| Directory > Science > Environment > Air Quality > Air Dispersion Modeling Regulatory air dispersion models in Australia
Reviews and guide (provided by the University of New South Wales in Australia) to regulatory air
dispersion models used in Australia for odour dipersion modelling and impact assessment.
http://www.odour.unsw.edu.au/odour-dispersion-model.html
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The Nuclear Accident Model (NAME)
Developed by the United Kingdom's Meteorological Office, the NAME model is part of the contingency
plans in the event of accidental releases of radioactivity into the atmosphere: to provide early
warning for the guidance of emergency services; and to predict concentrations, depositions and
dosages of radionuclides as input to impact assessments.
http://www.met-office.gov.uk/research/nwp/publications/nwp_gazette/3rd96/name2.html
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The CAMP Research Program
The George Mason University in Virginia has a research program called CAMP (Comprehensive
Atmospheric Modeling Program). The focus of the program, funded by the U.S. Defense Department, is
on atmospheric transport and dispersion of releases of nuclear, biological, and chemical agents. A
wide range of available air dispersion models will be acquired and evaluated.
http://squall.scs.gmu.edu/camp/
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Directory of Atmospheric Transport and Diffusion Consequence Assessment Models
An extensive directory (March 1999 issue) of atmospheric dispersion models produced by the Office
of the Federal Coordinator for Meteorology (OFCM), National Oceanic and Atmospheric Administration.
http://www.ofcm.gov./atd_dir/pdf/frontpage.htm
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The Complete Gaussian Equation
Presents the detailed, complete equation for Gaussian air dispersion modeling, including:
cross-wind dispersion parameter, vertical dispersion parameter due to reflection from the ground,
and vertical dispersion parameter due to reflection from an inversion lid aloft.
http://www.air-dispersion.com/Gaussian.html
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Atmospheric Dispersion of Chemicals (E-mail Discussion List)
Atmospheric Dispersion of Chemicals is an e-mail discussion list where people working in the field
of atmospheric dispersion modeling can exchange experiences.
http://listserv.surfnet.nl/archives/AtmosphericDispersion.html
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Dispersion Modeling Guidance
Local Air Quality Management (LAQM) guidance document published by the United Kingdom's Department
for Environment, Food and Rural Affairs. Annex 3 contains guidance on dispersion modeling.
http://www.defra.gov.uk/environment/airquality/laqm/guidance/pdf/laqm-tg03.pdf
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Los Alamos National Laboratory (LANL) Air Quality Team
The team is part of the Technology & Safety Assessment (TSA-4) Division of the LANL. The air
quality team works with meteorological, air chemistry, plume dispersion, computational fluid
dynamics, and emissions models. The site includes model descriptions as well as the names, email
addresses and functions of all the key personnel.
http://www.lanl.gov/orgs/d/d4/aquality/airquality.html
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National Atmospheric Release Advisory Center
Located at the University of California's Lawrence Livermore National Laboratory (LLNL), the
National Atmospheric Release Advisory Capability (NARAC) is a national emergency response service
for real-time assessment of incidents involving accidental releases of nuclear, chemical,
biological, or natural hazardous material. Additional information is available at
http://www.llnl.gov/str/Baskett.html
http://narac.llnl.gov
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European Environmental Agency: Urban Air Dispersion Models
A discussion of the algorithms used in urban air dispersion models such as: area source and
elevated point source models; street canyon and highway sub-models; plume rise; converting one
averaging time to another ... all contained in an annex of a report published by the European
Environmental Agency headquartered in Copenhagen, Denmark.
http://reports.eea.eu.int/TEC11a/en/page014.html
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Logic Diagram For Using Briggs' Plume Rise Equations
This online technical article chronicles the evolution of Briggs' plume rise equations and provides
a logic diagram for using the Briggs equations to calculate the plume rise of bent-over buoyant
plumes. The same website has four more online technical articles.
http://www.air-dispersion.com/briggs.html
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Dispersion Modeling Conversions and Formulas
This online technical article provides a number of useful unit conversions and formulas pertaining
to air dispersion modeling. The same website includes five more online technical articles.
http://www.air-dispersion.com/formulas.html
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Workbook on Atmospheric Dispersion Estimates
The revised second edition of D. Bruce Turner's book provides an understanding of dispersion
modeling as currently practiced. The book and accompanying diskette explain: how to determine the
impact of air pollution sources; the effects of wind, turbulence and plume rise; and Gaussian
dispersion and its limitations.
http://www.crcpress.com/us/product.asp?sku=L1023&dept%5Fid=1
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StadtKlima: The International Association For Urban Climate
A list of air quality and air pollution dispersion models with descriptions, details and contacts
for obtaining further information. Most of the listed models were developed in Germany, and the
StadtKlima Association is headquartered at the University of Freiburg in Germany.
http://www.stadtklima.de/webklima/EN/E_1tools.htm
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SCRAM Public Forum
The U.S. EPA's SCRAM website public discussion forum (moderated) for all aspects of the EPA's
various air pollution dispersion models.
http://yosemite1.epa.gov/oar/Forums.nsf/Forum/SCRAMByTopic?OpenView&CollapseView
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European Environmental Agency: List of Air Dispersion Models
An extensive list of European air dispersion models contained in an appendix of a report published
by the European Environmental Agency headquartered in Copenhagen, Denmark.
http://reports.eea.eu.int/92-9167-028-6/en/page008.html
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Source Terms for Accidental Releases
This online technical article provides the source term equations (and explains how to use them) for
calculating the flow rates from a number of different types of accidental gaseous releases. The
same website has five other online technical articles.
http://www.air-dispersion.com/source.html
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AQM Resource Centre
The Air Quality Management (AQM) Resource Centre is maintained at the University of the West of
England in Bristol, England. It provides much useful information, including brief descriptions of
many British and USA air dispersion models.
http://www.uwe.ac.uk/aqm/centre/model.html
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The CAPARS System
The Computer-Assisted Protective Action Recommendation System (CAPARS) is an integrated model for
predicting the path and impacts of an atmospheric release of hazardous materials. It is used by a
Regional Atmospheric Response Center (RARC) in Denver, Colorado, funded by the U.S. Dept. of
Energy, to tell their staff where the plume will go, when it will arrive, how serious the impacts
may be, and what protective actions to take.
http://www.rarc.org/Overview/CAPARSSummary.HTML
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Atmospheric Dispersion Modeling Liaison Committee
A United Kingdom committee of members from government departments and agencies, nuclear industries
and research organizations. The committee's purpose is to review current understanding of
atmospheric dispersion and to identify suitable models for use primarily in authorization or
licensing, in the context of atmospheric discharges from nuclear industry activities.
http://www.nrpb.org.uk/projects/admlc/admlc.htm
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Dispersion Modeling Feature Articles
This section of the Environmental-Expert.com site has a searchable index of feature articles
concerning air pollution, including feature articles on dispersion modeling.
http://www.environmental-expert.com/article-index.htm
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U.S. EPA's Air Quality Modeling Group
The Group is responsible for leadership on the full range of the EPA's air dispersion models. It
also serves as the focal point on modeling techniques for other EPA headquarters staff, Regional
Offices, and State and local agencies. The names, email addresses and functions of all the key
personnel in the Group are provided.
http://www.epa.gov/oar/oaqps/organization/emad/aqmg.html
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The Laboratory for Atmospheric Research
Located at the Washington State University (in Pullman, Washington, USA), the Laboratory for
Atmospheric Research (LAR) investigates the fundamental nature of pollutant transport and
dispersion through a combination of halogenated tracer field programs and advanced numerical
modeling.
http://www.ce.wsu.edu/LAR/LARresearch/PTD/PTD.htm
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The Aerospace Corporation
The Environmental Systems division of the Aerospace Corporation has developed a model validation
program (MVP) for improving the toxic hazard dispersion models used at space vehicle launch sites
(Cape Canaveral in Florida and Vandenberg Air Force Base in California). Launch cloud and
atmospheric tracer data collected by the MVP were used to test and upgrade the dispersion model
predictions.
http://www.aero.org/envsys/MVP.html
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Omni - Air Pollution Modeling In Practice
Omni is a demonstrator site for disseminating modeled and monitored air pollution data in an
accessable form. Details of methodology are included. The data covers the London, England area.
http://www.seiph.umds.ac.uk/omni.htm
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UCR Air Quality Modeling Group
The mechanical engineering department of the University of California at Riverside (UCR) has an air
quality modeling group performing research in the development and application of small-scale
dispersion models, as well as the development of simplified and comprehensive photochemical models.
http://www.engr.ucr.edu/mechanical/
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Dispersion Modeling Research at Madrid's Polytechnical University
Describes the dispersion modeling research programs of the Environmental Software and Modeling
Group in the Computer Science School at the Polytechnical University in Madrid, Spain. Of interest
is the IMW program which is a Visual Basic model based on the U.S. EPA's ISCT3 model that was
developed by this group.
http://artico.lma.fi.upm.es/research.html
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Multiplan R&F
Based in the Abu Dhabi, United Arab Emirates and with an office in Rueil-Malmaison,France, this
firm's services include health, safety and environmental (HSE)training courses either online or
onsite. Courses are available in air dispersion modeling, HAZOP's, quantitative risk assessment,
and environmental management.
http://www.multiplan.co.ae/pr01.htm
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The GAIA Air Dispersion Model Database
A database of 27 different air dispersion models. Each model entry includes: a description, where
to obtain the software, the original authors, and literature references pertaining to the model.
Sponsored by a consortium of 10 countries in Europe, Africa, Asia and Latin America.
http://www.ess.co.at/GAIA/models/aria.htm
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Literature References on Lagrangian Air Dispersion Modeling
A comprehensive list of literature references on Lagrangian air dispersion modeling, compiled by
Dr. Marek Uliasz.
http://www.frii.com/~uliasz/modeling/ref/lpd_bib.htm
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Pollution Meteorology and Dispersion
Publicizes the book "Air Pollution Meteorology and Dispersion" ... a review of the basic
theories, models, experiments, and observations of pollutant dispersal in the atmosphere.
http://www.oup-usa.org/docs/0195073983.html
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Literature References on Mesoscale Meteorology
A comprehensive list of literature references on mesoscale meteorology compiled by Dr. Ming Xue,
many of which relate to various aspects of air dispersion modeling.
http://twister.ou.edu/References.all.html
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Atmospheric Dispersion Modeling Resources
A report published in 1995, "Atmospheric Dispersion Modeling Resources", can be
downloaded from this site. It includes descriptions, contact people, and other details about 94
dispersion models. The report was developed by the: Subcommittee on Consequence Assessment and
Protective Action (SCAPA), of the Emergency Management Advisory Committee, of the U.S. Department
of Energy.
http://www.scapa.bnl.gov/
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Calculating Accidental Release Flow Rates from Pressurized Gas Systems
This online technical article presents and explains two published source-term models for
calculating the time-dependent decrease in pressure, temperature and weight of gas in a pressurized
gas system or vessel during an accidental release. The same website includes five other online
technical articles.
http://www.air-dispersion.com/feature2.html
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CSIRO's Atmospheric Pollution Program
The program is part of the Commonwealth Scientific and Industrial Research Organization (CSIRO) in
Australia. Within the program, a Pollution Dispersion team: studies the Lagrangian theory of
turbulent dispersion; conducts laboratory and field studies of convective boundary layer growth,
turbulence, and dispersion; and develops advanced air dispersion models utilizing ideas from the
Lagrangian theory studies and from the laboratory and field studies.
http://www.dar.csiro.au/res/aq/default.htm
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Old Dominion University and the ISC3 Dispersion Models
Describes a graphical user interface (GUI), developed by the Civil Engineering Department of the
Old Dominion University, for using the U.S. EPA's ISC3 models in the Microsoft Windows environment.
Presents an excellent discussion of the ISC3 models including: input requirements, dispersion
options, source options, receptor options, meteorology options, and output options.
http://www.cee.odu.edu/air/isc3/odu_isc3.html
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Atmospheric Research and Information Centre (ARIC)
Based at the Manchester Metropolitan University in the United Kingdom, ARIC is a research center
for study of atmospheric pollution issues caused by industrial, power generation, and
transportation sources. ARIC focuses on the basic elements of the science: emission
characterization and estimation; ambient air monitoring; predictive modeling; and control
technologies.
http://www.doc.mmu.ac.uk/aric/index.html
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NOAA's Air Resources Laboratory (ARL)
Within the U.S.'s National Oceanic and Atmospheric Administration (NOAA), the ARL conducts research
on the transport, dispersion, transformation, and removal of atmospheric pollutants ... leading to
the development of air quality and dispersion models. The ARL also supports other U.S. agencies. In
particular, the ARL's Atmospheric Turbulence & Diffusion Division (ATTD) and Atmospheric
Sciences Modeling Division (ASMD) support the U.S. EPA in developing regulatory air dispersion
models.
http://www.arl.noaa.gov
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Finnish Meteorological Institute
The activities of the Air Quality Research department at the Finnish Meteorological Institute (FMI)
include atmospheric dispersion modeling for: urban air quality, regional and long-range transport,
and accidents involving hazardous materials.
http://www.fmi.fi/research_air/air.html
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Error Propagation in Air Dispersion Modeling
This online technical article provides a sensitivity study of the Gaussian dispersion modeling of
continuous, buoyant pollution plumes which illustrates how seemingly minor changes in some of the
key variables can result in a propagated over-prediction factor ranging from 6 to 80. The same
website has five more online technical articles.
http://www.air-dispersion.com/feature.html
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Risoe National Laboratory, Denmark
The Atmospheric Transport & Exchange section of the Risoe laboratory performs research into
boundary-layer meteorology and atmospheric turbulence, and into environmental problems related to
the transport of airborne pollutants. Typical research tasks are: dispersion of smoke puffs and
plumes; dispersion of heavier-than-air plumes; and real-time dispersion modeling for emergency
managing support.
http://www.risoe.dk/vea-atu
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Certified Consulting Meteorologists
Provides directories by state and by speciality of the Certified Consulting Meteorologist members
of the American Meteorological Society, many of whom specialize in air pollution dispersion
modeling analyses and studies.
http://www.ametsoc.org/AMS/memb/ccm/ccmhmfrm.html
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Air Quality Control Company (AQCC)
Founded in 1993 by the Municipality of Tehran, Iran, the primary role of AQCC is providing
research, consultation, planning and implementation of services regarding air and noise pollution
in Tehran.
http://www.aqcc.org/index.htm
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U.S. EPA's Support Center for Regulatory Air Models
The U.S. Environmental Protection Agency uses this site to provide information on the many
dispersion models supporting regulatory programs required by U.S. law. All of the EPA's dispersion
models and their Users' Manuals can be downloaded cost-free from here. An online forum is also
provided for discussion/questions/answers on all aspects of the EPA's models.
http://www.epa.gov/ttn/scram/
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Atmospheric Pollution Dispersion Modeling
Publicizes the book "Fundamentals Of Stack Gas Dispersion" ... a comprehensive
single-source reference book on dispersion modeling of continuous, buoyant pollution plumes.
Includes published peer reviews, complete Table of Contents, and information about how to obtain
copies.
http://www.air-dispersion.com
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