Details

Kinetics of Water-Rock Interaction


Kinetics of Water-Rock Interaction



von: Susan Brantley, James Kubicki, Art White

CHF 189.00

Verlag: Springer
Format: PDF
Veröffentl.: 29.12.2007
ISBN/EAN: 9780387735634
Sprache: englisch
Anzahl Seiten: 834

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Beschreibungen

Systems at the surface of the Earth are continually responding to energy inputs - rived ultimately from radiation from the Sun or from the radiogenic heat in the - terior. These energy inputs drive plate movements and erosion, exposing metastable mineral phases at the Earth’s surface. In addition, these energy ?uxes are harvested and transformed by living organisms. As long as these processes persist, chemical disequilibrium at the Earth’s surface will be perpetuated. In addition, as human populations grow, the need to produce food, extract - ter, and extract energy resources increases. These processes continually contribute to chemical disequilibrium at the Earth surface. We therefore ?nd it necessary to predict how the surface regolith will change in response to anthropogenic processes as well as long-term climatic and tectonic forcings. To address these questions, we must understand the rates at which reactions occur and the chemical feedbacks that relate these reactions across extreme temporal and spatial scales. Scientists and - gineers who work on soil fertility, nuclear waste disposal, hydrocarbon production, and contaminant and CO sequestration are among the many researchers who need 2 to understand geochemical kinetics. Fundamental questions concerning the lo- term geological, climatic and biological evolution of the planet also rely on g- kinetic information. In this book, we summarize approaches toward measuring and predicting the - netics of water-rock interactions which contribute to the processes mentioned above.
Analysis of Rates of Geochemical Reactions.- Transition State Theory and Molecular Orbital Calculations Applied to Rates and Reaction Mechanisms in Geochemical Kinetics.- The Mineral-Water Interface.- Kinetics of Sorption—Desorption.- Kinetics of Mineral Dissolution.- Data Fitting Techniques with Applications to Mineral Dissolution Kinetics.- Nucleation, Growth, and Aggregation of Mineral Phases: Mechanisms and Kinetic Controls.- Microbiological Controls on Geochemical Kinetics 1: Fundamentals and Case Study on Microbial Fe(III) Oxide Reduction.- Microbiological Controls on Geochemical Kinetics 2: Case Study on Microbial Oxidation of Metal Sulfide Minerals and Future Prospects.- Quantitative Approaches to Characterizing Natural Chemical Weathering Rates.- Geochemical Kinetics and Transport.- Isotope Geochemistry as a Tool for Deciphering Kinetics of Water-Rock Interaction.- Kinetics of Global Geochemical Cycles.
<P>Systems at the surface of the Earth are continually responding to energy inputs derived from solar radiation or from the radiogenic heat in the interior. These energy inputs drive plate movements and erosion, exposing metastable mineral phases at the Earth’s surface. In addition, these energy fluxes are harvested and transformed by living organisms. As long as these processes persist, chemical disequilibrium at the Earth’s surface will be perpetuated. Chemical disequilibrium is also driven by human activities related to production of food, extraction of water and energy resources, and burial of wastes. To understand how the surface of the Earth will change over time, we must understand the rates at which reactions occur and the chemical feedbacks that relate these reactions across extreme temporal and spatial scales. This book addresses fundamental and applied questions concerning the rates of water-rock interactions driven by tectonic, climatic, and anthropogenic forcings.</P>
All practitioners of geochemistry today need a thorough understanding of kinetics, including those in academia, government, and industry Will have textbook potential among upper division undergraduate and graduate students. The book will also be useful as a reference tool for practicing geochemists focussed on water-rock interaction, which has wide applications for hyrogeochemists, soil scientists, petrologists, economic geologists, and environment geologists in academia, industry, and applied laboratories
<P>Geochemical kinetics as a topic is now of importance to a wide range of geochemists in academia, industry, and government, and all geochemists need a rudimentary knowledge of the field. This book summarizes the fundamentals of geochemical kinetics with examples drawn especially from mineral dissolution and precipitation. It also encompasses discussion of high temperature processes and global geochemical cycle modeling. Analysis of textures of rocks, sediments, and mineral surfaces are incorporated throughout and provide a sub-theme of the book. This volume has textbook potential among upper division undergraduate and graduate students. The book will also be useful as a reference tool for practicing geochemists.</P>

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