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A Stable Isotope Approach To Neotropical Cloud Forest Paleoclimatology
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Book Synopsis A Stable Isotope Approach to Neotropical Cloud Forest Paleoclimatology by : Kevin John Anchukaitis
Download or read book A Stable Isotope Approach to Neotropical Cloud Forest Paleoclimatology written by Kevin John Anchukaitis and published by . This book was released on 2007 with total page 165 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many tropical trees do not form reliable annual growth rings, making it a challenge to develop tree-ring width chronologies for application to paleoclimatology in these regions. Here, I seek to establish high-resolution proxy climate records from trees without rings from the Monteverde Cloud Forest in Costa Rica using stable isotope dendroclimatology. Neotropical cloud forest ecosystems are associated with a relatively narrow range of geographic and hydroclimatic conditions, and are potentially sensitive to climate variability and change at time scales from annual to centennial and longer.
Book Synopsis Stable Isotopes in Tree Rings by : Rolf T. W. Siegwolf
Download or read book Stable Isotopes in Tree Rings written by Rolf T. W. Siegwolf and published by Springer Nature. This book was released on 2022 with total page 775 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Open Access volume highlights how tree ring stable isotopes have been used to address a range of environmental issues from paleoclimatology to forest management, and anthropogenic impacts on forest growth. It will further evaluate weaknesses and strengths of isotope applications in tree rings. In contrast to older tree ring studies, which predominantly applied a pure statistical approach this book will focus on physiological mechanisms that influence isotopic signals and reflect environmental impacts. Focusing on connections between physiological responses and drivers of isotope variation will also clarify why environmental impacts are not linearly reflected in isotope ratios and tree ring widths. This volume will be of interest to any researcher and educator who uses tree rings (and other organic matter proxies) to reconstruct paleoclimate as well as to understand contemporary functional processes and anthropogenic influences on native ecosystems. The use of stable isotopes in biogeochemical studies has expanded greatly in recent years, making this volume a valuable resource to a growing and vibrant community of researchers.
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2007 with total page 1044 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Isotopic and Elemental Tracers of Cenozoic Climate Change by : Germán Mora
Download or read book Isotopic and Elemental Tracers of Cenozoic Climate Change written by Germán Mora and published by Geological Society of America. This book was released on 2005-01-01 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Using Stable Isotopes to Characterize Travel History of Precipitation to a Tropical Montane Cloud Forest in Monteverde, Costa Rica by : Silvia E. Newell
Download or read book Using Stable Isotopes to Characterize Travel History of Precipitation to a Tropical Montane Cloud Forest in Monteverde, Costa Rica written by Silvia E. Newell and published by . This book was released on 2004 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dendroclimatology by : Malcolm K. Hughes
Download or read book Dendroclimatology written by Malcolm K. Hughes and published by Springer Science & Business Media. This book was released on 2010-10-28 with total page 365 pages. Available in PDF, EPUB and Kindle. Book excerpt: A top priority in climate research is obtaining broad-extent and long-term data to support analyses of historical patterns and trends, and for model development and evaluation. Along with directly measured climate data from the present and recent past, it is important to obtain estimates of long past climate variations spanning multiple centuries and millennia. These longer time perspectives are needed for assessing the unusualness of recent climate changes, as well as for providing insight on the range, variation and overall dynamics of the climate system over time spans exceeding available records from instruments, such as rain gauges and thermometers. Tree rings have become increasingly valuable in providing this long-term information because extensive data networks have been developed in temperate and boreal zones of the Earth, and quantitative methods for analyzing these data have advanced. Tree rings are among the most useful paleoclimate information sources available because they provide a high degree of chronological accuracy, high replication, and extensive spatial coverage spanning recent centuries. With the expansion and extension of tree-ring data and analytical capacity new climatic insights from tree rings are being used in a variety of applications, including for interpretation of past changes in ecosystems and human societies. This volume presents an overview of the current state of dendroclimatology, its contributions over the last 30 years, and its future potential. The material included is useful not only to those who generate tree-ring records of past climate-dendroclimatologists, but also to users of their results-climatologists, hydrologists, ecologists and archeologists. ‘With the pressing climatic questions of the 21st century demanding a deeper understanding of the climate system and our impact upon it, this thoughtful volume comes at critical moment. It will be of fundamental importance in not only guiding researchers, but in educating scientists and the interested lay person on the both incredible power and potential pitfalls of reconstructing climate using tree-ring analysis.’, Glen M. MacDonald, UCLA Institute of the Environment, CA, USA ‘This is an up-to-date treatment of all branches of tree-ring science, by the world’s experts in the field, reminding us that tree rings are the most important source of proxy data on climate change. Should be read by all budding dendrochronology scientists.’, Alan Robock, Rutgers University, NJ, USA
Book Synopsis Palaeoclimates and Palaeowaters by : International Atomic Energy Agency
Download or read book Palaeoclimates and Palaeowaters written by International Atomic Energy Agency and published by . This book was released on 1983 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stable Isotope Paleoclimate Studies in the Western Basin and Range and Greater Yellowstone Region by : Michael A. Poage
Download or read book Stable Isotope Paleoclimate Studies in the Western Basin and Range and Greater Yellowstone Region written by Michael A. Poage and published by . This book was released on 2000 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Paleoaltimetry written by Matthew J. Kohn and published by de Gruyter. This book was released on 2007 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume 66 of Reviews in Mineralogy and Geochemistry is based on a two day short course entitled Paleoaltimetry: Geochemical and Thermodynamic Approaches held prior to the Geological Society of American annual meeting in Denver, Colorado (October 26-27, 2007). This meeting and volume were sponsored by the Geochemical Society, Mineralogical Society of America, and the United States Department of Energy. Contents: The Significance of Paleotopography Stable Isotope-Based Paleoaltimetry: Theory and Validation Paleoelevation Reconstruction Using Pedogenic Carbonates Stable Isotope Paleoaltimetry in Orogenic Belts - The Silicate Record in Surface and Crustal Geological Archives Paleoaltimetry from Stable Isotope Compositions of Fossils A Review of Paleotemperature-Lapse Rate Methods for Estimating Paleoelevation from Fossil Floras Paleoaltimetry: A Review of Thermodynamic Methods Paleoelevation Measurement on the Basis of Vesicular Basalts Stomatal Frequency Change Over Altitudinal Gradients: Prospects for Paleoaltimetry Thermochronologic Approaches to Paleotopography Terrestrial Cosmogenic Nuclides as Paleoaltimetric Proxies
Book Synopsis Paleoclimatology by : Vasant Deshmukh
Download or read book Paleoclimatology written by Vasant Deshmukh and published by Delve Publishing. This book was released on 2021-12 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Paleoclimatology is the study of climate prior to the period of instrumental measurements. This book provides an enlightened approach towards the conceptualization of interacting components of the Earth system and their various features affecting the climate. This book elaborates paleoceanic techniques developed to gather data on stable isotopes, radiogenic isotopes, biogenic compounds and, elements. Additionally, paleoceanic processes such as paleotides, radiation, change in the oceanic base and, ice have been discussed in detail. Moreover, Paleocene-Eocene Thermal Maximum (PETM) modeling and methods of climate change have also been discussed. Through this book, we emphasized on worldwide climate change and its impact on human evolution. This book can deliver a great deal of vital information to scientists, environmentalists, policy makers, professors and students. Students and teachers from the background of environmental science, geology, petrology, botany, and zoology can take away valuable information from this book.
Book Synopsis Evaluating Stable Isotope and Geochronologic Techniques for Paleoclimate Reconstruction by : Robin Brendan Trayler
Download or read book Evaluating Stable Isotope and Geochronologic Techniques for Paleoclimate Reconstruction written by Robin Brendan Trayler and published by . This book was released on 2018 with total page 165 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Stable isotope analysis has become the method of choice for many studies investigating the paleoecology and paleoclimate of fossil mammal faunas. While organic tissues (collagen, keratins, proteins) persist for less than 105 years highly mineralized tooth enamel is resistant to alteration and degradation and faithfully preserves its isotopic composition for millions (greater than than 106) years. Reconstructing past climates from these records relies on both understanding both micro-scale mechanisms of isotope incorporation into individual teeth, and macro-scale changes in isotope compositions over hundreds of thousands or millions of years. In this dissertation I address three questions. First, how does the geometry and timing of tooth enamel mineralization affect isotope compositions? Tooth enamel mineralization occurs in two stages with different geometries and proportions of chemical components. In chapter one I present oxygen isotope data and high-resolution major element compositional maps of forming tooth enamel to clarify the process of enamel mineralization. Oxygen isotope results show that enamel records the isotopic composition of only second stage mineralization. Given this, ideal enamel sampling strategies should follow the geometry of second stage mineralization. High resolution maps of calcium density for several teeth reveal that enamel mineralizes at a high angle relative to the underlying dentine, suggesting that existing techniques are appropriate. Second, how can geochronology and stratigraphic information be convolved to strengthen interpretations of paleoclimate proxy records? Many reconstructions of past climates rely on proxy records (e.g. pollen, isotope samples) distributed through a stratigraphic section. Interpreting these data in a global context relies on both the ability to determine the absolute age of some stratigraphic positions, and a model that describes the relationship between stratigraphic position and age, allowing the age of unknown positions to be determined. In chapter two I report new U-Pb ages for several volcanic tuffs from the Santa Cruz Formation of southern Argentina. U-Pb data commonly exhibit complexities which make existing age-depth models unsuitable. I modified an existing age-depth model to better account for variations in absolute age, relative age, and the complex age uncertainties that often arise from magmatic crystal populations. Finally, I present a case study from the Santa Cruz Formation, Argentina. Fossil rich sediments span the initiation of the mid-Miocene climatic optimum, the most recent period of greenhouse conditions in the Cenozoic. carbon isotope-based estimates of mean annual precipitation reveal a progressive aridification of Patagonia with precipitation decreasing prior to the mid-Miocene climatic optimum."--Boise State University ScholarWorks.
Book Synopsis Testing Foundational Tenets of Stable Isotope Ecology Analyses in Neotropical Mammalian Communities, and Implications for Terrestrial Paleoecology by : Julia Victoria Tejada-Lara
Download or read book Testing Foundational Tenets of Stable Isotope Ecology Analyses in Neotropical Mammalian Communities, and Implications for Terrestrial Paleoecology written by Julia Victoria Tejada-Lara and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Process-based Stable Isotope Approach to Carbon Cycling in Recently Flooded Upland Boreal Forest Reservoirs by : Jason Venkiteswaran
Download or read book A Process-based Stable Isotope Approach to Carbon Cycling in Recently Flooded Upland Boreal Forest Reservoirs written by Jason Venkiteswaran and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stable Isotopes in Ecology and Environmental Science by : Robert Michener
Download or read book Stable Isotopes in Ecology and Environmental Science written by Robert Michener and published by John Wiley & Sons. This book was released on 2008-04-15 with total page 592 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book highlights new and emerging uses of stable isotope analysis in a variety of ecological disciplines. While the use of natural abundance isotopes in ecological research is now relatively standard, new techniques and ways of interpreting patterns are developing rapidly. The second edition of this book provides a thorough, up-to-date examination of these methods of research. As part of the Ecological Methods and Concepts series which provides the latest information on experimental techniques in ecology, this book looks at a wide range of techniques that use natural abundance isotopes to: follow whole ecosystem element cycling understand processes of soil organic matter formation follow the movement of water in whole watersheds understand the effects of pollution in both terrestrial and aquatic environments study extreme systems such as hydrothermal vents follow migrating organisms In each case, the book explains the background to the methodology, looks at the underlying principles and assumptions, and outlines the potential limitations and pitfalls. Stable Isotopes in Ecology and Environmental Science is an ideal resource for both ecologists who are new to isotopic analysis, and more experienced isotope ecologists interested in innovative techniques and pioneering new uses.
Book Synopsis Tropical Rainforest Responses to Climatic Change by : Mark B. Bush
Download or read book Tropical Rainforest Responses to Climatic Change written by Mark B. Bush and published by Springer Science & Business Media. This book was released on 2007 with total page 427 pages. Available in PDF, EPUB and Kindle. Book excerpt: The goal of this book is to provide a current overview of the impacts of climate change on tropical forests, to investigate past, present, and future climatic influences on the ecosystems with the highest biodiversity on the planet.Tropical Rainforest Responses to Climatic Change will be the first book to examine how tropical rain forest ecology is altered by climate change, rather than simply seeing how plant communities were altered. Shifting the emphasis onto ecological processes e.g. how diversity is structured by climate and the subsequent impact on tropical forest ecology, provides the reader with a more comprehensive coverage. A major theme of this book that emerges progressively is the interaction between humans, climate and forest ecology. While numerous books have appeared dealing with forest fragmentation and conservation, none have explicitly explored the long term occupation of tropical systems, the influence of fire and the future climatic effects of deforestation, coupled with anthropogenic emissions. Incorporating modelling of past and future systems paves the way for a discussion of conservation from a climatic perspective, rather than the usual plea to stop logging.
Book Synopsis Stable Isotopes and Plant Carbon-Water Relations by :
Download or read book Stable Isotopes and Plant Carbon-Water Relations written by and published by Elsevier. This book was released on 2012-12-02 with total page 581 pages. Available in PDF, EPUB and Kindle. Book excerpt: This 33-chapter volume presents a critical examination of the importance of stable isotopes in understanding key plant metabolic processes. - Carbon isotope analyses for estimates of plant water use and metabolism - Integrated estimates of stress impacts and life history in ecological systems - Hydrogen and oxygen isotope analyses for evaluating water sources and transpiration - Use of stable isotopes in scaling from leaf to global levels - Sections include: History and Theoretical Considerations, Ecological Aspects of Carbon Isotope Variation, Agricultural Aspects of Carbon Isotope Variation, Genetics and Isotopic Variation, Water Relations and Isotopic Composition
Download or read book Isoscapes written by Jason B. West and published by Springer Science & Business Media. This book was released on 2009-11-25 with total page 495 pages. Available in PDF, EPUB and Kindle. Book excerpt: Stable isotope ratio variation in natural systems reflects the dynamics of Earth systems processes and imparts isotope labels to Earth materials. Carbon isotope ratios of atmospheric CO2 record exchange of carbon between the biosphere and the atmosphere; the incredible journeys of migrating monarchs is documented by hydrogen isotopes in their wings; and water carries an isotopic record of its source and history as it traverses the atmosphere and land surface. Through these and many other examples, improved understanding of spatio-temporal isotopic variation in Earth systems is leading to innovative new approaches to scientific problem-solving. This volume provides a comprehensive overview of the theory, methods, and applications that are enabling new disciplinary and cross-disciplinary advances through the study of "isoscapes": isotopic landscapes. "This impressive new volume shows scientists deciphering and using the natural isotope landscapes that subtly adorn our spaceship Earth.", Brian Fry, Coastal Ecology Institute, Louisiana State University, USA "An excellent timely must read and must-have reference book for anybody interested or engaged in applying stable isotope signatures to questions in e.g. Anthropology, Biogeochemistry, Ecology, or Forensic Science regarding chronological and spatial movement, changes, or distribution relating to animals, humans, plants, or water.", Wolfram Meier-Augenstein, Centre for Anatomy & Human Identification, University of Dundee, UK "Natural resources are being affected by global change, but exactly where, how, and at what pace? Isoscapes provide new and remarkably precise answers.", John Hayes, Woods Hole Oceanographic Institution, USA "This exciting volume is shaping a new landscape in environmental sciences that is utilizing the remarkable advances in isotope research to enhance and extend the capabilities of the field.", Dan Yakir, Weizmann Institute of Science, Israel
