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Climate Change In The Pacific North America Region Over The Past Millennium
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Book Synopsis Climate Change in the Pacific North America Region Over the Past Millennium by : Lydia Darcy Roach
Download or read book Climate Change in the Pacific North America Region Over the Past Millennium written by Lydia Darcy Roach and published by . This book was released on 2010 with total page 235 pages. Available in PDF, EPUB and Kindle. Book excerpt: Decadal climate variability in the Pacific North America (PNA) region largely determines the fresh-water supply of the western United States and fisheries production of the northeast Pacific Ocean through tightly coupled ocean-atmosphere interactions. Documenting the historical manifestations of these interactions, over at least the past millennium, is an essential step towards anticipating the ramifications of future climate change on these resources. This dissertation aims to extend efforts at PNA paleoclimate reconstruction through the development of interannually resolved geochemical proxy records from annually laminated marine and lacustrine sediments. Comparison with instrumental climate measurements provides constraint on the driving mechanisms for observed geochemical variability in each record. The radiocarbon content ([Delta]14C) of benthic foraminiferal tests in the Santa Barbara Basin (SBB) proves a sensitive tracer for decadal fluctuations in vertical density structure along the southern California margin that are forced by north Pacific ocean-atmosphere interactions and tropical-midlatitude teleconnections. Enumeration of cosmopolitan benthic foraminifera in the SBB over the past ~250 years suggests that, on decadal time scales, the overall size and distribution of the SBB benthic foraminiferal community is largely a function of benthic carbon oxidation rate --- a property previously linked to regional surface productivity. In the terrestrial realm, stable hydrogen isotope ratios ([delta]D) of plant lipid biomarkers preserved in the sediments of Swamp Lake, Yosemite National Park, were measured over the 20th century and late medieval period (1160-1432 A.D). Plant lipid [delta]D exhibits a complex relationship with environmental parameters but nevertheless reflects interannual to multidecadal changes in amount of wintertime precipitation in the Sierra Nevada Mountains over the 20th century. Consistent with this observation, multidecadal [delta]D variability during the late medieval generally follows that of concomitant tree ring-derived hydrologic reconstructions and captures droughts of greater severity than any witnessed in the Sierra Nevada over the past 100 years. Comparison of the two isotopic records in terms of medieval vs. modern drought severity, however, requires further constraint on the driving mechanisms for long-term shifts in plant lipid [delta]D. Overall, this dissertation documents the novel application of benthic foraminiferal [Delta]14C and plant lipid [delta]D as a means for reconstructing decadal scale PNA climate from high-resolution sedimentary archives.
Book Synopsis Climate, Environment, and Society in the Pacific during the Last Millennium by : Patrick D. Nunn
Download or read book Climate, Environment, and Society in the Pacific during the Last Millennium written by Patrick D. Nunn and published by Elsevier. This book was released on 2007-10-10 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: The nature of global change in the Pacific Basin is poorly known compared to other parts of the world. Climate, Environment, and Society in the Pacific during the Last Millennium describes the climate changes that occurred in the Pacific during the last millennium and discusses how these changes controlled the broad evolution of human societies, typically filtered by the effects of changing sea level and storminess on food availability and interaction. Covering the entire period since AD 750 in the Pacific, this book describes the influences of climate change on environments and societies during the Medieval Warm Period and the Little Ice Age, focusing on the 100-year transition between these – a period of rapid change known as the AD 1300 Event. * Discusses the societal effects of climate and sea-level change, as well as the evidence for externally-driven societal change* Synthsizes how climate change has driven environmental change and societal change in the Pacific Basin* Contains a comprehensive and up-to-date survey of the evidence for climate, environmental, and societal change, supported by a full list of references
Author :U.S. Global Change Research Program Publisher :Cambridge University Press ISBN 13 :0521144078 Total Pages :193 pages Book Rating :4.5/5 (211 download)
Book Synopsis Global Climate Change Impacts in the United States by : U.S. Global Change Research Program
Download or read book Global Climate Change Impacts in the United States written by U.S. Global Change Research Program and published by Cambridge University Press. This book was released on 2009-08-24 with total page 193 pages. Available in PDF, EPUB and Kindle. Book excerpt: Summarizes the science of climate change and impacts on the United States, for the public and policymakers.
Book Synopsis Paleoclimate, Global Change and the Future by : Keith D. Alverson
Download or read book Paleoclimate, Global Change and the Future written by Keith D. Alverson and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a synthesis of the past decade of research into global changes that occurred in the earth system in the past. Focus is achieved by concentrating on those changes in the Earth's past environment that best inform our evaluation of current and future global changes and their consequences for human populations. The book stands as a ten year milestone in the operation of the Past Global Changes (PAGES) Project of the International Geosphere-Biosphere Programme (IGBP). It seeks to provide a quantitative understanding of the Earth’s environment in the geologically recent past and to define the envelope of natural environmental variability against which anthropogenic impacts on the Earth System may be assessed. A set of color overhead transparencies based on the figures in the book is available free on the PAGES website (www.pages-igbp.org) for use in teaching and lecturing.
Book Synopsis Environmental Change in the Pacific Basin by : Patrick D. Nunn
Download or read book Environmental Change in the Pacific Basin written by Patrick D. Nunn and published by Wiley-Blackwell. This book was released on 1999-06-09 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: Talk of the human-enhanced greenhouse effect and the ways in which it may affect our lives has made many people more aware of environmental change. We have come to realize that the environment is and has always bean in a state of continuous change, and that we and other organisms have had to adjust our lifestyles accordingly. This book focuses on the Pacific Basin, a vast region which can be considered a microcosm of the entire surface of the Earth and which has suffered from being marginalized in most accounts of Earth-surface processes and phenomena. In this book, the Pacific Basin includes the Pacific Ocean and Islands and also the Pacific Rim which is divided into the subregions of Antarctica, South America, Central America, North America, Beringia, East Asia and Australasia. Professor Nunn begins by outlining the distant origins of the modern Pacific Basin more than 1000 million years ago, then traces its development through the Palaeozoic and Mesozoic into the Cenozoic Era. For this time the last 66 million years - the history of environmental change becomes progressively better known. For the last 1.8 million years (the Quaternary period), the Earth s climate has oscillated between warm and cool, producing synchronous environmental changes throughout most of the Pacific Basin. The importance of volcanism and tectonics (land-level movements) for which the Pacific Basin is well known as causes of environmental change is explained in detail. The effects of human activities on most Pacific Basin environments began to be registered only during the Holocene the last 12 000 years culminating in the environmental crisis which currently afflicts many parts of this region. While the role of humans in altering Pacific Basin environments is discussed in detail, considerable attention is also given to the ways in which environmental change caused changes to human lifestyles which had far-reaching consequences.
Book Synopsis Abrupt Climate Change by : National Research Council
Download or read book Abrupt Climate Change written by National Research Council and published by National Academies Press. This book was released on 2002-04-23 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: The climate record for the past 100,000 years clearly indicates that the climate system has undergone periodic-and often extreme-shifts, sometimes in as little as a decade or less. The causes of abrupt climate changes have not been clearly established, but the triggering of events is likely to be the result of multiple natural processes. Abrupt climate changes of the magnitude seen in the past would have far-reaching implications for human society and ecosystems, including major impacts on energy consumption and water supply demands. Could such a change happen again? Are human activities exacerbating the likelihood of abrupt climate change? What are the potential societal consequences of such a change? Abrupt Climate Change: Inevitable Surprises looks at the current scientific evidence and theoretical understanding to describe what is currently known about abrupt climate change, including patterns and magnitudes, mechanisms, and probability of occurrence. It identifies critical knowledge gaps concerning the potential for future abrupt changes, including those aspects of change most important to society and economies, and outlines a research strategy to close those gaps. Based on the best and most current research available, this book surveys the history of climate change and makes a series of specific recommendations for the future.
Book Synopsis Global Environmental Change by : National Research Council
Download or read book Global Environmental Change written by National Research Council and published by National Academies Press. This book was released on 1999-09-14 with total page 621 pages. Available in PDF, EPUB and Kindle. Book excerpt: How can we understand and rise to the environmental challenges of global change? One clear answer is to understand the science of global change, not solely in terms of the processes that control changes in climate and the composition of the atmosphere, but in how ecosystems and human society interact with these changes. In the last two decades of the twentieth century, a number of such research effortsâ€"supported by computer and satellite technologyâ€"have been launched. Yet many opportunities for integration remain unexploited, and many fundamental questions remain about the earth's capacity to support a growing human population. This volume encourages a renewed commitment to understanding global change and sets a direction for research in the decade ahead. Through case studies the book explores what can be learned from the lessons of the past 20 years and what are the outstanding scientific questions. Highlights include: Research imperatives and strategies for investigators in the areas of atmospheric chemistry, climate, ecosystem studies, and human dimensions of global change. The context of climate change, including lessons to be gleaned from paleoclimatology. Human responses toâ€"and forcing ofâ€"projected global change. This book offers a comprehensive overview of global change research to date and provides a framework for answering urgent questions.
Book Synopsis Combatting Climate Change in the Pacific by : Marc Williams
Download or read book Combatting Climate Change in the Pacific written by Marc Williams and published by Springer. This book was released on 2017-12-12 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book analyses the regional complexes of climate security in the Pacific. Pacific Island States and Territories (PICTs) have long been cast as the frontline of climate change and placed within the grand architecture of global climate governance. The region provides compelling new insights into the ways climate change is constructed, governed, and shaped by (and in turn shapes), regional and global climate politics. By focusing on climate security as it is constructed in the Pacific and how this concept mobilises resources and shapes the implementation of climate finance, the book provides an up-to-date account of the way regional organizations in the Pacific have contributed to the search for solutions to the problem of climate insecurity. In the context of the United Nations Climate Change Conference (COP21) in Paris in 2015, the focus of this book on regional governance offers a concise and innovative account of climate politics in the prevailing global context and one with implications for the study of climate security in other regions, particularly in the developing world.
Book Synopsis Holocene and Latest Pleistocene Paleoceanography of the Northeast Pacific and Its Relationship to Climate Change in the Pacific Northwest by : Ann Louise Sabin
Download or read book Holocene and Latest Pleistocene Paleoceanography of the Northeast Pacific and Its Relationship to Climate Change in the Pacific Northwest written by Ann Louise Sabin and published by . This book was released on 1994 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: Northeast Pacific Ocean sediments were analyzed to determine the past relationship between northeast Pacific sea surface conditions and the climate on the adjacent continent, the Pacific Northwest of North America. Studies of modern ocean-atmosphere interactions demonstrate the significant effect sea surface conditions and atmospheric circulation in the Northeast Pacific Ocean has on the climate of the west coast of North America. Thus, it is likely that past continental climate change can be correlated to changes in sea surface temperature in the northeast Pacific Ocean. We analyzed radiolaria from twelve sediment cores, ranging from 33.62°N to 54.42°N latitude along the west coast of North America to reconstruct past sea surface conditions. Relationships between modern radiolaria and mean annual sea surface temperature calibrate equations used to estimate sea surface conditions for the past 20,000 years. Chronology is controlled by radiocarbon ages from planktonic foraminifera and bulk organic carbon. The reconstructions of sea surface conditions from changes in radiolaria assemblages indicate that the upwelling center off the west coast of North America was further south 15,000 years ago than it is today, and reached its present location 13,000 years ago. We infer that the West Wind Drift and Transition Zone were further south in the latest Pleistocene as a result of a more southerly North Pacific High pressure cell prior to 13,000 years ago. Two Pacific Northwest continental records of paleotemperature are well correlated to the sea surface temperature record the northeast Pacific around 48N latitude, with temperatures increasing over the past 20,000 years. Significant temperature minima and glacial expansions occurred at 13,000 and 4,000 years ago in the records examined, as did a minor minimum at 16,000 years ago. We conclude that changes in the past latitudinal position of the West Wind Drift played a significant role in controlling continental climate immediately to its east, as it does in the present day environment.
Book Synopsis The West Without Water by : B. Lynn Ingram
Download or read book The West Without Water written by B. Lynn Ingram and published by Univ of California Press. This book was released on 2013-08-01 with total page 277 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Documents the tumultuous climate of the American West over twenty thousand years, with tales of past droughts and deluges and predictions about the impacts of future climate change on water resources."--Back cover.
Book Synopsis Climate Change and Health in the Western Pacific Region by : Joshua Nealon
Download or read book Climate Change and Health in the Western Pacific Region written by Joshua Nealon and published by World Health Organization. This book was released on 2016-07-19 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: There is serious concern about the impact of the changing climate. The WHO Regional Office for the Western Pacific has taken the initiative in addressing health issues related to climate change but further action is needed to support efforts to confront climate change in Member States and in various sectors. Health must be mainstreamed into efforts to address climate change and action must be coordinated and integrated across national boundaries and in all sectors. This report synthesizes information and approaches on climate change and health pertinent to Member States in the Western Pacific Region. It also examines efforts and initiatives by various experts and stakeholders with an in-depth look at experiences in seven Member States that reflect the diversity of the Region. Finally it offers recommendations for policy-makers.
Book Synopsis Climate Change and Small Island States by : John Campbell
Download or read book Climate Change and Small Island States written by John Campbell and published by Routledge. This book was released on 2010-08-12 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt: Small Island Developing States are often depicted as being among the most vulnerable of all places to the effects of climate change, and they are a cause celebre of many involved in climate science, politics and the media. Yet while small island developing states are much talked about, the production of both scientific knowledge and policies to protect the rights of these nations and their people has been remarkably slow. This book is the first to apply a critical approach to climate change science and policy processes in the South Pacific region. It shows how groups within politically and scientifically powerful countries appropriate the issue of island vulnerability in ways that do not do justice to the lives of island people. It argues that the ways in which islands and their inhabitants are represented in climate science and politics seldom leads to meaningful responses to assist them to adapt to climate change. Throughout, the authors focus on the hitherto largely ignored social impacts of climate change, and demonstrate that adaptation and mitigation policies cannot be effective without understanding the social systems and values of island societies.
Book Synopsis Managing Climate Change Adaptation in the Pacific Region by : Walter Leal Filho
Download or read book Managing Climate Change Adaptation in the Pacific Region written by Walter Leal Filho and published by Springer Nature. This book was released on 2020-03-03 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents papers written by scholars, practitioners, and members of social movements and government agencies pursuing research and/or climate change projects in the Pacific region. Climate change is impacting the Pacific in various ways, including numerous negative effects on the natural environment and biodiversity. As such, a better understanding of how climate change affects Pacific communities is required, in order to identify processes, methods, and tools that can help countries and the communities in the region to adapt and become more resilient. Further, the book showcases successful examples of how to cope with the social, economic, and political problems posed by climate change in the region.
Author :United States. Congress. Senate. Committee on Energy and Natural Resources Publisher : ISBN 13 : Total Pages :402 pages Book Rating :4.3/5 (91 download)
Book Synopsis Global Climate Change and the Pacific Islands by : United States. Congress. Senate. Committee on Energy and Natural Resources
Download or read book Global Climate Change and the Pacific Islands written by United States. Congress. Senate. Committee on Energy and Natural Resources and published by . This book was released on 1992 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Climate Variability and Change and Sea-level Rise in the Pacific Islands Region by : John E. Hay
Download or read book Climate Variability and Change and Sea-level Rise in the Pacific Islands Region written by John E. Hay and published by . This book was released on 2003 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Late Holocene Climate Change on Isla Isabela, Gulf of California by : Amy Englebrecht
Download or read book Late Holocene Climate Change on Isla Isabela, Gulf of California written by Amy Englebrecht and published by . This book was released on 2010 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sediments from the crater lake on Isla Isabela, in the southern Gulf of California, were used to investigate precipitation and evaporation changes in this region over the past 6,000 years. Stable isotopes of oxygen and carbon provided a proxy record of Pacific climate variability on timescales ranging from decadal to millennial. Strength in the dominant periodicities of the Pacific Decadal Oscillation appears to have been intermittent over the past two millennia, suggesting changes in Pacific forcing not previously recognized. In addition, productivity in the lake varies on timescales that suggests a link between increased productivity and solar maxima. Although the precise role of solar activity on climate variations remains unclear, this data represents a convergence of model output with empirical evidence over the past millennium. Over the late Holocene, it appears that there have been a number of pronounced dry periods that generally coincide with cold sea surface temperatures in the eastern Pacific, and generally dry conditions across western North America.
Book Synopsis Carbon Cycling in Northern Peatlands by : Andrew J. Baird
Download or read book Carbon Cycling in Northern Peatlands written by Andrew J. Baird and published by American Geophysical Union. This book was released on 2009-01-12 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Published by the American Geophysical Union as part of the Geophysical Monograph Series, Volume 184. Carbon Cycling in Northern Peatlands examines the role that northern peatlands play in regulating the atmospheric carbon budget. It summarizes current research in four interconnected areas: large-scale peatland dynamics and carbon cycling; plant and microbial dynamics and their effect on carbon fluxes to the atmosphere; methane accumulation in, and loss from, peatlands; and water and dissolved carbon fluxes through peatlands. The volume highlights include A thorough assessment of the challenges involved in incorporating carbon cycling in northern peatlands into global climate models; A conceptual model to examine the partitioning of terminal carbon mineralization into production of CO2 and CH4; A comprehensive review of the evidence for the accumulation of methane in deep and shallow peat; and A description of the hydrologic changes induced by peat harvesting and associated challenges in restoring altered peatlands to their natural hydrologic regime. Carbon Cycling in Northern Peatlands will be of interest to research scientists and graduate and undergraduate students, particularly those who wish to know more about the role of peatlands in the global carbon cycle and their role as modifiers of climate.
