Photochemical Oxidant Air Pollution Effects On A Mixed Conifer Forest

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Photochemical Oxidant Air Pollution Effects on a Mixed Conifer Forest

R. N. Kickert
Photochemical Oxidant Air Pollution Effects on a Mixed Conifer Forest Book PDF

Author : R. N. Kickert
Publisher : Unknown
Page : 216 pages
File Size : 45,9 Mb
Release : 1980
Category : Air
ISBN : UCR:31210011091863

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Photochemical Oxidant Air Pollution Effects on a Mixed Conifer Forest by R. N. Kickert Pdf

EPA contract 68-03-2442 provided support for three years of the studies to determine the chronic effects of photochemical oxidant air pollutants on a western mixed conifer forest ecosystem. This report deals with the year 1976-77 and is the final publication on EPA contract 68-03-2442. Computer simulation programs have been written for some of the subsections. Subsystems which received greatest attention during this study were: major tree species response to oxidant dose, tree population dynamics, tree growth, moisture dynamics, soil chemical and physical properties, tree mortality relative to disease, insects and other factors, epidemiology of forest tree pathogens with emphasis on Fomes annosus, cone and seed production, tree seedling establishment, litter production and litter decomposition relative to microfloral decomposer populations.

Oxidant Air Pollution Impacts in the Montane Forests of Southern California

Paul R. Miller,Joe R. McBride
Oxidant Air Pollution Impacts in the Montane Forests of Southern California Book PDF

Author : Paul R. Miller,Joe R. McBride
Publisher : Springer Science & Business Media
Page : 445 pages
File Size : 51,9 Mb
Release : 2012-12-06
Category : Science
ISBN : 9781461214366

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Oxidant Air Pollution Impacts in the Montane Forests of Southern California by Paul R. Miller,Joe R. McBride Pdf

This volume presents a body of research conducted over more than thirty years, including an intensive interdisciplinary five-year study begun in 1991. Chapters include studies of the relationships of biogeography and climate to the region's air pollution, the chemical and physiological mechanisms of ozone injury, as well as the impacts of nitrogen-containing pollutants and natural stresses on polluted forests.

Photochemical Oxidant Air Pollution Effects on a Mixed Conifer Forest

R. N. Kickert
Photochemical Oxidant Air Pollution Effects on a Mixed Conifer Forest Book PDF

Author : R. N. Kickert
Publisher : Unknown
Page : 218 pages
File Size : 41,8 Mb
Release : 1980
Category : Air
ISBN : MINN:31951P00963546T

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Photochemical Oxidant Air Pollution Effects on a Mixed Conifer Forest by R. N. Kickert Pdf

EPA contract 68-03-2442 provided support for three years of the studies to determine the chronic effects of photochemical oxidant air pollutants on a western mixed conifer forest ecosystem. This report deals with the year 1976-77 and is the final publication on EPA contract 68-03-2442. Computer simulation programs have been written for some of the subsections. Subsystems which received greatest attention during this study were: major tree species response to oxidant dose, tree population dynamics, tree growth, moisture dynamics, soil chemical and physical properties, tree mortality relative to disease, insects and other factors, epidemiology of forest tree pathogens with emphasis on Fomes annosus, cone and seed production, tree seedling establishment, litter production and litter decomposition relative to microfloral decomposer populations.

Oxidant Air Pollution Impact to the Forests of Eastern United States

John M. Skelly,J. William Johnston
Oxidant Air Pollution Impact to the Forests of Eastern United States Book PDF

Author : John M. Skelly,J. William Johnston
Publisher : Unknown
Page : 40 pages
File Size : 49,6 Mb
Release : 1979
Category : Forests and forestry
ISBN : MINN:31951002855119X

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Oxidant Air Pollution Impact to the Forests of Eastern United States by John M. Skelly,J. William Johnston Pdf

The Response of Western Forests to Air Pollution

Richard K. Olson,Dan Binkley,Michael Arbaugh
The Response of Western Forests to Air Pollution Book PDF

Author : Richard K. Olson,Dan Binkley,Michael Arbaugh
Publisher : Unknown
Page : 552 pages
File Size : 40,5 Mb
Release : 1992
Category : Nature
ISBN : UOM:39015025200646

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The Response of Western Forests to Air Pollution by Richard K. Olson,Dan Binkley,Michael Arbaugh Pdf

Ozone Air Pollution in the Sierra Nevada - Distribution and Effects on Forests

A. Bytnerowicz,R. Alonso,Michael Arbaugh
Ozone Air Pollution in the Sierra Nevada Distribution and Effects on Forests Book PDF

Author : A. Bytnerowicz,R. Alonso,Michael Arbaugh
Publisher : Elsevier
Page : 432 pages
File Size : 54,5 Mb
Release : 2003-05-22
Category : Science
ISBN : 9780080538327

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Ozone Air Pollution in the Sierra Nevada - Distribution and Effects on Forests by A. Bytnerowicz,R. Alonso,Michael Arbaugh Pdf

The book contains information on geology, climate and vegetation of the Sierra Nevada with a special emphasis on air pollution effects on the mixed conifer forests. A history of the extent of air pollution effects on mixed conifer forests, especially ponderosa and Jeffrey pines is provided. The physiological basis for ozone-type injury development in ponderosa pine, a discussion of ozone uptake by plants at different levels of biological organization and the effects of air pollution and other stresses on mountain forests are discussed. A considerable portion of the book is dedicated to development of statistical models and maps of ambient ozone distribution in the Sierra Nevada based on the 1999 monitoring data with passive samplers. The implications of the methodological results, formulation and application of regional air quality models for integrated assessment of urban and wildland pollution and the need for functionally integrated models of ozone deposition to the Sierra Nevada forests are also discussed. Management and monitoring needs for improved long-term understanding air pollution effects on forest ecosystems, discussion of options for proper management of the air pollution affected forests, and comparison of monitoring and modelling of ozone and forest health status in the Sierra Nevada with similar efforts in mountains of North American and European mountain ranges are the focus of the later chapters of the book.

Air Pollution by Photochemical Oxidants

Robert Guderian
Air Pollution by Photochemical Oxidants Book PDF

Author : Robert Guderian
Publisher : Springer Science & Business Media
Page : 355 pages
File Size : 46,9 Mb
Release : 2012-12-06
Category : Science
ISBN : 9783642701184

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Air Pollution by Photochemical Oxidants by Robert Guderian Pdf

Photochemical oxidants are secondary air pollutants formed under the influence of sunlight by complex photochemical reactions in air which contains nitrogen oxides and reactive hydrocarbons as precursors. The most adverse components formed by photochemical reactions in polluted air are ozone (0 ) 3 and peroxyacetyl nitrate (PAN), among many other products such as aldehydes, ketones, organic and inorganic acids, nitrates, sulfates etc. An analysis and evaluation of the available knowledge has been used to characterize the relationships among emissions, ambient air concentrations, and effects, and to identify the important controlling influences on the formation and effects of photochemical oxidants. The biological activity of photochemical oxidants was first clearly manifested during the early 1940's, when vegetation injury was observed in the Los Angeles Basin in the United States. Since that time, as a consequence of the increasing emissions of photochemical oxidant precursors, the photochemical oxidants have become the most important air pollutants in North America. In other parts of the world, for example South and Central America, Asia, and Australia, photo chemical oxidants threaten vegetation, particularly the economic and ecological performance of plant life. According to my knowledge, the first observations of ozone and PAN injury to vegetation in Europe were made by Dr. Ellis F. Darley (Statewide Air Pollution Research Center, University of California, Riverside, California) during a study visit (1963/64) to the Federal Republic of Germany.

Air quality criteria for ozone and other photochemical oxidants

United States. Environmental Protection Agency. Office of Research and Development
Air quality criteria for ozone and other photochemical oxidants Book PDF

Author : United States. Environmental Protection Agency. Office of Research and Development
Publisher : Unknown
Page : 380 pages
File Size : 43,5 Mb
Release : 1978
Category : Ozone
ISBN : UOM:39015041069686

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Air quality criteria for ozone and other photochemical oxidants by United States. Environmental Protection Agency. Office of Research and Development Pdf

Forest Decline and Ozone

Heinrich Sandermann,Alan R. Wellburn,Robert L. Heath
Forest Decline and Ozone Book PDF

Author : Heinrich Sandermann,Alan R. Wellburn,Robert L. Heath
Publisher : Springer Science & Business Media
Page : 417 pages
File Size : 40,8 Mb
Release : 2012-12-06
Category : Science
ISBN : 9783642592331

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Forest Decline and Ozone by Heinrich Sandermann,Alan R. Wellburn,Robert L. Heath Pdf

The idea for this book arose in 1993, after the Free State of Bavaria through its Bayrisches Staatsministerium rur Landesentwicklung und Umweltfragen (Bavarian Ministry of Regional Development and the Environment) decided to discontinue both the Bavarian project management (PBWU) for forest decline research and the multidisciplinary field research on the Wank Mountain in the Alps near Garmisch. Forest decline through the action of ozone and other photooxidants was a main topic of the supported re search in the Alps and will be a topic of new investigations in the Bavarian Forest. Many interesting results were obtained, but the researchers involved have not had sufficient time to allow reliable conclusions to be drawn. It was therefore decided to ask inter national experts for contributions in order to summarize the best available evidence of a possible link between ozone and forest decline - a topic which has been studied in the USA since the late 1950s and in Europe since the early 1980s. The original idea of Waldsterben as an irreversible large-scale dieback of forests in Germany was soon recognized to be wrong (Forschungsbeirat 1989). However, the new criteria used for the official German and European damage inventories (loss or yel lowing of needles or leaves, tree morphology) indicate that per sistently high percentages of damaged spruce and pine remain, and there is an increasing percentage of damaged beech and oak, with a high proportion of biotic disease (Forschungsbeirat 1989; UN-ECE 1995).