Biogeochemical Controls On Palaeoceanographic Environmental Proxies
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Biogeochemical Controls On Palaeoceanographic Environmental Proxies
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Author : William E. N. Austin
language : en
Publisher: Geological Society of London
Release Date : 2008
Biogeochemical Controls On Palaeoceanographic Environmental Proxies written by William E. N. Austin and has been published by Geological Society of London this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Medical categories.
Most of our information about the evolution of Earth's ocean-climate system comes from the analysis of sediments laid down in the past. For example, the microfossil assemblage reflects the temperature, salinity and nutrient abundance of the water in which the organisms lived, while the chemical and isotopic composition of biogenic carbonates may be used to reconstruct past variations in the operation of the carbon cycle, as well as changes in ocean circulation. Nevertheless, understanding the link between these sediment variables (or 'proxies') and environmental conditions is not straightforward. This volume adopts a novel approach by bringing together palaeontologists, geochemists and palaeoceanographers, who contribute evidence that is required to better constrain these proxies. Topics include: (i) processes of biomineralization, and their effect on the chemical and isotopic composition of different organisms; (ii) proxy validation, including field, laboratory and theoretical studies; (iii) the links between modern and fossil organisms
The Mediterranean Sea
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Author : Stefano Goffredo
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-09-09
The Mediterranean Sea written by Stefano Goffredo and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-09-09 with Science categories.
This volume is an indispensable addition to the multidisciplinary coverage of the science of the Mediterranean Sea. The editors have gathered leading authorities from the fields of Marine Biology, Ecology, paleoclimatology, Chemical and Physical Oceanography, Zoology, Botany, Aquatic Photosynthesis, Socioeconomics, Mariculture, Mediterranean History and Science of Humanity. Beginning with the birth of the Mediterranean Sea and its myths. From coral to fish, an introduction is given to its major inhabitants of plants and animals past and present. The chapters illustrate how organisms interact as part of the structure and function of the Sea's main ecosystems. The rise of the Mediterranean as the cradle of the Western Civilization leads to a discourse on the status of human interaction with the sea. Accelerating global climate change, water warming, ocean acidification and sea level rise, and analyses of their effects on key organisms, entire ecosystems and human socioeconomics are given. Forecasting and predictions are presented taking into account different future scenarios from the IPCC (International Panel on Climate Change). The volume is richly illustrated in color, with an extensive bibliography. A valuable addition to the limited literature in the field, offering up-to-date broad coverage merging science and humanities.
Pacific Deep Sea Discoveries Geological And Biological Exploration Patterns And Processes
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Author : Randi D. Rotjan
language : en
Publisher: Frontiers Media SA
Release Date : 2021-04-16
Pacific Deep Sea Discoveries Geological And Biological Exploration Patterns And Processes written by Randi D. Rotjan and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-04-16 with Science categories.
Reconstructing Quaternary Environments
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Author : J. John Lowe
language : en
Publisher: Routledge
Release Date : 2014-10-28
Reconstructing Quaternary Environments written by J. John Lowe and has been published by Routledge this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-10-28 with Science categories.
This third edition of Reconstructing Quaternary Environments has been completely revised and updated to provide a new account of the history and scale of environmental changes during the Quaternary. The evidence is extremely diverse ranging from landforms and sediments to fossil assemblages and geochemical data, and includes new data from terrestrial, marine and ice-core records. Dating methods are described and evaluated, while the principles and practices of Quaternary stratigraphy are also discussed. The volume concludes with a new chapter which considers some of the key questions about the nature, causes and consequences of global climatic and environmental change over a range of temporal scales. This synthesis builds on the methods and approaches described earlier in the book to show how a number of exciting ideas that have emerged over the last two decades are providing new insights into the operation of the global earth-ocean-atmosphere system, and are now central to many areas of contemporary Quaternary research. This comprehensive and dynamic textbook is richly illustrated throughout with full-colour figures and photographs. The book will be of interest to undergraduates, postgraduates and professionals in Earth Science, Environmental Science, Physical Geography, Geology, Botany, Zoology, Ecology, Archaeology and Anthropology
Foraminiferal Micropaleontology For Understanding Earth S History
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Author : Pratul Kumar Saraswati
language : en
Publisher: Elsevier
Release Date : 2021-06-12
Foraminiferal Micropaleontology For Understanding Earth S History written by Pratul Kumar Saraswati and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-06-12 with Science categories.
Foraminiferal Micropaleontology for Understanding Earth's History incorporates new findings on taxonomy, classification and biostratigraphy of foraminifera. Foraminifera offer the best geochemical proxies for paleoclimate and paleoenvironment interpretation. The study of foraminifera was promoted by oil exploration due to its exceptional use in subsurface stratigraphy. A rapid technological development in the past 20 years in the field of imaging microfossils and in geochemical microanalysis have added novel information about foraminifera. Foraminiferal Micropaleontology for Understanding Earth's History builds an understanding of biology, morphology and classification of foraminifera for its varied applications. In the past two decades, a phenomenal growth has occurred in geochemical proxies in shells of foraminifera, and as a result, crucial information about past climate of the earth is achieved. Foraminifera is the most extensively used marine microfossils in deep-time reconstruction of the earth history. Its key applications are in paleoenvironment and paleoclimate interpretation, paleoceanography, and biostratigraphy to continuously improve the Geologic Time Scale. - Provides an overview of the Earth history as witnessed and evidenced by foraminifera - Discusses a variety of geochemical proxies used in reconstruction of environment, climate and paleobiology of foraminifera - Presents a new insight into the morphology and classification of foraminifera by modern tools of x-ray microscopy, quantitative methods, and molecular research
Biomineralization Sourcebook
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Author : Elaine DiMasi
language : en
Publisher: CRC Press
Release Date : 2014-02-25
Biomineralization Sourcebook written by Elaine DiMasi and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-02-25 with Science categories.
What does it mean to be at the forefront of a characterization technique? Novel implementation and research, finding new ways to visualize composites, and new techniques all play a role. Yet with the myriad of advances in the field, keeping up with new and advanced techniques, often from many different areas, has become a challenge. Biomineralizati
Boron Proxies In Paleoceanography And Paleoclimatology
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Author : Bärbel Hönisch
language : en
Publisher: John Wiley & Sons
Release Date : 2019-05-13
Boron Proxies In Paleoceanography And Paleoclimatology written by Bärbel Hönisch and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-05-13 with Science categories.
Anthropogenic carbon dioxide emissions do not only warm our planet but also acidify our oceans. It is currently unclear to which degree Earth’s climate and marine life will be impacted by these changes but information from Earth history, particularly the geochemical signals of past environmental changes stored in the fossil remains of marine organisms, can help us predict possible future changes. This book aims to be a primer for scientists who seek to apply boron proxies in marine carbonates to estimate past seawater carbonate chemistry and atmospheric pCO2. Boron proxies (δ11B and B/Ca) were introduced nearly three decades ago, with subsequent strides being made in understanding their mechanistic functioning. This text reviews current knowledge about the aqueous systematics, the inorganic and biological controls on boron isotope fractionation and incorporation into marine carbonates, as well as the analytical techniques for measurement of boron proxies. Laboratory and field calibrations of the boron proxies are summarized, and similarities between modern calibrations are explored to suggest estimates for proxy sensitivities in marine calcifiers that are now extinct. Example applications illustrate the potential for reconstructing paleo-atmospheric pCO2 from boron isotopes. Also explored are the sensitivity of paleo-ocean acidity and pCO2 reconstructions to boron isotope proxy systematics that are currently less well understood, including the elemental and boron isotopic composition of seawater through time, seawater alkalinity, temperature and salinity, and their collective impact on the uncertainty of paleo-reconstructions. The B/Ca proxy is based on the same mechanistic principles as the boron isotope proxy, but empirical calibrations suggest seawater pH is not the only controlling factor. B/Ca therefore has the potential to provide a second carbonate parameter that could be paired with δ11B to fully constrain the ocean carbonate system, but the associated uncertainties are large. This text reviews and examines what is currently known about the B/Ca proxy systematics. As more scientists embark on characterizing past ocean acidity and atmospheric pCO2, Boron in Paleoceanography and Paleoclimatology provides a resource to introduce geoscientists to the opportunities and complications of boron proxies, including potential avenues to further refine them.
Encyclopedia Of Ocean Sciences
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Author :
language : en
Publisher: Academic Press
Release Date : 2019-04-12
Encyclopedia Of Ocean Sciences written by and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-04-12 with Science categories.
The oceans cover 70% of the Earth’s surface, and are critical components of Earth’s climate system. This new edition of Encyclopedia of Ocean Sciences, Six Volume Set summarizes the breadth of knowledge about them, providing revised, up to date entries as well coverage of new topics in the field. New and expanded sections include microbial ecology, high latitude systems and the cryosphere, climate and climate change, hydrothermal and cold seep systems. The structure of the work provides a modern presentation of the field, reflecting the input and different perspective of chemical, physical and biological oceanography, the specialized area of expertise of each of the three Editors-in-Chief. In this framework maximum attention has been devoted to making this an organic and unified reference. Represents a one-stop. organic information resource on the breadth of ocean science research Reflects the input and different perspective of chemical, physical and biological oceanography, the specialized area of expertise of each of the three Editors-in-Chief New and expanded sections include microbial ecology, high latitude systems and climate change Provides scientifically reliable information at a foundational level, making this work a resource for students as well as active researches
Ion Partitioning In Ambient Temperature Aqueous Systems
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Author : H. Stoll
language : en
Publisher: The Mineralogical Society of Great Britain and Ireland
Release Date : 2010-11-15
Ion Partitioning In Ambient Temperature Aqueous Systems written by H. Stoll and has been published by The Mineralogical Society of Great Britain and Ireland this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-11-15 with Science categories.
Understanding in detail the ion partitioning in mineralwater interactions is of fundamental importance to geochemical studies and ultimately to society. The solid-solution properties of minerals are a significant part of the complexity, and also the importance, of these ion-partitioning reactions.
Biodiversity Connectivity And Ecosystem Function Across The Clarion Clipperton Zone A Regional Synthesis For An Area Targeted For Nodule Mining
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Author : Craig Randall Smith
language : en
Publisher: Frontiers Media SA
Release Date : 2022-01-21
Biodiversity Connectivity And Ecosystem Function Across The Clarion Clipperton Zone A Regional Synthesis For An Area Targeted For Nodule Mining written by Craig Randall Smith and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-01-21 with Science categories.