Surf these sites: Air Pollution Dispersion Modeling -- Publicizes the book "Fundamentals Of Stack Gas Dispersion" a 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. 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. Atmospheric Release Advisory Capability -- Located at the University of California''s Lawrence Livermore National Laboratory (LLNL), the Atmospheric Release Advisory Capability (ARAC) is a national emergency response service for real-time assessment of incidents involving accidental releases of nuclear, chemical, biological, or natural hazardous material. Atmospheric Research & Information Centre, -- Manchester Metropolitan University''s multidisciplinary centre of excellence for the study and resolution of atmospheric pollution issues. United Kingdom. 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. Calculating Accidental Release Flow Rates from Pressurized Gas Systems -- This 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. 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. Dispersion Modeling Feature Articles -- This section of the Environmental-Expert.com site provides up-to-date feature articles concerning air dispersion modeling. ETC-AQ Model Documentation System -- The European Topic Center on Air Quality (ETC-AQ) has developed a consistent system for describing air dispersion models, which now encompasses over 90 European models. The ECT-AQ is led by the National Institute of Health and Environment (RIVM) in the Netherlands, and includes: the Norwegian Institute of Air Research (NILU), the Norwegian Meteorological Institute (DNMI), and the National Observatory of Athens (NOA) in Greece. Error Propagation in Air Dispersion Modeling -- 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. 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. 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. Literature References on Lagrangian Air Dispersion Modeling -- A comprehensive list of literature references on Lagrangian air dispersion modeling, compiled by Dr. Marek Uliasz. 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. 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. 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. 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. 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. Online Version of SCREEN3 Model -- This site is maintained by Pacific Environmental Services who developed an online version of the U.S. EPA''s SCREEN3 air dispersion model, which is freely available for use by any visitor to the site. 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 Enviroware s.r.l. 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. 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. 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. STAPPA and ALAPCO Air Web -- Contains membership directories of all the STAPPA and ALAPCO standing committees ... in particular, the Emissions and Modeling Committee and the Air Toxics Committee. E-mail addresses are included for members of the Emissions and Modeling Committee. 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. The CHARM Research Program -- The George Mason University in Virginia has a research program called CHARM (Coordinated Hazardous Atmospheric Release Modeling). 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. The EcoSense Model -- An environmental impact model developed at the University of Stuttgart for the ExternE project of the European Union and other European nations. It assesses the environmental impacts and resulting external costs from electricity generation plants. It uses local or regional inputs from the EUROGRID database, and includes two air dispersion models. 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. 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. 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. 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. 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.
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