Showing 1 - 32 of 32

1.
VISCREEN - Plume Screening Model [VISCREEN-Model]

VISCREEN calculates the potential impact of a plume of specified emissions for specific transport and dispersion conditions.

2.
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 ...

3.
VALLEY - Terrain Screening Model [VALLEY-Model]

(Summary adapted from EPA.)
VALLEY is a steady-state, complex terrain, univariate Gaussian plume
dispersion algorithm designed for estimating either 24-hour or annual
concentrations resulting from ...

4.
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 ...

5.
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 ...

6.
Shoreline Dispersion Model [SLAB-Model]

(Summary adapted from EPA.)
The SLAB model treats denser-than-air releases by solving the one-dimensional
equations of momentum, conservation of mass, species, and energy, and the
equation of state. ...

7.
Stanford Geostatistical Earth Modeling Software (S-GEMS) [SGEMS]

GEMS, the Geostatistical Earth Modeling Software, is an example of software built from scratch using the GsTL. The source code of GEMS serves as an example of how to use GsTL facilities.
GEMS was ...

8.
RTDM3.2 - Rough Terrain Diffusion Model [RTDM3.2-Model]

The Rough Terrain Diffusion Model (RTDM3.2) is a sequential Gaussian plume
model designed to estimate ground-level concentrations in rough (or flat)
terrain in the vicinity of one or more co-located ...

9.
SCREEN3 - Industrial Source Complex Model [SCREEN3_Model]

(Summary adapted from EPA.)
SCREEN3 a single source Gaussian plume model which provides maximum
ground-level concentrations for point, area, flare, and volume sources, as well
as concentrations in ...

10.
OZIPR Model [OZIPR-Model]

(Summary adapted from EPA.)
OZIPR is based on EPA's Ozone Isopleth Plotting Program (OZIPP) Model, but
contains improved and expanded capabilities that make the model useful for
research purposes. ...

11.
OCD - Offshore and Coastal Dispersion Model [OCD_Model]

(Summary adapted from EPA.)
OCD (Offshore and Coastal Dispersion Model) a straight line Gaussian model
developed to determine the impact of offshore emissions from point, area or
line sources on ...

12.
HYbrid ROADway Model [HYROAD-Model]

(Summary adapted from EPA.)
The HYbrid ROADway Model (HYROAD) integrates three historically individual
modules that simulate the effects of traffic, emissions and dispersion. The
traffic module ...

13.
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 ...

14.
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 ...

15.
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.

16.
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 ...

17.
Complex Terrain Dispersion Model Plus Algorithms for Unstable Situations [CTDMPLUS-Model]

Complex Terrain Dispersion Model Plus Algorithms for Unstable Situations (CTDMPLUS) is a refined point source gaussian air quality model for use in all stability conditions for complex terrain. The ...

18.
Complex Terrain Screening Model [CTSCREEN-Model]

CTSCREEN is a Gaussian plume dispersion model designed as a screening technique for regulatory application to plume impaction assessments in complex terrain. CTSCREEN is a screening version of the ...

19.
CAL3QHC/CAL3QHCR- A Versatile Dispersion Model for Predicting Carbon Monoxide Levels Near Highways and Arterial Streets [CAL3QHC_Model]

CAL3QHC is a CALINE3 based CO model with queuing and hot spot calculations and with a traffic model to calculate delays and queues that occur at signalized intersections; CAL3QHCR is a more refined ...

20.
Bouyant Line and Point Source Model [BLP-Model]

Bouyant Line and Point Source Model (BLP) is a Gaussian plume dispersion model designed to handle unique modeling problems associated with aluminum reduction plants, and other industrial sources where ...

21.
AERMOD Modeling System [AERMOD_Model]

The American Meteorological Society/Environmental Protection Agency Regulatory Model Improvement Committee (AERMIC) was formed to introduce state-of-the-art modeling concepts into the EPA's air quality ...

22.
AFTOX (Air Force Toxics Model) [AFTOX-Model]

AFTOX (Air Force Toxics Model) is a Gaussian dispersion model that will handle continuous or instantaneous liquid or gas elevated or surface releases from point or area sources. Output consists of ...

23.
SPAtially Referenced Regressions On Watershed Attributes (SPARROW) Modeling of Surface-Water Quality [01-usgs_sparrow-01]

The SPARROW method uses spatially referenced regressions of contaminant
transport on watershed attributes to support regional water-quality assessment
goals, including descriptions of spatial and ...

24.
Operational Nowcast and Forecast Hydrodynamic Model Systems [NOAA_OFS]

The primary objective of the National Operational Coastal Modeling Program (NOCMP) is to develop and operate a national network of Operational Nowcast and Forecast Hydrodynamic Model Systems (called ...

25.
ISC3 - Industrial Source Complex Model [ISC3_Model]

ISC3 is a steady-state Gaussian plume model which can be used to assess pollutant concentrations from a wide variety of sources associated with an industrial complex. This model can account for the ...

26.
Earth System Model [GFDL_ESM]

ESM2.1, evolved directly from GFDL’s successful CM2.1 climate model (Delworth et al. 2006 ). Building on this, we produced two new models representing ocean physics with alternative numerical ...

27.
ADAM - Air Force Dispersion Assessment Model [ADAM-Model]

The Air Force Dispersion Assessment Model (ADAM) is a modified box and Gaussian dispersion model which incorporates thermodynamics, chemistry, heat transfer, aerosol loading, and dense gas effects. ...

28.
Matlab OSLO Toolkit [NASA_Matlab_OSLO]

The Matlab-OSLO toolkit is a set of Matlab scripts and functions which enable rapid transfer of optical system and performance data into the Matlab environment from OSLO optical software. Typical ...

29.
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 ...

30.
Wildlife Habitat Benefits Estimation Toolkit [WHPRP]

The Wildlife Habitat Benefits Estimation Toolkit, developed in collaboration between economists at Defenders of Wildlife and Colorado State University under a grant from National Council for Science ...

31.
Land Transformation Model [PURDUE_LTM]

The Land Transformation Model is a land use forecasting model as well as a tool that can be used to examine the spatial and temporal aspects of driving forces of land use change. The model uses a ...

32.
Hydrologic Engineering Centers River Analysis System [HEC-RAS]

The Hydrologic Engineering Centers River Analysis System (HEC- RAS) llows you to perform one-dimensional steady flow, unsteady flow, sediment transport/mobile bed computations, and water temperature ...

Showing 1 through 32 of 32