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Science > Environment > Air Quality > Air Dispersion Modeling > Software

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A Dispersion Model for Coastal Zones and Complex Terrain - http://www.hku.hk/rss/res_proj/16/16.htm
A description of the research program in the Mechanical Engineering Department at the University of Hong Kong that led to the development of a comprehensive air dispersion model for use in coastal zones and complex terrain such as exists in the Hong Kong area.

Air Dispersion Modeling, Inc. - http://www.air-dispersion-model.com
A firm in Oakton, Virginia selling a line of air pollution dispersion modeling software that includes: ISC View, RMP View, SCREEN View, SLAB View and SLAB View 3D ... all of which are U.S. EPA models adapted for use with Windows by Lakes Environmental.

AJ Design Software - http://www.ajdesigner.com/phpdispersion/point_space_equation.php
AJ Design Software is located in Albuquerque, New Mexico, USA and their web site has a number of free, online calculators for solving various atmospheric dispersion modeling algorithms.

ARIA Technologies - http://www.aria.fr/english/logiciels/index.html
A French firm of environmental consultants and developers of air dispersion modeling software ranging from small-scale local models to industrial models to regional models.

BEE-Line Software - http://beeline-software.com
BEE-Line Software is located in Asheville, North Carolina, USA and markets air dispersion modeling software with training and technical support. They specialize in creating user-intuitive versions of EPA air dispersion models for application in the Windows environment.

BREEZE Software and Meteorological Data Services - http://www.breeze-software.com
BREEZE markets the software developed by Trinity Consultants of Dallas, Texas, USA. They offer air quality modeling software, meteorological data, training and support. Among the software packages offered are those based on the US EPA's ISC and AERMOD suites. Software for continuous releases, accidental toxic and flammable chemical releases, and explosion safety is available.

Cambridge Environmental Research Consultants - http://www.cerc.co.uk/software/index.htm
Scientific consultants in the field of atmospheric dispersion located in Cambridge, England.. They offer a range of air dispersion models including: ADMS 3 for dispersion of industrial emissions; ADMS-SCREEN for initial screening studies of emission dispersion; and GASTAR for dispersion of accidental dense gas releases.

Canarina Algoritmos Numericos - http://www.canarina.com/airpollutiondispersion.htm
Environmental software developers, located in Tenerife, Canary Islands, Spain, and whose products include an air pollution dispersion modelling program called DISPER.

Danish Operational Street Pollution Model - OSPM - http://www.dmu.dk/1_viden/2_Miljoe-tilstand/3_luft/4_Spredningsmodeller/5_OSPM/default_en.asp
OSPM is a street pollution model, developed by the National Environmental Research Institute, Department of Atmospheric Environment of Denmark. A free evaluation version of OSPM with a Windows user interface can be downloaded.

Environmental Software and Services GmbH - http://www.ess.co.at/AIRWARE/
A software development and research company based in Austria who offer the AirWare integrated system which includes: an emissions database; data management for inputs from external meteorological and air quality monitors; the U.S. EPA's ISC2 and ISC3 short-term and long-term air dispersion models; a geographical information system (GIS) module; and assessment and reporting modules.

Federal Aviation Administration's Dispersion Modeling Program - http://www.faa.gov/about/office_org/headquarters_offices/aep/models/edms_model/
Discusses the EDMS (Emissions and Dispersion Modeling System) developed by the U.S.'s Federal Aviation Administration (FAA) and how to order copies.

http://milos.ipta.demokritos.gr/DIPCOT.htm - http://milos.ipta.demokritos.gr/DIPCOT.htm
A three-dimensional Lagrangian model for dispersion over complex terrain. It was developed in Greece by the Environmental Research Laboratory (EREL) which is part of the Greek National Center for Scientific Research (DEMOKRITOS).

http://www.atmpro.be - http://www.atmpro.be
A distributor of air dispersion modeling and other environmental software located in Nivelles,Belgium.

http://www.exsim-consultants.com/ - http://www.exsim-consultants.com/
A mathematical model that predicts the overpressure (explosion) generated by the accidental release and ignition of a gas cloud in a congested area of an industrial plant onshore, or offshore on oil drilling platforms. The model was developed by Shell Oil Global Solutions in England and by the Telemark Technological research and development Center (Tel-Tek) in Norway.

http://www.lohmeyer.de/air-eia/models/prokas.htm - http://www.lohmeyer.de/air-eia/models/prokas.htm
An emission factors model (as per the German Emission Factors Handbook) coupled with a Gaussian air dispersion model, PROKAS is used to calculate air pollutant concentrations caused by automotive traffic on a network of streets. Documentation is available from Lohmeyer Consulting Engineers of Karlsruhe, Germany.

http://www.odotech.qc.ca/polair/polair_en.pdf - http://www.odotech.qc.ca/polair/polair_en.pdf
An integrated model (offered by ODOTECH of Montreal, Canada) which includes a choice of mapping, meteorological data input and editing, and Gaussian or Puff dispersion modeling from point, line or area sources.

Lakes Environmental - http://www.weblakes.com
Located in Ontario, Canada, this firm provides easy-to-use air dispersion modeling, emissions inventory and risk assessment software for Windows. These include AERMOD View, CALPUFF View, Emissions View, IRAP-h View and SLAB View. Software support and training are also available.

Online Version of Tox-Flam Model - http://www.enviroware.com/enviweb/models/online/toxflam/toxflam.htm
Provides an online version of the Tox-Flam model for the use of any visitor to this website. Tox-Flam is a Gaussian dispersion model for releases of inert buoyant pollutants into a finite mixing layer of a user-specified height. The model was developed by Enviroware s.r.l.

Petersen & Kade - http://www.petersen-kade.com/
A firm located in Hamburg, Germany which markets air dispersion modeling software that meets the standards developed by: the Association of German Engineers (Verband Deutscher Ingenieure, or simply VDI), and by Germany's Federal air pollution control regulations (known as TA Luft).

Support Center for Regulatory Air Models - http://www.epa.gov/scram001/
Extensive information from U.S. EPA on air pollution modeling software. Detailed description of mathematical models, guidance and other technical papers.

The AirQUIS Model - http://www.nilu.no/airquis/
The Norwegian Institute for Air Research (NILU) has developed an Air Quality Information System (AirQUIS) having: an emission inventory data base; dispersion models; and a geographical information system (GIS) module. The dispersion models include a source oriented model (EPISODE), a puff-trajectory model, and models for traffic in street canyons and on roads (ROADAIR and CONTILENK).

The CAPARS System - http://www.alphatrac.com/
Developed by AlphaTRAC, the Computer-Assisted Protective Action Recommendation System (CAPARS) provides plume extent, weather, hazard, and related information needed to support all levels of emergency management and response to an accidental release of hazardous gas. AlphaTRAC is located in Westminster, Colorado, USA.

The DEGADIS model - http://www.ess.co.at/HITERM/MODELS/degadis.html
Dr. Tom Spicer and Dr. Jerry Havens of the University of Arkansas developed this model (for the U.S. Coast Guard and the Gas Research Institute) primarily for simulating the dispersion of denser-than-air flammable gases. The U.S. EPA later extended DEGADIS for dispersion modeling of vertical jets. Implementation of DEGADIS on personal computers was sponsored by the Gas Research Institute and the American Petroleum Institute.

The DREAM Model - http://www.dmu.dk/AtmosphericEnvironment/WEPTEL/DREAM/
The Danish Rimpuff and Eulerian Accidental release Model (DREAM), developed by the National Environmental Research Institute (NERI) of Denmark, is a high-resolution, three-dimensional tracer model for short and large scale atmospheric transport, dispersion, and deposition (wet and dry) of radioactive air pollution from a single strong source.

The FLACS Explosion Model - http://www.gexcon.com/index.php?src=flacs/flacs.html
FLACS (FLame ACceleration Simulator) is an advanced tool for the modeling of ventilation, gas dispersion, vapour cloud explosions and blast in complex process areas. It was developed by GexCon AS of Norway.

The Indic-Airviro System - http://www.indic-airviro.smhi.se/
The Swedish Meteorological and Hydrological Institute (SMHI) developed a dispersion modeling system with modules for: receiving input data from monitoring stations; an emission data base; and dispersion modeling. The dispersion module has a Gaussian model for small-scale applications, a grid model for large-scale regional applications, a street canyon model for emission sources surrounded by buildings, and a dense gas module.

The MIDAS Models - http://www.absconsulting.com/midas/advantage.html
Dispersion models, offered by ABS Consulting (from their office in Bethesda, Maryland, USA), for routine and accidental airborne releases. Versions available are: quick-running plume model, urban dispersion model and inside building model. Real-time displays of the dispersing plume on site-specific maps.

The Oklahoma Dispersion Model - http://agweather.mesonet.ou.edu/models/dispersion/default.html
A simple model developed at the Oklahoma State University (in the USA) to assess the atmosphere's ability to disperse gases and particulates released at near ground level. The focus of the model is to evaluate downwind pollutant concentrations at distances of 1/4 mile to 2 miles (although greater distances would apply).

The OML Model - http://www.dmu.dk/AtmosphericEnvironment/oml/OMLlong.htm
A Gaussian plume model developed by Denmark's National Environmental Research Institute (NERI) that is recommended for environmental impact assessments of any planned new industrial sources. The model can be used at distances up to 20 km for high or low sources, one or more point sources, or area sources. It is not suitable for complex terrain and it requires input data on emissions and meteorology on an hourly basis.

The PlantSafe System - http://www.geospheresystems.com/product/plantsafe.html
Developed by GeoSphere Systems located in Doylestown, Pennsylvania, USA, the PlantSafe System is a rapid decision-support tool for managing a variety of critical situations including accidental releases and similar plant emergencies. It includes an air dispersion model called QuikPlume.

The SLAB model - http://www.ess.co.at/HITERM/MODELS/slab.html
This software models the dispersion of dense gas releases from an evaporating pool, a horizontal jet, a vertical jet, or an instantaneous volume source. The dispersion is calculated from the conservation equations of mass, momentum, energy, and species. The conservation equations are spatially averaged to treat the cloud as either a continuous plume, a transient puff, or a combination of the two depending on the release duration. SLAB was developed by the USA's Lawrence Livermore National Laboratory.

Wölfel Software - http://www.woelfel.de/en/products/modelling-software/immi-noise-mapping.html
Wölfel is the developer and distributor of the IMMI noise and air dispersion modeling software. The company is headquartered in Berlin, Germany with an international office in Eupen, Belgium.

YSA Atmospheric Modeling - http://ysasoft.com/software/software.htm
Yamada Science and Art Corporation (YSA), located in Santa Fe, New Mexico, USA, specializes in computer modeling of atmospheric airflows and the dispersion of airborne materials over complex terrain. YSA developed, markets, and provides user support for the three-dimensional atmospheric models HOTMAC and RAPTAD.

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