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Author: Andrew J. Baird Publisher: John Wiley & Sons ISBN: 1118671635 Category : Science Languages : en Pages : 779
Book Description
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.
Author: Andrew J. Baird Publisher: John Wiley & Sons ISBN: 1118671635 Category : Science Languages : en Pages : 779
Book Description
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.
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
Abstract : Forested peatlands are important natural ecosystems in the global carbon cycle due to their large carbon pools in both standing biomass and thick organic soils. Northern white cedar (cedar; Thuja occidentalis L.) peatlands are a common and ecologically important forested peatland type in the Great Lakes Region of North America. Despite the great potential of cedar peatlands to store carbon, very few studies have characterized the fluxes or cycling of carbon in these ecosystems. Furthermore, the last 100-150 years have seen a dramatic shift in the age distribution of cedar stands, due primarily to harvesting for forest products and overbrowsing by large deer herds in the region. The aims of this thesis are to 1) evaluate the feasibility of enrichment planting as a restoration option in cedar peatlands, and 2) characterize the production of dissolved organic carbon (DOC) and the soil emissions of carbon dioxide (CO2) and methane (CH4) in a cedar peatland. Five restoration sites across northern Minnesota were used in investigating the conditions that fostered optimum height growth and survival of planted cedar seedlings. Planted cedar were found to grow and survive best when planted on hummocks. Additionally, a combination of protection from browse and high light maximized height growth of planted cedar. One site in the Upper Peninsula of Michigan was used for measurements of soil emissions of CO2 and CH4 and concentrations and characterizations of DOC. Soil CO2 emissions were correlated with water table level but CH4 emissions were not, possibly due to sufficiently high water tables throughout the measurement season. The quantity and quality of DOC changed with depth, suggesting that DOC lower in the peat profile was microbially sourced. When compared to other northern peatlands, soil CO2 emissions were relatively low, and soil CH4 emissions were approximately average. Dissolved organic carbon was also within the range of values from other northern peatlands, but was less aromatic and had a lower molecular weight. The results from this study suggest that the carbon dynamics of cedar peatlands are important. Additionally, enrichment planting appears to be a feasible strategy in restoration of degraded peatlands for at least two years after planting.
Author: Zicheng Yu Publisher: ISBN: Category : Carbon cycle (Biogeochemistry) Languages : en Pages : 104
Book Description
This publication provides extended abstracts of papers presented at a workshop on forested peatland carbon dynamics. Topics of papers include peat accumulation, carbon flux measurements, peatlands of the western boreal forest and the Mackenzie Valley, the carbon chemistry of peat, the effect of temperature on microbial decomposition, modelling carbon accumulation, peatland hydrology modelling, peatland fire & impacts on carbon dynamics, soil carbon dynamics in the boreal forest, and how peat fits into the Kyoto Protocol.
Author: David Archer Publisher: Princeton University Press ISBN: 1400837073 Category : Science Languages : en Pages : 216
Book Description
A must-have introduction to this fundamental driver of the climate system The Global Carbon Cycle is a short introduction to this essential geochemical driver of the Earth's climate system, written by one of the world's leading climate-science experts. In this one-of-a-kind primer, David Archer engages readers in clear and simple terms about the many ways the global carbon cycle is woven into our climate system. He begins with a concise overview of the subject, and then looks at the carbon cycle on three different time scales, describing how the cycle interacts with climate in very distinct ways in each. On million-year time scales, feedbacks in the carbon cycle stabilize Earth's climate and oxygen concentrations. Archer explains how on hundred-thousand-year glacial/interglacial time scales, the carbon cycle in the ocean amplifies climate change, and how, on the human time scale of decades, the carbon cycle has been dampening climate change by absorbing fossil-fuel carbon dioxide into the oceans and land biosphere. A central question of the book is whether the carbon cycle could once again act to amplify climate change in centuries to come, for example through melting permafrost peatlands and methane hydrates. The Global Carbon Cycle features a glossary of terms, suggestions for further reading, and explanations of equations, as well as a forward-looking discussion of open questions about the global carbon cycle.
Author: R.K. Wieder Publisher: Springer Science & Business Media ISBN: 3540319131 Category : Science Languages : en Pages : 448
Book Description
This is the first truly ecosystem-oriented book on peatlands. It adopts an ecosystems approach to understanding the world's boreal peatlands. The focus is on biogeochemical patterns and processes, production, decomposition, and peat accumulation, and it provides additional information on animal and fungal diversity. A recurring theme is the legacy of boreal peatlands as impressive accumulators of carbon as peat over millennia.
Author: Josep G. Canadell Publisher: Springer Science & Business Media ISBN: 3540327304 Category : Science Languages : en Pages : 344
Book Description
This book examines the impacts of global change on terrestrial ecosystems. Emphasis is placed on impacts of atmospheric, climate and land use change, and the book discusses the future challenges and the scientific frameworks to address them. Finally, the book explores fundamental new research developments and the need for stronger integration of natural and human dimensions in addressing the challenge of global change.
Author: Eric S. Kasischke Publisher: Springer Science & Business Media ISBN: 0387216294 Category : Science Languages : en Pages : 490
Book Description
A discussion of the direct and indirect mechanisms by which fire and climate interact to influence carbon cycling in North American boreal forests. The first section summarizes the information needed to understand and manage fires' effects on the ecology of boreal forests and its influence on global climate change issues. Following chapters discuss in detail the role of fire in the ecology of boreal forests, present data sets on fire and the distribution of carbon, and treat the use of satellite imagery in monitoring these regions as well as approaches to modeling the relevant processes.
Author: Andrew J. Baird
Author: Andrew J. Baird
Author: C. P. Immirzi
Author: 
Author: Zicheng Yu
Author: Yuanqiao Wu
Author: David Archer
Author: R.K. Wieder
Author: Thomas Walker
Author: Josep G. Canadell
Author: Eric S. Kasischke