An Evaluation Of The Ocean Breeze Dry Gulch Dispersion Model
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An Evaluation Of The Ocean Breeze Dry Gulch Dispersion Model
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Author : Bruce A. Kunkel
language : en
Publisher:
Release Date : 1984
An Evaluation Of The Ocean Breeze Dry Gulch Dispersion Model written by Bruce A. Kunkel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Dispersion categories.
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.
A Review And Evaluation Of The Adam 2 1 Dispersion Model
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Author : Bruce A. Kunkel
language : en
Publisher:
Release Date : 1992
A Review And Evaluation Of The Adam 2 1 Dispersion Model written by Bruce A. Kunkel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Atmospheric diffusion categories.
An Evaluation Of The Ocean Breeze Dry Gulch Dispersion Model
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Author : Bruce A. Kunkel
language : en
Publisher:
Release Date : 1984
An Evaluation Of The Ocean Breeze Dry Gulch Dispersion Model written by Bruce A. Kunkel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with categories.
An Evaluation Of The Ocean Breeze Dry Gulch Dispersion Model
DOWNLOAD
Author : Bruce A. Kunkel
language : en
Publisher:
Release Date : 1984
An Evaluation Of The Ocean Breeze Dry Gulch Dispersion Model written by Bruce A. Kunkel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Dispersion categories.
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.
Validation Of A Surface Layer Windflow Model Using Climatology And Meteorological Tower Data From Vandenberg Afb California
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Author : John M. Lanicci
language : en
Publisher:
Release Date : 1986
Validation Of A Surface Layer Windflow Model Using Climatology And Meteorological Tower Data From Vandenberg Afb California written by John M. Lanicci and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Atmospheric models categories.
This report describes the 2nd phase of a study involving a surface-layer windflow model. The model produces a two-dimensional (x-y plane) variational analysis of windflow by employing Gauss' principle of least constraints to adjust an initial windfield to effects of topography, stability, momentum advection, and mass conservation. It used detailed terrain data (100 to 200 m horizontal resolution) to compensate for sparse meteorological data available over the small areas for which the model is run (25 to 250 sq km). The first phase involved testing of the model to effects of stability and vegetation using terrain, vegetation, and climate for Ft. Polk, LA. The 2nd phase involves further model development, including changes in meteorological data input as well as changes in wind and stability initializations. Model experiments using artificially-produced terrain were conducted to test these changes. A two-part model validation was then performed using climate data and archived meteorological tower data from Vandenberg AFB, California. The area of interest is 11 x 12 km, and covers the South Vandenberg Launch Complex.
Publications Abstracts
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Author : Environmental Research Laboratories (U.S.)
language : en
Publisher:
Release Date : 1994
Publications Abstracts written by Environmental Research Laboratories (U.S.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Environmental policy categories.
Application Of Air Models To Natural Resource Injury Assessment
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Author : Daniel J. McNaughton
language : en
Publisher:
Release Date : 1987
Application Of Air Models To Natural Resource Injury Assessment written by Daniel J. McNaughton and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Air categories.
Development Of An Atmospheric Diffusion Model For Toxic Chemical Releases
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Author : Bruce A. Kunkel
language : en
Publisher:
Release Date : 1985
Development Of An Atmospheric Diffusion Model For Toxic Chemical Releases written by Bruce A. Kunkel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Atmospheric diffusion categories.
Publication Abstracts
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Author : Environmental Research Laboratories (U.S.)
language : en
Publisher:
Release Date : 1993
Publication Abstracts written by Environmental Research Laboratories (U.S.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Environmental policy categories.
Accessions List
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Author : United States. National Environmental Satellite, Data, and Information Service. Library and Information Services Division
language : en
Publisher:
Release Date : 1983
Accessions List written by United States. National Environmental Satellite, Data, and Information Service. Library and Information Services Division and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with categories.