Environmental and Low-Temperature Geochemistry (eBook)
376 Seiten
John Wiley & Sons (Verlag)
978-1-119-56861-2 (ISBN)
This second edition of Environmental and Low-Temperature Geochemistry provides the most up-to-date status of the carbon cycle and global warming, including carbon sources, sinks, fluxes and consequences, as well as emerging evidence for (and effects of) ocean acidification. Understanding environmental problems like this requires knowledge based in fundamental principles of equilibrium, kinetics, basic laws of chemistry and physics, empirical evidence, examples from the geological record, and identification of system fluxes and reservoirs that allow us to conceptualize and understand. This edition aims to do that with clear explanations of fundamental principles of geochemistry as well as information and approaches that provide the student or researcher with knowledge to address pressing questions in environmental and geological sciences.
New content in this edition includes:
* Focus Boxes - one every two or three pages - providing case study examples (e.g. methyl isocyanate in Bhopal, origins and health effects of asbestiform minerals), concise explanations of fundamental concepts (e.g. balancing chemical equations, isotopic fractionation, using the Keq to predict reactivity), and useful information (e.g. units of concentration, titrating to determine alkalinity, measuring redox potential of natural waters);
* Sections on emerging contaminants for which knowledge is rapidly increasing (e.g. perfluorinated compounds, pharmaceuticals and other domestic and industrial chemicals);
* Greater attention to interrelationships of inorganic, organic and biotic phases and processes;
* Descriptions, theoretical frameworks and examples of emerging methodologies in geochemistry research, e.g. clumped C-O isotopes to assess seawater temperature over geological time, metal stable isotopes to assess source and transport processes, X-ray absorption spectroscopy to study oxidation state and valence configuration of atoms and molecules;
* Additional end-of-chapter problems, including more quantitatively based questions.
* Two detailed case studies that examine fate and transport of organic contaminants (VOCs, PFCs), with data and interpretations presented separately. These examples consider the chemical and mineralogical composition of rocks, soils and waters in the affected system; microbial influence on the decomposition of organic compounds; the effect of reduction-oxidation on transport of Fe, As and Mn; stable isotopes and synthetic compounds as tracers of flow; geological factors that influence flow; and implications for remediation.
The interdisciplinary approach and range of topics - including environmental contamination of air, water and soil as well as the processes that affect both natural and anthropogenic systems - make it well-suited for environmental geochemistry courses at universities as well as liberal arts colleges.
PETER RYAN is Professor of Geology and Environmental Studies at Middlebury College where he teaches courses in environmental geochemistry, hydrology, sedimentary geology and interdisciplinary environmental studies. He received a Ph.D. in geology at Dartmouth College, an M.S. in geology from the University of Montana and a B.A. in earth sciences from Dartmouth College. He has served as Director of the Program in Environmental Studies and as Chair of the Department of Geology at Middlebury College. His research interests fall into two main areas: (1) understanding the geological and mineralogical controls on trace element speciation, particularly the occurrence and mobility of arsenic and uranium in bedrock aquifers; and (2) the temporal evolution of soils in the tropics, with emphasis on mechanisms and rates of mineralogical reactions, nutrient cycling and application of soil geochemical analysis to correlation and geological interpretation.
Erscheint lt. Verlag | 1.11.2019 |
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Sprache | englisch |
Themenwelt | Naturwissenschaften ► Chemie |
Naturwissenschaften ► Geowissenschaften ► Geologie | |
Naturwissenschaften ► Geowissenschaften ► Mineralogie / Paläontologie | |
Schlagworte | Boden- u. Geochemie • Chemie • Chemistry • earth sciences • Environmental Geoscience • Geochemie, Mineralogie • Geochemistry & Minerology • Geowissenschaften • Soil & Geochemistry • Umweltgeowissenschaften |
ISBN-10 | 1-119-56861-7 / 1119568617 |
ISBN-13 | 978-1-119-56861-2 / 9781119568612 |
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