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1. AQUATOX: A Simulation Model for Aquatic Ecosystems [EPA-AQUATOX]
AQUATOX is a simulation model for aquatic systems. AQUATOX predicts the fate of various pollutants, such as nutrients and organic chemicals, and their effects on the ecosystem, including fish, invertebrates, ...

2. Multi-Chamber Concentration And Exposure Model (MCCEM) [EPA-MCCEM]
Multi- Chamber Concentration and Exposure Model (MCCEM) .- Estimates average and peak indoor air concentrations of chemicals released from products or materials in houses, apartments, townhouses, ...

3. Virtual Beach [EPA_VB]
Virtual Beach is a software package designed for developing site-specific statistical models for the prediction of pathogen indicator levels at recreational beaches. Virtual Beach version 3.0 (VB3.0) ...

4. 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 ...

5. Water Quality Analysis Simulation Program (WASP) [EPA_WASP]
The Water Quality Analysis Simulation Program (WASP) is an enhancement of the original WASP (Di Toro et al., 1983; Connolly and Winfield, 1984; Ambrose, R.B. et al., 1988). This model helps users ...

6. 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.

7. Wellhead Analytic Element Model [EPA_WHAEM2000]
The U.S. EPA's Wellhead Analytic Element Model, WhAEM2000 for Windows (98/NT/2K/XP/7/8), is a groundwater geohydrology computer program. WhAEM2000 is a public domain, ground-water flow model designed ...

8. 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 ...

9. BEACON 2.0 - Beach Advisory and Closing On-line Notification [EPA_BEACON]
The U.S. Environmental Protection Agency (EPA) created the BEach Advisory and Closing Online Notification (BEACON) system to meet the Agency's requirement to provide to the public a database of pollution ...

10. Cornell Mixing Zone Expert System (CORMIX) [EPA_CORMIX]
CORMIX is a USEPA-supported mixing zone model and decision support system for environmental impact assessment of regulatory mixing zones resulting from continuous point source discharges. The system ...

11. DFLOW: A Tool for Low Flow Analysis [EPA_dflow]
DFLOW is a Windows-based tool developed to estimate user selected design stream flows for low flow analysis and water quality standards. This latest version can be readily used by regulators in state ...

12. EPA Metadata Editor [EPA_EMA]
The EPA Metadata Editor (EME) is a simple geospatial metadata editor that allows users to create and edit records that meet EPA metadata requirements. EPA developed several major versions of the ...

13. EnviroMapper [EPA_Enviro_Mapper]
The EnviroMapper application provides users with interactive Geographic Information System (GIS) functionality using Environmental Protection Agency (EPA) spatial data. EnviroMapper allows users to ...

14. Environmental Fluid Dynamics Code (EFDC Hydro) Model [EPA_EFDC]
The Environmental Fluid Dynamics Code (EFDC) is a multifunctional surface water modeling system, which includes hydrodynamic, sediment-contaminant, and eutrophication components. EFDC has been applied ...

15. 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 ...

16. 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 ...

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

18. Landfill Gas Emissions Model [EPA_LandGEM]
The Landfill Gas Emissions Model (LandGEM) is an automated estimation tool with a Microsoft Excel interface that can be used to estimate emissions rates for total landfill gas, methane, carbon dioxide, ...

19. MINTEQA2 - An Equilibrium Speciation Model [EPA_MINTEQA2]
MINTEQA2 is a equilibrium speciation model that can be used to calculate the equilibrium composition of dilute aqueous solutions in the laboratory or in natural aqueous systems. The model is useful ...

20. Multimedia Contaminant Fate, Transport, and Exposure Model (MMSOILS) [EPA_MMSOILS]
The Multimedia Contaminant Fate, Transport, and Exposure Model (MMSOILS) estimates the human exposure and health risk associated with releases of contamination from hazardous waste sites. The methodology ...

21. Multimedia Exposure Assessment Model (MULTIMED) [EPA_MULTIMDP]
The Multimedia Exposure Assessment Model (MULTIMED) for exposure assessment simulates the movement of contaminants leaching from a waste disposal facility. The MULTIMED model has been modified (MULTIMDP) ...

22. Nitrogen and Phosphorus Pollution Data Access Tool (NPDAT) [EPA_npdat]
The Nitrogen and Phosphorus Pollution Data Access Tool (NPDAT) enables users to view and download nitrogen and phosphorus pollution data from a variety of databases. The NPDAT utilizes shared Web ...

23. SERAFM - A Process-Based, Steady-State Modeling System [EPA_SERAFM]
SERAFM is a steady-state, process based mercury cycling model designed specifically to assist a risk assessor or researcher in estimating mercury concentrations in the water column, sediment, and ...

24. Statistical Software ProUCL 4.1.00 for Environmental Applications for Data Sets with and without Nondetect Observations [EPA_ProUCL]
ProUCL version 5.1.002 (5.1) is the latest update of the ProUCL statistical software package for analysis of environmental data sets with and without nondetect (ND) observations. ProUCL version 5.1 ...

25. The Storm Water Management Model (SWMM) [EPA_SWMM]
EPA's Stormwater Management Model (SWMM) is used for single event or long-term simulations of water runoff quantity and quality in primarily urban areas–although there are also many applications ...

26. US Environmental Protection Agency (EPA) Air Quality Forecasts and Ozone Maps (AIRnow) [EPA_AIRNOW]
Every day the Air Quality Index (AQI) tells you how clean or polluted your outdoor air is, along with associated health effects that may be of concern. The AQI translates air quality data into numbers ...

27. 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 ...

28. Air Compliance Advisor (ACA) Air Pollution Control Technology Evaluation Model [EPA_ACA]
The Air Compliance Advisor (ACA) is a software tool designed to assist on-site air pollution managers in developing strategies for addressing air pollution compliance issues. The ACA utilizes source ...

29. CropScape - Cropland Data Layer Geospatial Data Service [USDA_NASS_CropScape]
To provide easier access to geospatial satellite products, the U.S. Department of Agriculture's National Agricultural Statistics Service (NASS) has launched CropScape, a new cropland exploring service. ...

30. Drought Monitor [ensounl_drought]
The U.S. Drought Monitor map provides a summary of drought conditions across the United States and Puerto Rico. Often described as a blend of art and science, the map is updated weekly by combining ...

31. European Forest Fire Information System (EFFIS) [EFFIS]
The European Commission DG Joint Research Centre set up since 1999 a research group to work specifically on the development and implementation of advanced methods for the evaluation of ...

32. DIVA-GIS: Geographic Information System for Biodiversity Research [DIVA_GIS]
DIVA-GIS can be used to analyze the distribution of organisms to elucidate and ecological patterns. It is aimed at scientists who cannot afford generic geographic information system (GIS) software, ...

33. Digital Library for Earth System Education [DLESE]
The Digital Library for Earth System Education (DLESE) is a distributed community effort involving educators, students, and scientists working together to improve the quality, quantity, and efficiency ...

34. Digital Line Graph (DLG) Viewer [dlgvu]
The Digital Line Graph (DLG) Viewer (dlgvu) is an interactive viewer for Unix, written in the Icon programming language. It reads DLG files to produce maps such as those shown at the left. Click on ...

35. Drought Impact Reporter [DroughtImpactReporter]
The Drought Impact Reporter is an interactive web-based mapping tool designed to compile and display impact information across the United States in near real-time from a variety of sources such as ...

36. Earth 3D [EARTH_3D]
Earth3D is a program that visualizes the earth in real time in a 3D view. It uses data from NASA, USGS, the CIA and the city of Osnabruck. The program is available as binary for Linux, MacOS X and ...

37. Energy-Recharge Constrained AFC Geochemical Evolution of Magma Bodies [EC-RAFC]
EC-RAFC is a self-consistent formulation for the conservation of energy, mass and species in a magma body undergoing concurrent assimilation and fractional crystallization, with or without recharge ...

38. Excel to Google Earth Tool [e2g]
The Excel to Google Earth (E2G) thematic mapping tool was developed to display maps in Google Earth using Excel spreadsheet data for administrative divisions (e.g., provinces and districts) without ...

39. Marine Geospatial Ecology Tools: An integrated framework for ecological geoprocessing with ArcGIS, Python, R, MATLAB, and C++. Environmental Modeling and Software [DUKE_MGET]
Marine Geospatial Ecology Tools (MGET) is a free, open-source geoprocessing toolbox that can help you solve a wide variety of marine research, conservation, and spatial planning problems. MGET plugs ...

40. The Exploratory Data Analysis and Management Project's Environmental Chemistry Data Processing and Mining Application [EDAM_ENCHILADA]
The Exploratory Data Analysis and Management Project's Environmental Chemistry Data Processing and Mining Application allows users to view and analyze environmental chemistry data from the Exploratory ...

41. DEGADIS (Dense Gas Dispersion Model) [DEGADIS-Model]
DEGADIS (Dense Gas Dispersion Model) simulates the atmospheric dispersion at ground-level of area source dense gas (or aerosol) clouds released with zero momentum into the atmospheric boundary layer ...

42. DataONE R Client [dataone_r]
The DataONE R Client is an R package that provides read/write access to data and metadata from the DataONE network of Member Node data repositories. Member Nodes in DataONE are independent data repositories ...

43. Deegree [Deegree-JaGo]
deegree is open source software for spatial data infrastructures and the geospatial web. deegree offers components for geospatial data management, including data access, visualization, discovery and ...

44. HydroGET - An ArcGIS Web Service Client [CUAHSI_HydroGET]
HydroGET (Hydrologic GIS Extraction Tool) is a versatile tool that gives ArcGIS users the ability to ingest web service data into ArcGIS. HydroGET stores the downloaded data using the time series ...

45. Master Controlled Vocabulary Registry [CUAHSI_mastercvreg]
The ODM Controlled Vocabulary Registry is a website for data managers to request new or updated items to the master controlled vocabulary and for users to see the current master controlled vocabulary ...

46. Natural Disaster Management Application [disasters20]
Disasters2.0 provides web and mobile social application to manage natural disasters. It allows the user to add fire,floods,collapses or victims in a Map and manage resources like policemen, firemen ...

47. Observations Data Model (ODM) [CUAHSI_ODM]   PARENT METADATA
The CUAHSI Hydrologic Information System project is developing information technology infrastructure to support hydrologic science. One aspect of this is a data model for the storage and retrieval ...

48. COMPLEX1 - Terrain Screening Model [COMPLEX1-Model]
COMPLEX1 is a multiple point source screening technique with terrain adjustment that incorporates the plume impaction algorithm of the VALLEY model.

49. Chemical Mass Balance Model [CMB8]
The Chemical Mass Balance (CMB) Model EPA-CMBv8.2 is one of several receptor models that has been applied to air quality problems over the last two decades. Based on an effective-variance least squares ...

50. Climate Predictability Tool [COLUMBIA_IRI_CPT]
The Climate Predictability Tool (CPT) is a software package for constructing a seasonal climate forecast model, performing model validation, and producing forecasts given updated data. Its design ...

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