NDLI: An analysis of the impacts of global climate and emissions changes on regional tropospheric ozone

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An analysis of the impacts of global climate and emissions changes on regional tropospheric ozone

Content Provider	NASA Technical Reports Server (NTRS)
Author	Crist, Kevin C. John, Kuruvilla Carmichael, Gregory R.
Copyright Year	1994
Description	Many of the synergistic impacts resulting from future changes in emissions as well as changes in ambient temperature, moisture, and UV flux have not been quantified. A three-dimensional regional-scale photo-chemical model (STEM-2) is used in this study to evaluate these perturbations to trace gas cycles over the eastern half of the United States of America. The model was successfully used to simulate a regional-scale ozone episode (base case - June 1984) and four perturbations scenarios - viz., perturbed emissions, temperature, water vapor column, and incoming UV flux cases, and a future scenario (for the year 2034). The impact of these perturbation scenarios on the distribution of ozone and other major pollutants such as SO2 and sulfates were analyzed in detail. The spatial distribution and the concentration of ozone at the surface increased by about 5-15 percent for most cases except for the perturbed water vapor case. The regional scale surface ozone concentration distribution for the year 2034 (future scenario) showed an increase of non-attainment areas. The rural areas of Pennsylvania, West Virginia, and Georgia showed the largest change in the surface ozone field for the futuristic scenario when compared to the base case.
File Size	344573
Page Count	4
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19950004198
Archival Resource Key	ark:/13960/t57d7t18c
Language	English
Publisher Date	1994-04-01
Access Restriction	Open
Subject Keyword	Environment Pollution Climatology Troposphere Ozone Perturbation Water Vapor Sulfur Dioxides Gas Composition Climate Change Spatial Distribution Atmospheric Composition Ambient Temperature Trace Contaminants Trace Elements Three Dimensional Models Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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