Web Directory

» A Dispersion Model for Coastal Zones and Complex Terrain
   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
   http://www.hku.hk/rss/res_proj/16/16.htm

» AJ Design Software
   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.
   http://www.ajdesigner.com/phpdispersion/point_space_equation.php

» ARIA Technologies
   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.
   http://www.aria.fr/english/logiciels/index.html

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

» Air Dispersion Modeling, Inc.
   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.
   http://www.air-dispersion-model.com

» BEE-Line Software
   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 Window
   http://www.beeline-software.com/

» BREEZE Software and Meteorological Data Services
   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 sui
   http://www.breeze-software.com

» CAMEO
   Computer-Aided Management of Emergency Operation (CAMEO) is a software package developed by NOAA and U.S. EPA for planning responses to chemical accidents. Includes the ALOHA dispersion model for neutrally buoyant or heavier-than-air gases.
   http://response.restoration.noaa.gov/topic_subtopic_entry.php?RECORD_KEY%28entry_subtopic_topic%29=entry_id,subtopic_id,topic_id&entry_id(entry_subtopic_topic)=520&subtopic_id(entry_subtopic_topic)=24&topic_id(entry_subtopic_topic)=1

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

» DIPCOT
   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://milos.ipta.demokritos.gr/DIPCOT.htm

» Danish Operational Street Pollution Model - OSPM
   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.
   http://www.dmu.dk/1_viden/2_Miljoe-tilstand/3_luft/4_Spredningsmodeller/5_OSPM/default_en.asp

» EXSIM
   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
   http://www.exsim-consultants.com/

» Environmental Software and Services GmbH
   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 shor
   http://www.ess.co.at/AIRWARE/

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

» ImmProg2000 Dispersion Models
   A set of dispersion models developed by AirInfo Gmbh, Switzerland to meet the recommendations of the Swiss and German meteorological services. All of the models are Gaussian and they include: a point-source model; a line-source model for vehicles on roads
   http://www.airinfo.ch/

» LASAT
   Developed by Janicke Consulting (located in Danum, Germany), the Lagrangian Simulation of Aerosol Transport (LASAT) model utilizes stochastic processes to simulate numerically the transport and turbulent diffusion of a group of representative particles. L
   http://www.janicke.de/en/lasat.html

» Lakes Environmental
   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 trai
   http://www.weblakes.com

» Online Version of Tox-Flam Model
   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
   http://www.enviroware.com/enviweb/models/online/toxflam/toxflam.htm

» PROKAS
   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
   http://www.lohmeyer.de/air-eia/models/prokas.htm

» Petersen & Kade
   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 regu
   http://www.petersen-kade.com/

» Polair
   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.
   http://www.odotech.qc.ca/polair/polair_en.pdf

» SCIPUFF Model
   The Titan Systems Corporation has developed a Lagrangian puff dispersion model. It employs second-order closure turbulence modeling techniques to relate the dispersion rate to velocity fluctuation statistics.
   http://www.breeze-software.com/SCIPUFF/

» Safer Systems
   Offers SAFER, an advanced plume measurement and monitoring solution that integrates real-time weather and sensor data. Technical support and training are available.
   http://www.safersystem.com/

» Soft Fund Ltd.
   EOL-2000 is an integrated system for the evaluation of air pollution produced from industrial sources. It provides full-functional modelling environment. Implements OND-86 regulatory dispersion model. English shareware version is available.
   http://www.sfund.kiev.ua/eng/products/ecology.htm

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

» The ALOHA Model
   The Areal Location of Hazardous Atmospheres model (ALOHA) was developed by the USA's National Oceanic and Atmospheric Administration (NOAA) for use in emergency responses to accidental releases of neutrally buoyant or heavier-than-air gases.
   http://response.restoration.noaa.gov/topic_subtopic_entry.php?RECORD_KEY%28entry_subtopic_topic%29=entry_id,subtopic_id,topic_id&entry_id(entry_subtopic_topic)=518&subtopic_id(entry_subtopic_topic)=24&topic_id(entry_subtopic_topic)=1

» The AirQUIS Model
   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 sourc
   http://www.nilu.no/airquis/

» The CAPARS System
   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 ha
   http://www.alphatrac.com/

» The DEGADIS model
   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 DEGADI
   http://www.ess.co.at/HITERM/MODELS/degadis.html

» The DREAM Model
   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, dispersio
   http://www.dmu.dk/AtmosphericEnvironment/WEPTEL/DREAM/

» The FLACS Explosion Model
   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.
   http://www.gexcon.com/index.php?src=flacs/flacs.html

» The Indic-Airviro System
   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
   http://www.indic-airviro.smhi.se/

» The OML Model
   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 s
   http://www.dmu.dk/AtmosphericEnvironment/oml/OMLlong.htm

» The Oklahoma Dispersion Model
   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 distance
   http://agweather.mesonet.ou.edu/models/dispersion/default.html

» The PHAST Software
   Developed by Det Norske Veritas (DNV) of Oslo, Norway, the PHAST software includes: a unified dispersion model (UDM) for various accidental releases; modeling of Bleves, jet fires, pool fires and vapor cloud explosions; handling of multicomponent mixtures
   http://www.dnv.com/services/software/news/2007/phast653released.asp

» The PlantSafe System
   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 di
   http://www.geospheresystems.com/product/plantsafe.html

» The SLAB Model
   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. T
   http://www.ess.co.at/HITERM/MODELS/slab.html

» Volcanic Ash Forecasting
   The Nuclear Accident Model (NAME) is an essential part of the contingency plans for accidental releases of radioactivity into the atmosphere. It is also used to forecast the behaviour and trajectory of a volcanic ash plume.
   http://www.metoffice.gov.uk/aviation/vaac/forecasting.html

» Wölfel Software
   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.
   http://www.woelfel.de/en/products/modelling-software/immi-noise-mapping.html

» YSA Atmospheric Modeling
   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 t
   http://ysasoft.com/software/software.htm