Regional Modeling Of Nitrogen Sulfur And Mercury Atmospheric Deposition In The Pacific Northwest
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Author | : Matthew Kirk Porter |
Publisher | : |
Total Pages | : 127 |
Release | : 2007 |
Genre | : Air quality |
ISBN | : |
Download Regional Modeling of Nitrogen, Sulfur, and Mercury Atmospheric Deposition in the Pacific Northwest Book in PDF, Epub and Kindle
Author | : Bruce McCune |
Publisher | : |
Total Pages | : 510 |
Release | : 2009 |
Genre | : Nature |
ISBN | : |
Download Macrolichens of the Pacific Northwest Book in PDF, Epub and Kindle
"This book can be used to identify macrolichens from Oregon and Washington ... Reasonable coverage for lichens of Idaho and Montana, inland to the Continental Divide, can be expected. Almost all macrolichens known from northern California and southern British Columbia are included as well"--P. viii.
Author | : Wim de Vries |
Publisher | : Springer |
Total Pages | : 671 |
Release | : 2015-04-20 |
Genre | : Science |
ISBN | : 9401795088 |
Download Critical Loads and Dynamic Risk Assessments Book in PDF, Epub and Kindle
This book provides a unique overview of research methods over the past 25 years assessing critical loads and temporal effects of the deposition of air pollutants. It includes critical load methods and applications addressing acidification, eutrophication and heavy metal pollution of terrestrial and aquatic ecosystems. Applications include examples for each air pollution threat, both at local and regional scale, including Europe, Asia, Canada and the US. The book starts with background information on the effects of the deposition of sulphur, nitrogen and heavy metals and geochemical and biological indicators for risk assessments. The use of those indicators is then illustrated in the assessment of critical loads and their exceedances and in the temporal assessment of air pollution risks. It also includes the most recent developments of assessing critical loads and current and future risks of soil and water chemistry and biodiversity under climate change, with a special focus on nitrogen. The book thus provides a complete overview of the knowledge that is currently used for the scientific support of policies in the field of air pollution control to protect ecosystem services.
Author | : Pacific Northwest Laboratory |
Publisher | : |
Total Pages | : 41 |
Release | : 1979 |
Genre | : Air |
ISBN | : |
Download A Variable Trajectory Model for Regional Assessments of Air Pollution from Sulfur Compounds Book in PDF, Epub and Kindle
Author | : |
Publisher | : |
Total Pages | : 236 |
Release | : 1980 |
Genre | : Biotic communities |
ISBN | : |
Download An Ecological Characterization of the Pacific Northwest Coastal Region: Conceptual model Book in PDF, Epub and Kindle
Author | : |
Publisher | : |
Total Pages | : |
Release | : 1979 |
Genre | : |
ISBN | : |
Download Variable Trajectory Model for Regional Assessments of Air Pollution from Sulfur Compounds Book in PDF, Epub and Kindle
This report describes a sulfur oxides atmospheric pollution model that calculates trajectories using single-layer historical wind data as well as chemical transformation and deposition following discrete contaminant air masses. Vertical diffusion under constraints is calculated, but all horizontal dispersion is a funcion of trajectory variation. The ground-level air concentrations and deposition are calculated in a rectangular area comprising the northeastern United States and southeastern Canada. Calculations for a 29-day assessment period in April 1974 are presented along with a limited verification. Results for the studies were calculated using a source inventory comprising 61% of the anthropogenic SO2 emissions. Using current model parameterization levels, predicted concentration values are most sensitive to variations in dry deposition of SO2, wet deposition of sulfate, and transformation of SO2 to sulfate. Replacing the variable mixed-layer depth and variable stability features of the model with constant definitions of each results in increased ground-level concentration predicions for SO2 and particularly for sulfate.
Author | : Tonnie Cummings |
Publisher | : |
Total Pages | : 45 |
Release | : 2014 |
Genre | : Acidification |
ISBN | : |
Download Thresholds for Protecting Pacific Northwest Ecosystems from Atmospheric Deposition of Nitrogen Book in PDF, Epub and Kindle
Author | : United States. Environmental Protection Agency |
Publisher | : |
Total Pages | : 542 |
Release | : 1991 |
Genre | : Environmental protection |
ISBN | : |
Download EPA Publications Bibliography Book in PDF, Epub and Kindle
Author | : |
Publisher | : |
Total Pages | : 1080 |
Release | : 1985 |
Genre | : Power resources |
ISBN | : |
Download Energy Research Abstracts Book in PDF, Epub and Kindle
Author | : |
Publisher | : |
Total Pages | : 512 |
Release | : 1996 |
Genre | : Environmental protection |
ISBN | : |
Download EPA Publications Bibliography Book in PDF, Epub and Kindle