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Author : Peng Zhu
Publisher :
ISBN 13 :
Total Pages : 190 pages
Book Rating : 4.:/5 (318 download)
Download or read book Calcium Isotopes in the Marine Environment written by Peng Zhu and published by . This book was released on 1999 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Elizabeth M. Griffith
Publisher : Cambridge University Press
ISBN 13 : 1108847595
Total Pages : 56 pages
Book Rating : 4.1/5 (88 download)
Download or read book Calcium Isotopes written by Elizabeth M. Griffith and published by Cambridge University Press. This book was released on 2021-01-21 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: Precise measurements of the calcium (Ca) isotopes have provided constraints on Ca cycling at global and local scales, and quantified rates of carbonate diagenesis in marine sedimentary systems. Key to applying Ca isotopes as a geochemical tracer of Ca cycling, carbonate (bio)mineralization, and diagenesis is an understanding of the impact of multiple factors potentially impacting Ca isotopes in the rock record. These factors include variations in stable isotopic fractionation factors, the influence of local-scale Ca cycling on Ca isotopic gradients in carbonate settings, carbonate dissolution and reprecipitation, and the relationship between the Ca isotopic composition of seawater and mineral phases that record the secular evolution of seawater chemistry.
Author : P. Fritz
Publisher : Elsevier
ISBN 13 : 1483289834
Total Pages : 570 pages
Book Rating : 4.4/5 (832 download)
Download or read book The Terrestrial Environment, B written by P. Fritz and published by Elsevier. This book was released on 2013-10-22 with total page 570 pages. Available in PDF, EPUB and Kindle. Book excerpt: Handbook of Environmental Isotope Geochemistry, Volume 2: The Terrestrial Environment, B focuses on the processes, methodologies, principles, and approaches involved in isotope geochemistry. The selection first elaborates on mathematical models for the interpretation of environmental radioisotopes in groundwater systems; isotopes in cloud physics; and environmental isotopes in lake studies. Discussions focus on water balance studies of lakes, isotopic fractionations during evaporation of water, study of hailstone growth mechanisms by means of isotopic analyses, isotopic effects during growth of individual elements, and models and their hydrological significance. The text then takes a look at environmental isotope and anthropogenic tracers of lake sedimentation; stable isotope geochemistry of travertines; and isotope geochemistry of carbonates in the weathering zone. Topics include isotopic composition of carbonates in the weathering zone; reprecipitation processes in the weathering zone; isotopic composition of carbon and oxygen sources in the weathering zone; and geochemical conditions controlling travertine deposition. The manuscript also reviews radioactive noble gases in the terrestrial environment, isotope effects of nitrogen in the soil and biosphere, and oxygen and hydrogen isotope geochemistry of deep basin brines. The selection is a vital source of data for researchers interested in isotope geochemistry.
Author : Tabitha Michele Hensley
Publisher :
ISBN 13 :
Total Pages : 282 pages
Book Rating : 4.:/5 (318 download)
Download or read book Calcium Isotopic Variation in Marine Evaporites and Carbonates written by Tabitha Michele Hensley and published by . This book was released on 2006 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mark Baskaran
Publisher : Springer Science & Business Media
ISBN 13 : 3642106374
Total Pages : 944 pages
Book Rating : 4.6/5 (421 download)
Download or read book Handbook of Environmental Isotope Geochemistry written by Mark Baskaran and published by Springer Science & Business Media. This book was released on 2011-10-13 with total page 944 pages. Available in PDF, EPUB and Kindle. Book excerpt: Applications of radioactive and stable isotopes have revolutionized our understanding of the Earth and near-earth surface processes. The utility of the isotopes are ever-increasing and our sole focus is to bring out the applications of these isotopes as tracers and chronometers to a wider audience so that they can be used as powerful tools to solve environmental problems. New developments in this field remain mostly in peer-reviewed journal articles and hence our goal is to synthesize these findings for easy reference for students, faculty, regulators in governmental and non-governmental agencies, and environmental companies. While this volume maintains its rigor in terms of its depth of knowledge and quantitative information, it contains the breadth needed for wide variety problems and applications in the environmental sciences. This volume presents all of the newer and older applications of isotopes pertaining to the environmental problems in one place that is readily accessible to readers. This book not only has the depth and rigor that is needed for academia, but it has the breadth and case studies to illustrate the utility of the isotopes in a wide variety of environments (atmosphere, oceans, lakes, rivers and streams, terrestrial environments, and sub-surface environments) and serves a large audience, from students and researchers, regulators in federal, state and local governments, and environmental companies.
Author : Clara L. Blattler
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (855 download)
Download or read book Applications of Calcium Isotopes in Marine Carbonates in the Recent and Phanerozoic written by Clara L. Blattler and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The applications of calcium-isotope measurements in marine carbonates are explored in several different contexts within this thesis. As a record of global ion fluxes, seawater calcium-isotope ratios can be used as tracers for large weathering imbalances, which develop as a feedback system in response to intervals of climate change. This approach provides valuable constraints on the complex climatic and oceanographic phenomena known as the Oceanic Anoxic Events. Over much longer timescales, the calcium-isotope ratio of seawater is influenced by steady-state processes that reflect the evolution of seawater chemistry. To understand these influences, the modern calcium-isotope budget is assessed quantitatively using a compilation of marine carbonate samples, revealing several distinctive components of the carbonate burial sink that can affect the steady-state balance of the calcium cycle. Changes in the major ion composition of seawater and in the organisms that contribute to sedimentary carbonate burial are shown to contribute significantly to the geological record of seawater calcium-isotope ratios. The importance of skeletal carbonate in the calcium cycle leads to another application of calcium isotopes towards understanding biomineralization. This large and complex topic is approached with calcium-isotope data from two unique growth experiments that constrain some of the mechanisms by which biogenic aragonite acquires its geochemical signatures. This range of topics presents a diverse, but by no means exclusive, sample of the topics that are accessible for investigation through calcium-isotope analysis. The potential of this isotopic tool is demonstrated by the breadth of environments and timescales represented in this work.
Author : Edward D. Goldberg
Publisher :
ISBN 13 :
Total Pages : 530 pages
Book Rating : 4.:/5 (318 download)
Download or read book Isotope Marine Chemistry written by Edward D. Goldberg and published by . This book was released on 1980 with total page 530 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Alan E.M. Nairn
Publisher : Springer Science & Business Media
ISBN 13 : 1489915583
Total Pages : 540 pages
Book Rating : 4.4/5 (899 download)
Download or read book The Tethys Ocean written by Alan E.M. Nairn and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt: ''A voluminous encyclopedia of Tethyan geology and, as such, it provides an invaluable source of information for those interested in this region, and Earth history in general...The book is a must for the libraries of universities and geologic institutions.'' --- Palaios, October 1997 Volume 8 focuses on the Tethys oceanic realm and introduces new concepts such as 'transit plates' and 'seuils lithospheriques.' Contributors include new guides to understanding the distribution of Tethyan mineral and organic resources, and present insights into the role of carbonate platforms. Chapters are abundant with maps and illustrations.
Author : Rainer Zahn
Publisher : Springer Science & Business Media
ISBN 13 : 3642787371
Total Pages : 579 pages
Book Rating : 4.6/5 (427 download)
Download or read book Carbon Cycling in the Glacial Ocean: Constraints on the Ocean’s Role in Global Change written by Rainer Zahn and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 579 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive progress report on the multi-disciplinary field of ocean and climate change research is given. It compiles introductory background papers and leading scientific results on the ocean-atmosphere carbon cycle with emphasis on the ocean's carbon inventory and the various components involved. The relationship between plankton productivity, carbon fixation, oceanic PCO2 and climate change is investigated from the viewpoint of long-term climatic change during the late Quaternary cycles of ice ages and warm ages. The various approaches range from micropaleontology over organic and trace element geochemistry to molecular isotope geochemistry.
Author : William M. White
Publisher : Springer
ISBN 13 : 9783319393117
Total Pages : 1680 pages
Book Rating : 4.3/5 (931 download)
Download or read book Encyclopedia of Geochemistry written by William M. White and published by Springer. This book was released on 2018-07-24 with total page 1680 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Encyclopedia is a complete and authoritative reference work for this rapidly evolving field. Over 200 international scientists, each experts in their specialties, have written over 330 separate topics on different aspects of geochemistry including geochemical thermodynamics and kinetics, isotope and organic geochemistry, meteorites and cosmochemistry, the carbon cycle and climate, trace elements, geochemistry of high and low temperature processes, and ore deposition, to name just a few. The geochemical behavior of the elements is described as is the state of the art in analytical geochemistry. Each topic incorporates cross-referencing to related articles, and also has its own reference list to lead the reader to the essential articles within the published literature. The entries are arranged alphabetically, for easy access, and the subject and citation indices are comprehensive and extensive. Geochemistry applies chemical techniques and approaches to understanding the Earth and how it works. It touches upon almost every aspect of earth science, ranging from applied topics such as the search for energy and mineral resources, environmental pollution, and climate change to more basic questions such as the Earth’s origin and composition, the origin and evolution of life, rock weathering and metamorphism, and the pattern of ocean and mantle circulation. Geochemistry allows us to assign absolute ages to events in Earth’s history, to trace the flow of ocean water both now and in the past, trace sediments into subduction zones and arc volcanoes, and trace petroleum to its source rock and ultimately the environment in which it formed. The earliest of evidence of life is chemical and isotopic traces, not fossils, preserved in rocks. Geochemistry has allowed us to unravel the history of the ice ages and thereby deduce their cause. Geochemistry allows us to determine the swings in Earth’s surface temperatures during the ice ages, determine the temperatures and pressures at which rocks have been metamorphosed, and the rates at which ancient magma chambers cooled and crystallized. The field has grown rapidly more sophisticated, in both analytical techniques that can determine elemental concentrations or isotope ratios with exquisite precision and in computational modeling on scales ranging from atomic to planetary.
Author : Nikolaus Gussone
Publisher : Springer
ISBN 13 : 3540689532
Total Pages : 269 pages
Book Rating : 4.5/5 (46 download)
Download or read book Calcium Stable Isotope Geochemistry written by Nikolaus Gussone and published by Springer. This book was released on 2016-05-02 with total page 269 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides an overview of the fundamentals and reference values for Ca stable isotope research, as well as current analytical methodologies including detailed instructions for sample preparation and isotope analysis. As such, it introduces readers to the different fields of application, including low-temperature mineral precipitation and biomineralisation, Earth surface processes and global cycling, high-temperature processes and cosmochemistry, and lastly human studies and biomedical applications. The current state of the art in these major areas is discussed, and open questions and possible future directions are identified. In terms of its depth and coverage, the current work extends and complements the previous reviews of Ca stable isotope geochemistry, addressing the needs of graduate students and advanced researchers who want to familiarize themselves with Ca stable isotope research.
Author : Clara L. Blättler
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (951 download)
Download or read book Applications of Calcium Isotopes in Marine Carbonates in the Recent and Phanerozoic written by Clara L. Blättler and published by . This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Philip A. E. Pogge von Strandmann
Publisher : Cambridge University Press
ISBN 13 : 1108997627
Total Pages : 51 pages
Book Rating : 4.1/5 (89 download)
Download or read book Lithium Isotopes written by Philip A. E. Pogge von Strandmann and published by Cambridge University Press. This book was released on 2021-08-26 with total page 51 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lithium isotopes are a relatively novel tracer of present and past silicate weathering processes. Given that silicate weathering is the primary long-term method by which CO2 is removed from the atmosphere, Li isotope research is going through an exciting phase. We show the weathering processes that fractionate dissolved and sedimentary Li isotope ratios, focusing on weathering intensity and clay formation. We then discuss the carbonate and silicate archive potential of past seawater δ7Li. These archives have been used to examine Li isotope changes across both short and long timescales. The former can demonstrate the rates at which the climate is stabilised from perturbations via weathering, a fundamental piece of the puzzle of the long-term carbon cycle.
Author : Robert Bowen
Publisher : Elsevier Publishing Company
ISBN 13 :
Total Pages : 672 pages
Book Rating : 4.:/5 (318 download)
Download or read book Isotopes in the Earth Sciences written by Robert Bowen and published by Elsevier Publishing Company. This book was released on 1988 with total page 672 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Juraj Farkaš
Publisher :
ISBN 13 :
Total Pages : 314 pages
Book Rating : 4.:/5 (658 download)
Download or read book Calcium and Boron Isotope Variations in Marine Biogenic Carbonates written by Juraj Farkaš and published by . This book was released on 2007 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Hawaii Marine Laboratory
Publisher :
ISBN 13 :
Total Pages : 48 pages
Book Rating : 4.3/5 (91 download)
Download or read book Radioisotope Uptake of Marine Organisms with Special Reference to the Passage of Such Isotopes as are Librerated from Atomic Weapons Through Food Chains Leading to Organisms Utilized as Food by Man written by Hawaii Marine Laboratory and published by . This book was released on 1955 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Neil Graham Sime
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (89 download)
Download or read book Calcium Isotope Variations in Marine and Terrestrial Carbonates Over the Past 20 Ma written by Neil Graham Sime and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
