid Dynamics Code (EFDC Hydro) is a state-of-the-art hydrodynamic model that can be used to simulate aquatic systems in one, two, and three dimensions. It has evolved over the ...

48. Visual Plumes Model System [EPA_VPLUME]
The Visual Plumes model system is a Windows-based software application for simulating surface water jets and plumes. It also assists in the preparation of mixing zone analyses, Total Maximum Daily ...

Showing 1 through 48 of 48

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