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Author : Patrick Shawn Sawyer
Publisher :
ISBN 13 :
Total Pages : 114 pages
Book Rating : 4.:/5 (181 download)
Download or read book Atmospheric Dispersion Model Validation for Low Wind Speed Conditions written by Patrick Shawn Sawyer and published by . This book was released on 2007 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Atmospheric Dispersion Model Validation in Low Wind Conditions written by and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Atmospheric plume dispersion models are used for a variety of purposes including emergency planning and response to hazardous material releases, determining force protection actions in the event of a Weapons of Mass Destruction (WMD) attack and for locating sources of pollution. This study provides a review of previous studies that examine the accuracy of atmospheric plume dispersion models for chemical releases. It considers the principles used to derive air dispersion plume models and looks at three specific models currently in use: Aerial Location of Hazardous Atmospheres (ALOHA), Emergency Prediction Information Code (EPIcode) and Second Order Closure Integrated Puff (SCIPUFF). Results from this study indicate over-prediction bias by the EPIcode and SCIPUFF models and under-prediction bias by the ALOHA model. The experiment parameters were for near field dispersion (less than 100 meters) in low wind speed conditions (less than 2 meters per second).
Author : D. Bruce Turner
Publisher : CRC Press
ISBN 13 : 0429612745
Total Pages : 183 pages
Book Rating : 4.4/5 (296 download)
Download or read book Workbook of Atmospheric Dispersion Estimates written by D. Bruce Turner and published by CRC Press. This book was released on 2020-12-17 with total page 183 pages. Available in PDF, EPUB and Kindle. Book excerpt: This completely updated and revised Second Edition of the popular Workbook of Atmospheric Dispersion Estimates provides an important foundation for understanding dispersion modeling as it is being practiced today. The book and accompanying diskette will help you determine the impacts of various sources of air pollution, including the effects of wind and turbulence, plume rise, and Gaussian dispersion and its limitations. Information is shown in summary graphs as well as in equations. The programs included on the diskette allow you to "get the feel" for the results you'll obtain through the input of various combinations of parameter values. The sensitivity of data to various parameters can be easily explored by changing one value and seeing the effect on the results. The book presents 37 example problems with solutions to show the estimation of atmospheric pollutant concentrations for many situations.
Author : Karl B. Schnelle
Publisher : McGraw-Hill Professional Publishing
ISBN 13 :
Total Pages : 570 pages
Book Rating : 4.3/5 (91 download)
Download or read book Atmospheric Dispersion Modeling Compliance Guide written by Karl B. Schnelle and published by McGraw-Hill Professional Publishing. This book was released on 2000 with total page 570 pages. Available in PDF, EPUB and Kindle. Book excerpt: CD-ROM includes: Practice problems that reinforces and deepen understanding of modeling principles.
Author : Argonne National Laboratory. Energy and Environmental Systems Division
Publisher :
ISBN 13 :
Total Pages : 112 pages
Book Rating : 4.:/5 (31 download)
Download or read book Dispersion Simulation Techniques for Assessing the Air Pollution Impacts of Ground Transportation Systems written by Argonne National Laboratory. Energy and Environmental Systems Division and published by . This book was released on 1974 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 196 pages
Book Rating : 4.:/5 (31 download)
Download or read book Summary Report on the NCAQ Atmospheric Dispersion Modeling Panel written by and published by . This book was released on 1980 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : D. Bruce Turner
Publisher :
ISBN 13 :
Total Pages : 96 pages
Book Rating : 4.:/5 (25 download)
Download or read book Workbook of Atmospheric Dispersion Estimates written by D. Bruce Turner and published by . This book was released on 1969 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : S. R. Hanna
Publisher :
ISBN 13 :
Total Pages : 58 pages
Book Rating : 4.3/5 (91 download)
Download or read book Review of Atmospheric Diffusion Models for Regulatory Applications written by S. R. Hanna and published by . This book was released on 1982 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Bruce A. Kunkel
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.3/5 (91 download)
Download or read book An Evaluation of the Ocean Breeze/Dry Gulch Dispersion Model written by Bruce A. Kunkel and published by . This book was released on 1984 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Ocean Breeze-Dry Gulch (OB/DG) atmospheric dispersion model is used extensively by the USAF Air Weather Service for predicting the hazard zone resulting from an accidental toxic chemical spill. This model is an empirical and statistical model derived from the Ocean Breeze, Dry Gulch, and Prairie Grass experiments conducted in the late 50's and early 60's. the USAF Scientific Advisory Board recently recommended that the OB/DG model be replaced with a current state-of-the-art dispersion model. This report represents the first step toward evaluating the OB/DG model and finding a suitable replacement. The hazard distances computed from the OB/DG model for different meteorological conditions are compared with the hazard distances calculated with the Shell Oil co. SPILLS model and a modified version of the model. In the modified Shell model, the discrete Pasquill stability categories are replaced with a continuous stability parameter, and surface roughness is included as a factor in defining the rate of cloud growth. The OB/DG model agrees quite favorably with the modified Shell model except at low wind speeds where it predicts considerably lower distances. The Shell model calculates generally larger distances and much greater fluctuations with wind speed, and therefore does not agree as well with the OB/DG model. The similarity in output between the modified Shell model and the OB/DG model lends support to further consideration of this model as a possible replacement to the OB/DG model.
Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (946 download)
Download or read book Results of the Independent Verification and Validation Study for the D2-Puff Model written by and published by . This book was released on 1999 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The D2-Puff atmospheric dispersion model was developed for use in estimating the downwind hazards resulting from accidental releases of toxic chemicals at U.S. Army chemical munitions storage depots. D2PC, the only model currently accredited for that purpose, assumes flat terrain and steady-state meteorological conditions. D2-Puff is intended to extend the D2PC methodology to complex terrain and variable meteorology in a user-friendly computer code. The independent verification and validation (IV & V) study of D2-Puff Version 2.0.6 focused on these accreditation requirements and the implicit requirement that the model provide safe-sided hazard estimates. The conclusion of the independent verification is that D2-Puff correctly implements the D2PC methodology in a convenient and easy-to-use computerized model that fully satisfies all of the specified operational requirements. The conclusion of the independent validation is that D2-Puff is unlikely to underestimate downwind hazards in terrain typical of that found in the vicinity of chemical depots. However, D2-Puff is likely to overestimate the time that it will take for a toxic cloud to travel more than a few kilometers downwind because the model does not consider the height variation of wind speed.
Author : R. H. Clarke
Publisher :
ISBN 13 :
Total Pages : 166 pages
Book Rating : 4.F/5 ( download)
Download or read book A Model for Short and Medium Range Dispersion of Radionuclides Released to the Atmosphere written by R. H. Clarke and published by . This book was released on 1979 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Leonidas G. Lavdas
Publisher :
ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.:/5 (319 download)
Download or read book An Atmospheric Dispersion Index for Prescribed Burning written by Leonidas G. Lavdas and published by . This book was released on 1986 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher : DIANE Publishing
ISBN 13 : 1428901949
Total Pages : 171 pages
Book Rating : 4.4/5 (289 download)
Download or read book Meteorological monitoring guidance for regulatory modeling applications written by and published by DIANE Publishing. This book was released on 2000 with total page 171 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Alex De Visscher
Publisher : John Wiley & Sons
ISBN 13 : 1118723104
Total Pages : 526 pages
Book Rating : 4.1/5 (187 download)
Download or read book Air Dispersion Modeling written by Alex De Visscher and published by John Wiley & Sons. This book was released on 2013-09-26 with total page 526 pages. Available in PDF, EPUB and Kindle. Book excerpt: A single reference to all aspects of contemporary air dispersion modeling The practice of air dispersion modeling has changed dramatically in recent years, in large part due to new EPA regulations. Current with the EPA's 40 CFR Part 51, this book serves as a complete reference to both the science and contemporary practice of air dispersion modeling. Throughout the book, author Alex De Visscher guides readers through complex calculations, equation by equation, helping them understand precisely how air dispersion models work, including such popular models as the EPA's AERMOD and CALPUFF. Air Dispersion Modeling begins with a primer that enables readers to quickly grasp basic principles by developing their own air dispersion model. Next, the book offers everything readers need to work with air dispersion models and accurately interpret their results, including: Full chapter dedicated to the meteorological basis of air dispersion Examples throughout the book illustrating how theory translates into practice Extensive discussions of Gaussian, Lagrangian, and Eulerian air dispersion modeling Detailed descriptions of the AERMOD and CALPUFF model formulations This book also includes access to a website with Microsoft Excel and MATLAB files that contain examples of air dispersion model calculations. Readers can work with these examples to perform their own calculations. With its comprehensive and up-to-date coverage, Air Dispersion Modeling is recommended for environmental engineers and meteorologists who need to perform and evaluate environmental impact assessments. The book's many examples and step-by-step instructions also make it ideal as a textbook for students in the fields of environmental engineering, meteorology, chemical engineering, and environmental sciences.
Author : Bruce A. Kunkel
Publisher :
ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.:/5 (126 download)
Download or read book An Evaluation of the Ocean Breeze/Dry Gulch Dispersion Model written by Bruce A. Kunkel and published by . This book was released on 1984 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Ocean Breeze-Dry Gulch (OB/DG) atmospheric dispersion model is used extensively by the USAF Air Weather Service for predicting the hazard zone resulting from an accidental toxic chemical spill. This model is an empirical and statistical model derived from the Ocean Breeze, Dry Gulch, and Prairie Grass experiments conducted in the late 50's and early 60's. the USAF Scientific Advisory Board recently recommended that the OB/DG model be replaced with a current state-of-the-art dispersion model. This report represents the first step toward evaluating the OB/DG model and finding a suitable replacement. The hazard distances computed from the OB/DG model for different meteorological conditions are compared with the hazard distances calculated with the Shell Oil co. SPILLS model and a modified version of the model. In the modified Shell model, the discrete Pasquill stability categories are replaced with a continuous stability parameter, and surface roughness is included as a factor in defining the rate of cloud growth. The OB/DG model agrees quite favorably with the modified Shell model except at low wind speeds where it predicts considerably lower distances. The Shell model calculates generally larger distances and much greater fluctuations with wind speed, and therefore does not agree as well with the OB/DG model. The similarity in output between the modified Shell model and the OB/DG model lends support to further consideration of this model as a possible replacement to the OB/DG model.
Author : New Zealand. Ministry for the Environment
Publisher :
ISBN 13 : 9780478189414
Total Pages : 142 pages
Book Rating : 4.1/5 (894 download)
Download or read book Good Practice Guide for Atmospheric Dispersion Modelling written by New Zealand. Ministry for the Environment and published by . This book was released on 2004-01-01 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Davidson Moreira
Publisher : CRC Press
ISBN 13 : 1439858942
Total Pages : 313 pages
Book Rating : 4.4/5 (398 download)
Download or read book Air Pollution and Turbulence written by Davidson Moreira and published by CRC Press. This book was released on 2009-11-24 with total page 313 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since its discovery in early 1900, turbulence has been an interesting and complex area of study. Written by international experts, Air Pollution and Turbulence: Modeling and Applications presents advanced techniques for modeling turbulence, with a special focus on air pollution applications, including pollutant dispersion and inverse problems. The
