A Study of the Abundance and 13C/12C Ratio of Atmospheric Carbon Dioxide to Advance the Scientific Understanding of Terrestrial Processes Regulating the Global Carbon Cycle

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ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.:/5 (316 download)

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Book Synopsis A Study of the Abundance and 13C/12C Ratio of Atmospheric Carbon Dioxide to Advance the Scientific Understanding of Terrestrial Processes Regulating the Global Carbon Cycle by : Stephen C. Piper

Download or read book A Study of the Abundance and 13C/12C Ratio of Atmospheric Carbon Dioxide to Advance the Scientific Understanding of Terrestrial Processes Regulating the Global Carbon Cycle written by Stephen C. Piper and published by . This book was released on 2005 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: The primary goal of our research program, consistent with the goals of the U.S. Climate Change Science Program and funded by the terrestrial carbon processes (TCP) program of DOE, has been to improve understanding of changes in the distribution and cycling of carbon among the active land, ocean and atmosphere reservoirs, with particular emphasis on terrestrial ecosystems. Our approach is to systematically measure atmospheric CO2 to produce time series data essential to reveal temporal and spatial patterns. Additional measurements of the 13C/12C isotopic ratio of CO2 provide a basis for distinguishing organic and inorganic processes. To pursue the significance of these patterns further, our research also involved interpretations of the observations by models, measurements of inorganic carbon in sea water, and of CO2 in air near growing land plants.

FINAL REPORT

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (727 download)

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Book Synopsis FINAL REPORT by :

Download or read book FINAL REPORT written by and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The main objective of this project was to continue research to develop carbon cycle relationships related to the land biosphere based on remote measurements of atmospheric CO2 concentration and its isotopic composition. The project continued time-series observations of atmospheric carbon dioxide and isotopic composition begun by Charles D. Keeling at remote sites, including Mauna Loa, the South Pole, and eight other sites. The program also included the development of methods for measuring radiocarbon content in the collected CO2 samples and carrying out radiocarbon measurements in collaboration with Tom Guilderson of Lawrence Berkeley National Laboratory (LLNL). The radiocarbon measurements can provide complementary information on carbon exchange rates with the land and oceans and emissions from fossil-fuel burning. Using models of varying complexity, the concentration and isotopic measurements were used to establish estimates of the spatial and temporal variations in the net CO2 exchange with the atmosphere, the storage of carbon in the land and oceans, and variable isotopic discrimination of land plants.

A Study of the Abundance and 13C/12C Ratio of Atmospheric Carbon Dioxide and Oceanic Carbon in Relation to the Global Carbon Cycle. Final Technical Report, February 15, 1990--July 31, 1995

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ISBN 13 :
Total Pages : 5 pages
Book Rating : 4.:/5 (871 download)

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Book Synopsis A Study of the Abundance and 13C/12C Ratio of Atmospheric Carbon Dioxide and Oceanic Carbon in Relation to the Global Carbon Cycle. Final Technical Report, February 15, 1990--July 31, 1995 by :

Download or read book A Study of the Abundance and 13C/12C Ratio of Atmospheric Carbon Dioxide and Oceanic Carbon in Relation to the Global Carbon Cycle. Final Technical Report, February 15, 1990--July 31, 1995 written by and published by . This book was released on 1995 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: Knowledge can be gained about the fluxes and storage of carbon in natural systems and their relation to climate by detecting temporal and spatial patterns in atmospheric CO2. When patterns in its 13C/12C isotopic ratio are included in the analysis, there is also a basis for distinguishing organic and inorganic processes. The authors systematically measured the concentration and 13C/12C ratio of atmospheric CO2 to produce time series data essential to reveal these temporal and spatial patterns. To pursue the significance of these patterns further, the result also involved measurements of inorganic carbon in sea water and of CO2 in air near growing land plants. The study was coordinated with a study of the same title concurrently funded by the National Science Foundation (NSF). The study called for continued atmospheric measurements at an array of ten stations from the Arctic Basin to the South Pole. Air was collected in flasks brought back to the laboratory for analysis, except at Mauna Loa. Observatory, Hawaii, where continuous measurements were also carried out.

Curricula in the Atmospheric, Oceanic, Hydrologic, and Related Sciences

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ISBN 13 :
Total Pages : 612 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Curricula in the Atmospheric, Oceanic, Hydrologic, and Related Sciences by :

Download or read book Curricula in the Atmospheric, Oceanic, Hydrologic, and Related Sciences written by and published by . This book was released on 1998 with total page 612 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Brittische Annalen des Jahrs 1793

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ISBN 13 :
Total Pages : 452 pages
Book Rating : 4.:/5 (64 download)

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Book Synopsis Brittische Annalen des Jahrs 1793 by :

Download or read book Brittische Annalen des Jahrs 1793 written by and published by . This book was released on 1795 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Understanding Earth's Deep Past

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Publisher : National Academies Press
ISBN 13 : 0309209196
Total Pages : 153 pages
Book Rating : 4.3/5 (92 download)

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Book Synopsis Understanding Earth's Deep Past by : National Research Council

Download or read book Understanding Earth's Deep Past written by National Research Council and published by National Academies Press. This book was released on 2011-08-02 with total page 153 pages. Available in PDF, EPUB and Kindle. Book excerpt: There is little dispute within the scientific community that humans are changing Earth's climate on a decadal to century time-scale. By the end of this century, without a reduction in emissions, atmospheric CO2 is projected to increase to levels that Earth has not experienced for more than 30 million years. As greenhouse gas emissions propel Earth toward a warmer climate state, an improved understanding of climate dynamics in warm environments is needed to inform public policy decisions. In Understanding Earth's Deep Past, the National Research Council reports that rocks and sediments that are millions of years old hold clues to how the Earth's future climate would respond in an environment with high levels of atmospheric greenhouse gases. Understanding Earth's Deep Past provides an assessment of both the demonstrated and underdeveloped potential of the deep-time geologic record to inform us about the dynamics of the global climate system. The report describes past climate changes, and discusses potential impacts of high levels of atmospheric greenhouse gases on regional climates, water resources, marine and terrestrial ecosystems, and the cycling of life-sustaining elements. While revealing gaps in scientific knowledge of past climate states, the report highlights a range of high priority research issues with potential for major advances in the scientific understanding of climate processes. This proposed integrated, deep-time climate research program would study how climate responded over Earth's different climate states, examine how climate responds to increased atmospheric carbon dioxide and other greenhouse gases, and clarify the processes that lead to anomalously warm polar and tropical regions and the impact on marine and terrestrial life. In addition to outlining a research agenda, Understanding Earth's Deep Past proposes an implementation strategy that will be an invaluable resource to decision-makers in the field, as well as the research community, advocacy organizations, government agencies, and college professors and students.

Study of the Role of Terrestrial Processes in the Carbon Cycle Based on Measurements of the Abundance and Isotopic Composition of Atmospheric CO2

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ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (16 download)

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Book Synopsis Study of the Role of Terrestrial Processes in the Carbon Cycle Based on Measurements of the Abundance and Isotopic Composition of Atmospheric CO2 by :

Download or read book Study of the Role of Terrestrial Processes in the Carbon Cycle Based on Measurements of the Abundance and Isotopic Composition of Atmospheric CO2 written by and published by . This book was released on 2012 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main objective of this project was to continue research to develop carbon cycle relationships related to the land biosphere based on remote measurements of atmospheric CO2 concentration and its isotopic ratios 13C/12C, 18O/16O, and 14C/12C. The project continued time-series observations of atmospheric carbon dioxide and isotopic composition begun by Charles D. Keeling at remote sites, including Mauna Loa, the South Pole, and eight other sites. Using models of varying complexity, the concentration and isotopic measurements were used to study long-term change in the interhemispheric gradients in CO2 and 13C/12C to assess the magnitude and evolution of the northern terrestrial carbon sink, to study the increase in amplitude of the seasonal cycle of CO2, to use isotopic data to refine constraints on large scale changes in isotopic fractionation which may be related to changes in stomatal conductance, and to motivate improvements in terrestrial carbon cycle models. The original proposal called for a continuation of the new time series of 14C measurements but subsequent descoping to meet budgetary constraints required termination of measurements in 2007.

The Global Carbon Cycle and the Evolution of Photosynthesis

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Publisher : Cambridge Scholars Publishing
ISBN 13 : 1527542912
Total Pages : 178 pages
Book Rating : 4.5/5 (275 download)

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Book Synopsis The Global Carbon Cycle and the Evolution of Photosynthesis by : Alexander A. Ivlev

Download or read book The Global Carbon Cycle and the Evolution of Photosynthesis written by Alexander A. Ivlev and published by Cambridge Scholars Publishing. This book was released on 2019-11-05 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book deals with the problem of the interaction and interconditionality of the various processes occurring in both the Earth’s crust and the biosphere. It proposes a model of the global carbon cycle explaining the nature and mechanism of these interactions, showing that the key element of this interaction is the photosynthesis controlled by periodic carbon dioxide injections caused by collision zones of lithospheric plates. Changes in the environment due to the evolution of photosynthesis cause alterations in the carbon cycle, and lead to a stationary state when new features of the cycle are manifested. The main instruments of the analysis here are the isotopic technique and physico-chemical modeling, conducted on the basis of the principle of actualism. The model provides explanations of periodic mass extinctions of organisms, the “explosions of life”, the uneven distribution of organic matter in the sedimentary strata, stratigraphic oil distribution, and various other events in the biosphere in the course of geological history. The book will appeal to geologists, geochemists, climatologists, ecologists, biologists, and specialists in global change.

Evidence for Accelerated Releases of Carbon Dioxide to the Atmosphere Inferred from Direct Measurements of Concentration and 13C/12C Ratio

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ISBN 13 :
Total Pages : 34 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Evidence for Accelerated Releases of Carbon Dioxide to the Atmosphere Inferred from Direct Measurements of Concentration and 13C/12C Ratio by : Charles D. Keeling

Download or read book Evidence for Accelerated Releases of Carbon Dioxide to the Atmosphere Inferred from Direct Measurements of Concentration and 13C/12C Ratio written by Charles D. Keeling and published by . This book was released on 1989 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Implications of Rising Carbon Dioxide Content of the Atmosphere

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ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Implications of Rising Carbon Dioxide Content of the Atmosphere by : Conservation Foundation

Download or read book Implications of Rising Carbon Dioxide Content of the Atmosphere written by Conservation Foundation and published by . This book was released on 1963 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Carbon Cycle

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Publisher : Cambridge University Press
ISBN 13 : 9780521018623
Total Pages : 312 pages
Book Rating : 4.0/5 (186 download)

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Book Synopsis The Carbon Cycle by : T. M. L. Wigley

Download or read book The Carbon Cycle written by T. M. L. Wigley and published by Cambridge University Press. This book was released on 2005-08-22 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reducing carbon dioxide (CO2) emissions is imperative to stabilizing our future climate. Our ability to reduce these emissions combined with an understanding of how much fossil-fuel-derived CO2 the oceans and plants can absorb is central to mitigating climate change. In The Carbon Cycle, leading scientists examine how atmospheric carbon dioxide concentrations have changed in the past and how this may affect the concentrations in the future. They look at the carbon budget and the "missing sink" for carbon dioxide. They offer approaches to modeling the carbon cycle, providing mathematical tools for predicting future levels of carbon dioxide. This comprehensive text incorporates findings from the recent IPCC reports. New insights, and a convergence of ideas and views across several disciplines make this book an important contribution to the global change literature.

Changes in the Global Carbon Cycle and the Biosphere

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ISBN 13 :
Total Pages : 190 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Changes in the Global Carbon Cycle and the Biosphere by : Jerry S. Olson

Download or read book Changes in the Global Carbon Cycle and the Biosphere written by Jerry S. Olson and published by . This book was released on 1978 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Carbon Dioxide and Environmental Stress

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Publisher : Academic Press
ISBN 13 : 9780124603707
Total Pages : 436 pages
Book Rating : 4.6/5 (37 download)

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Book Synopsis Carbon Dioxide and Environmental Stress by : Yiqi Luo

Download or read book Carbon Dioxide and Environmental Stress written by Yiqi Luo and published by Academic Press. This book was released on 1999-04-02 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt: Interactions of CO2 with Water, Temperature, Salinity, UV-B, Ozone, and Nutrients: -- T.C. Hsiao and R.B. Jackson, Interactive Effects of Water Stress and Elevated CO2 on Growth, Photosynthesis, and Water Use Efficiency. -- J.S. Amthor, Increasing Atmospheric CO2 Concentration, Water Use, and Water Stress: Scaling Up from the Plant to the Landscape. -- R.M.M. Crawford and D.W. Wolfe, Temperature: Cellular to Whole Plant and Population Responses. -- S.D. Smith, D.N. Jordan, and E.P. Hamerlynck, Effects of Elevated CO2 and Temperature Stress on Ecosystem Processes. -- R.E. Munns, G.R. Cramer, and M.C. Ball, Interactions Between Rising CO2, Soil Salinity, and Plant Growth. -- J. Rozema, A.H. Teramura, and M.M. Caldwell, Atmospheric CO2 Enrichment and Enhanced Solar Ultraviolet-B Radiation: Gene to Ecosystem Responses. -- A. Polle and E.J. Pell, The Role of Carbon Dioxide in Modifying the Plant Response to Ozone. -- H.H. Rogers, G.B. Runion, S.A. Prior, and H.A. Torbert, Response of Plants ...

Understanding Earth's Deep Past

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Publisher :
ISBN 13 : 9780309209120
Total Pages : 194 pages
Book Rating : 4.2/5 (91 download)

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Book Synopsis Understanding Earth's Deep Past by : National Research Council (U.S.). Committee on the Importance of Deep-Time Geologic Records for Understanding Climate Change Impacts

Download or read book Understanding Earth's Deep Past written by National Research Council (U.S.). Committee on the Importance of Deep-Time Geologic Records for Understanding Climate Change Impacts and published by . This book was released on 2011 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt: There is little dispute within the scientific community that humans are changing Earth's climate on a decadal to century time-scale. By the end of this century, without a reduction in emissions, atmospheric CO2 is projected to increase to levels that Earth has not experienced for more than 30 million years. As greenhouse gas emissions propel Earth toward a warmer climate state, an improved understanding of climate dynamics in warm environments is needed to inform public policy decisions. In Understanding Earth's Deep Past, the National Research Council reports that rocks and sediments that are millions of years old hold clues to how the Earth's future climate would respond in an environment with high levels of atmospheric greenhouse gases. Understanding Earth's Deep Past provides an assessment of both the demonstrated and underdeveloped potential of the deep-time geologic record to inform us about the dynamics of the global climate system. The report describes past climate changes, and discusses potential impacts of high levels of atmospheric greenhouse gases on regional climates, water resources, marine and terrestrial ecosystems, and the cycling of life-sustaining elements. While revealing gaps in scientific knowledge of past climate states, the report highlights a range of high priority research issues with potential for major advances in the scientific understanding of climate processes. This proposed integrated, deep-time climate research program would study how climate responded over Earth's different climate states, examine how climate responds to increased atmospheric carbon dioxide and other greenhouse gases, and clarify the processes that lead to anomalously warm polar and tropical regions and the impact on marine and terrestrial life. In addition to outlining a research agenda, Understanding Earth's Deep Past proposes an implementation strategy that will be an invaluable resource to decision-makers in the field, as well as the research community, advocacy organizations, government agencies, and college professors and students. (National Academies Press website 5/16/2011).

Carbon Isotope Stratigraphy

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Publisher : Academic Press
ISBN 13 : 0128209925
Total Pages : 780 pages
Book Rating : 4.1/5 (282 download)

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Book Synopsis Carbon Isotope Stratigraphy by : Michael Montenari

Download or read book Carbon Isotope Stratigraphy written by Michael Montenari and published by Academic Press. This book was released on 2020-10-30 with total page 780 pages. Available in PDF, EPUB and Kindle. Book excerpt: Carbon Isotope Stratigraphy, Volume Five in the Advances in Sequence Stratigraphy series, covers research in stratigraphic disciplines, including the most recent developments in the geosciences. This fully commissioned review publication aims to foster and convey progress in stratigraphy with its inclusion of a variety of topics, including Carbon isotope stratigraphy - principles and applications, Interpreting Phanerozoic d13C patterns as periodic glacio-eustatic sequences, Stable carbon isotopes in archaeological plant remains, Review of the Upper Ediacaran-Lower Cambrian Detrital Series in Central and North Iberia: NE Africa as possible Source Area, Calibrating d13C and d18O chemostratigraphic correlations across Cambrian strata of SW, and much more. Contains contributions from leading authorities in the field Informs and updates on all the latest developments in the field Aims to foster and convey progress in stratigraphy, including geochronology, magnetostratigraphy, lithostratigraphy, event-stratigraphy, and more

The Changing Carbon Cycle

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Publisher : Springer Science & Business Media
ISBN 13 : 1475719159
Total Pages : 615 pages
Book Rating : 4.4/5 (757 download)

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Book Synopsis The Changing Carbon Cycle by : John R. Trabalka

Download or read book The Changing Carbon Cycle written by John R. Trabalka and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 615 pages. Available in PDF, EPUB and Kindle. Book excerpt: The United States Government, cognizant of its responsibilities to future generations, has been sponsoring research for nine years into the causes, effects, and potential impacts of increased concentrations of carbon dioxide (C0 ) in the atmosphere. Agencies such as the National Science Foun 2 dation, National Oceanic and Atmospheric Administration, and the U.S. Department of Energy (DOE) cooperatively spent about $100 million from FY 1978 through FY 1984 directly on the study of CO • The DOE, as the 2 lead government agency for coordinating the government' s research ef forts, has been responsible for about 60% of these research efforts. William James succinctly defined our purpose when he stated science must be based upon " ... irreducible and stubborn facts." Scientific knowledge can and will reduce the present significant uncertainty sur rounding our understanding of the causes, effects, and potential impacts of increasing atmospheric CO2• We have come far during the past seven years in resolving some underlyinig doubts and in narrowing the ranges of disagreement. Basic concepts have become less murky. Yet, much more must be accomplished; more irreducible and stubborn facts are needed to reduce the uncertainties so that we can improve our knowledge base. Uncertainty can never be reduced to zero. However, with a much improved knowledge base, we will be able to learn, under stand, and be in a position to make decisions.

Atmospheric Carbon Dioxide and the Global Carbon Cycle

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Publisher :
ISBN 13 :
Total Pages : 344 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Atmospheric Carbon Dioxide and the Global Carbon Cycle by : John R. Trabalka

Download or read book Atmospheric Carbon Dioxide and the Global Carbon Cycle written by John R. Trabalka and published by . This book was released on 1986 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: