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  • 1
    Online Resource
    Online Resource
    Washington, D. C. :Island Press,
    Keywords: Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (560 pages)
    Edition: 1st ed.
    ISBN: 9781610910750
    Series Statement: Scientific Committee on Problems of the Environment (SCOPE) Series ; v.62
    DDC: 363.738/746
    Language: English
    Note: Intro -- About Island Press/ SCOPE -- SCOPE Series Page -- Title Page -- Copyright Page -- Contents -- List of Colorplates, Figures, Tables, Boxes, and Appendixes -- Colorplates -- Foreword -- Ackowledgments -- Ch 1: The Global Carbon Cycle: Integrating Humans, Climate, and the Natural World -- Part I: Crosscutting Issues -- Ch 2: Current Status and Past Trends of the Global Carbon Cycle -- Ch 3: The Vulnerability of the Carbon Cycle in the 21st Century: An Assessment of Carbon-Climate-Human Interactions -- Ch 4: Scenarios, Targets, Gaps, and Costs -- Ch 5: A Portfolio of Carbon Management Options -- Ch 6: Interactions between CO2 Stabilization Pathways and Requirements for a Sustainable Earth System -- Part II: Overview of the Carbon Cycle -- Ch 7: A Paleo-Perspective on Changes in Atmospheric CO2 and Climate -- Ch 8: Spatial and Temporal Distribution of Sources and Sinks of Carbon Dioxide -- Ch 9: Non-CO2 Greenhouse Gases -- Ch 10: Climate--Carbon Cycle Interactions -- Ch 11: Socioeconomic Driving Forces of Emissions Scenarios -- Part III: The Carbon Cycle of the Oceans -- Ch 12: Natural Processes Regulationg the Ocean Uptake of CO2 -- Ch 13: Variability and Climate Feedback Mechanisms in Ocean Uptake of CO2 -- Part IV: The Carbon Cycle of the Land -- Ch 14: A Primer on the Terrestrial Carbon Cycle: What We Don't Know But Should -- Ch 15: Geographic and Temporal Variation of Carbon Exchange by Ecosystems and Their Sensitivity to Environmnetla Perturbation -- Ch 16: Current Consequences of Past Actions: How to Separate Direct from Indirect -- Part V: The Carbo Cycle of Land--Ocean Margins -- Ch 17: Pathways of Atmospheric CO2 through Fluvual Systems -- Ch 18: Exchanges of Carbon in the Coastal Seas -- Part VI: Humans and the Carbon Cycle -- Ch 19: Pathwaysof the Regional Development and the Carbon Cycle. , Ch 20: Social Change and CO2 Stabilization: Moving away from the Carbon Cultures -- Ch 21: Carbon Transport through International Commerce -- Part VII: Purposeful Carbon Management -- Ch 22: Near- and Long-Term Climate Change Mitigation Potential -- Ch 23: Unanticipated Consequences: Thinking about Ancillary Benefits and Costs of Greenhouse Gas Emissions Mitigation -- Ch 24: International Policy Framework on Climate Change: Sinks in Recent International Agreements -- Ch 25: A Multi-Gas Approach to Climate Policy -- Ch 26: Storage of Carbon Dioxide by Greening the Oceans? -- Ch 27: Direct Injection of CO2 in the Ocean -- Ch 28: Engineered Biological Sinks on Land -- Ch 29: Abatement of Nitrous Oxide, Methane, and the Other Non-CO2 Greenhouse Gases: The Need for a Systems Approach -- List of Contributors -- SCOPE Series List -- SCOPE Executive Committee 2001-2004 -- Index -- Island Press Board of Directors.
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  • 2
    Keywords: Climatic changes. ; Electronic books.
    Description / Table of Contents: This Intergovernmental Panel on Climate Change Special Report (IPCC-SREX) explores the challenge of understanding and managing the risks of climate extremes to advance climate change adaptation. An invaluable assessment for anyone interested in climate extremes, environmental disasters and adaptation to climate change, including policymakers, the private sector and academic researchers.
    Type of Medium: Online Resource
    Pages: 1 online resource (594 pages)
    Edition: 1st ed.
    ISBN: 9781139420198
    DDC: 363.73874
    Language: English
    Note: Cover -- Managing the Risks of Extreme Events and Disasters to Advance Climate Change Adaptation: Special Report of the Intergovernmental Panel on Climate Change -- Title -- Copyright -- Contents -- I Foreword and Preface -- Foreword -- Preface -- Acknowledgements -- II Summary for Policy makers -- SPM Summary for Policymakers -- Drafting Authors: -- This Summary for Policymakers should be cited as: -- A. Context -- B. Observations of Exposure, Vulnerability, Climate Extremes,Impacts, and Disaster Losses -- Exposure and Vulnerability -- Climate Extremes and Impacts -- Disaster Losses -- C. Disaster Risk Management and Adaptation to Climate Change: Past Experience with Climate Extremes -- D. Future Climate Extremes, Impacts, and Disaster Losses -- Climate Extremes and Impacts -- Human Impacts and Disaster Losses -- E. Managing Changing Risks of Climate Extremes and Disasters -- Implications for Sustainable Development -- III Chapters 1 to 9 -- Chapter 1: Climate Change: New Dimensions in Disaster Risk, Exposure, Vulnerability, and Resilience -- This chapter should be cited as: -- Table of Contents -- Executive Summary -- 1.1. Introduction -- 1.1.1. Purpose and Scope of the Special Report -- 1.1.2. Key Concepts and Definitions -- 1.1.2.1. Definitions Related to General Concepts -- 1.1.2.2. Concepts and Definitions Relating to Disaster Risk Management and Adaptation to Climate Change -- 1.1.2.3. The Social Construction of Disaster Risk -- 1.1.3. Framing the Relation between Adaptation to Climate Change and Disaster Risk Management -- 1.1.4. Framing the Processes of Disaster Risk Management and Adaptation to Climate Change -- 1.1.4.1. Exceptionality, Routine, and Everyday Life -- 1.1.4.2. Territorial Scale, Disaster Risk, and Adaptation -- 1.2. Extreme Events, Extreme Impacts, and Disasters. , 1.2.1. Distinguishing Extreme Events, Extreme Impacts, and Disasters -- 1.2.2. Extreme Events Defined in Physical Terms -- 1.2.2.1. Definitions of Extremes -- 1.2.2.2. Extremes in a Changing Climate -- 1.2.2.3. The Diversity and Range of Extremes -- 1.2.3. Extreme Impacts -- 1.2.3.1. Three Classes of Impacts -- 1.2.3.2. Complex Nature of an Extreme 'Event' -- 1.2.3.3. Metrics to Quantify Social Impacts and the Management of Extremes -- 1.2.3.4. Traditional Adjustment to Extremes -- 1.3. Disaster Management, Disaster Risk Reduction, and Risk Transfer -- 1.3.1. Climate Change Will Complicate Management of Some Disaster Risks -- 1.3.1.1. Challenge of Quantitative Estimates of Changing Risks -- 1.3.1.2. Processes that Influence Judgments about Changing Risks -- 1.3.2. Adaptation to Climate Change Contributes to Disaster Risk Management -- 1.3.3. Disaster Risk Management and Adaptation to Climate Change Share Many Concepts, Goals, and Processes -- 1.4. Coping and Adapting -- 1.4.1. Definitions, Distinctions, and Relationships -- 1.4.1.1. Definitions and Distinctions -- 1.4.1.2. Relationships between Coping, Coping Capacity, Adaptive Capacity, and the Coping Range -- 1.4.2. Learning -- 1.4.3. Learning to Overcome Adaptation Barriers -- 1.4.4. 'No Regrets,' Robust Adaptation, and Learning -- References -- Chapter 2: Determinants of Risk: Exposure and Vulnerability -- This chapter should be cited as: -- Table of Contents -- Executive Summary -- 2.1. Introduction and Scope -- 2.2. Defining Determinants of Risk: Hazard, Exposure, and Vulnerability -- 2.2.1. Disaster Risk and Disaster -- 2.2.2. The Factors of Risk -- 2.3. The Drivers of Vulnerability -- 2.4. Coping and Adaptive Capacities -- 2.4.1. Capacity and Vulnerability -- 2.4.2. Different Capacity Needs -- 2.4.2.1. Capacity to Anticipate Risk -- 2.4.2.2. Capacity to Respond. , 2.4.2.3. Capacity to Recover and Change -- 2.4.3. Factors of Capacity: Drivers and Barriers -- 2.5. Dimensions and Trends of Vulnerability and Exposure -- 2.5.1. Environmental Dimensions -- 2.5.1.1. Physical Dimensions -- 2.5.1.2. Geography, Location, Place -- 2.5.1.3. Settlement Patterns and Development Trajectories -- 2.5.1.3.1. The urban environment -- 2.5.1.3.2. The rural environment -- 2.5.2. Social Dimensions -- 2.5.2.1. Demography -- 2.5.2.1.1. Migration and displacement -- 2.5.2.1.2. Social groups -- 2.5.2.2. Education -- 2.5.2.3. Health and Well-Being -- 2.5.2.4. Cultural Dimensions -- 2.5.2.5. Institutional and Governance Dimensions -- 2.5.3. Economic Dimensions -- Work and Livelihoods -- 2.5.4. Interactions, Cross-Cutting Themes, and Integrations -- 2.5.4.1. Intersectionality and Other Dimensions -- 2.5.4.2. Timing, Spatial, and Functional Scales -- 2.5.4.2.1. Timing and timescales -- 2.5.4.2.2. Spatial and functional scales -- 2.5.4.3. Science and Technology -- 2.6. Risk Identification and Assessment -- 2.6.1. Risk Identification -- 2.6.2. Vulnerability and Risk Assessment -- 2.6.3. Risk Communication -- 2.7. Risk Accumulation and the Nature of Disasters -- References -- Chapter 3: Changes in Climate Extremes and their Impacts on the Natural Physical Environment -- This chapter should be cited as: -- Table of Contents -- Executive Summary -- 3.1. Weather and Climate Events Related to Disasters -- 3.1.1. Categories of Weather and Climate Events Discussed in this Chapter -- 3.1.2. Characteristics of Weather and Climate Events Relevant to Disasters -- 3.1.3. Compound (Multiple) Events -- 3.1.4. Feedbacks -- 3.1.5. Confidence and Likelihood of Assessed Changes in Extremes -- 3.1.6. Changes in Extremes and Their Relationship to Changes in Regional and Global Mean Climate -- 3.1.7. Surprises / Abrupt Climate Change. , 3.2. Requirements and Methods for Analyzing Changes in Extremes -- 3.2.1. Observed Changes -- 3.2.2. The Causes behind the Changes -- 3.2.2.1. Human-Induced Changes in the Mean Climate that Affect Extremes -- 3.2.2.2. How to Attribute a Change in Extremes to Causes -- 3.2.3. Projected Long-Term Changes and Uncertainties -- 3.2.3.1. Information Sources for Climate Change Projections -- 3.2.3.2. Uncertainty Sources in Climate Change Projections -- 3.2.3.3. Ways of Exploring and Quantifying Uncertainties -- 3.3. Observed and Projected Changes in Weather and Climate Extremes -- 3.3.1. Temperature -- Observed Changes -- Causes of Observed Changes -- 3.3.2. Precipitation -- Observed Changes -- Causes of Observed Changes -- Projected Changes and Uncertainties -- 3.3.3. Wind -- 3.4. Observed and Projected Changes in Phenomena Related to Weather and Climate Extremes -- 3.4.1. Monsoons -- 3.4.2. El Niño-Southern Oscillation -- 3.4.3. Other Modes of Variability -- 3.4.4. Tropical Cyclones -- Observed Changes -- Causes of the Observed Changes -- Projected Changes and Uncertainties -- 3.4.5. Extratropical Cyclones -- 3.5. Observed and Projected Impacts on the Natural Physical Environment -- 3.5.1. Droughts -- Observed Changes -- Causes of the Observed Changes -- Projected Changes and Uncertainties -- 3.5.2. Floods -- 3.5.3. Extreme Sea Levels -- 3.5.4. Waves -- 3.5.5. Coastal Impacts -- 3.5.6. Glacier, Geomorphological, and Geological Impacts -- 3.5.7. High-latitude Changes Including Permafrost -- 3.5.8. Sand and Dust Storms -- References -- Chapter 4: Changes in Impacts of Climate Extremes: Human Systems and Ecosystems -- This chapter should be cited as: -- Table of Contents -- Executive Summary -- 4.1. Introduction -- 4.2. Climatic Extremes in Natural and Socioeconomic Systems -- 4.2.1. How Do Climate Extremes Impact on Humans and Ecosystems?. , 4.2.2. Complex Interactions among Climate Events, Exposure, and Vulnerability -- 4.3. System- and Sector-Based Aspects of Vulnerability, Exposure, and Impacts -- 4.3.1. Introduction -- 4.3.2. Water -- 4.3.3. Ecosystems -- 4.3.3.1. Heat Waves -- 4.3.3.2. Drought -- 4.3.3.3. Floods -- 4.3.3.4. Other Events -- 4.3.4. Food Systems and Food Security -- 4.3.5. Human Settlements, Infrastructure, and Tourism -- 4.3.5.1. Human Settlements -- 4.3.5.2. Infrastructure -- 4.3.5.3. Tourism -- 4.3.6. Human Health, Well-Being, and Security -- 4.4. Regionally Based Aspects of Vulnerability, Exposure, and Impacts -- 4.4.1. Introduction -- 4.4.2. Africa -- 4.4.2.1. Introduction -- 4.4.2.2. Droughts and Heat Waves -- 4.4.2.3. Extreme Rainfall Events and Floods -- 4.4.2.4. Dust Storms -- 4.4.3. Asia -- 4.4.3.1. Tropical Cyclones (Typhoons or Hurricanes) -- 4.4.3.2. Flooding -- 4.4.3.3. Temperature Extremes -- 4.4.3.4. Droughts -- 4.4.3.5. Wildfires -- 4.4.4. Central and South America -- 4.4.4.1. Extreme Rainfalls in South America -- 4.4.4.2. Wildfires -- 4.4.4.3. Regional Costs -- 4.4.5. Europe -- 4.4.5.1. Introduction -- 4.4.5.2. Heat Waves -- 4.4.5.3. Droughts and Wildfires -- 4.4.5.4. Coastal Flooding -- 4.4.5.5. Gale Winds -- 4.4.5.6. Flooding -- 4.4.5.7. Landslides -- 4.4.5.8. Snow -- 4.4.6. North America -- 4.4.6.1. Introduction -- 4.4.6.2. Heat Waves -- 4.4.6.3. Drought and Wildfire -- 4.4.6.4. Inland Flooding -- 4.4.6.5. Coastal Storms and Flooding -- 4.4.7. Oceania -- 4.4.7.1. Introduction -- 4.4.7.2. Temperature Extremes -- 4.4.7.3. Droughts -- 4.4.7.4. Wildfire -- 4.4.7.5. Intense Precipitation and Floods -- 4.4.7.6. Storm Surges -- 4.4.8. Open Oceans -- 4.4.9. Polar Regions -- 4.4.9.1. Introduction -- 4.4.9.2. Warming Cryosphere -- 4.4.9.3. Floods -- 4.4.10. Small Island States -- 4.5. Costs of Climate Extremes and Disasters. , 4.5.1. Framing the Costs of Extremes and Disasters.
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  • 3
    Online Resource
    Online Resource
    San Diego :Elsevier Science & Technology,
    Keywords: Plant ecophysiology. ; Electronic books.
    Description / Table of Contents: Traditional plant physiological ecology is organism centered and provides a useful framework for understanding the interactions between plants and their environment and for identifying characteristics likely to result in plant success in a particular habitat. This book focuses on extending concepts from plant physiological ecology as a basis for understanding carbon, energy, and biogeochemical cycles at ecosystem, regional, and global levels. This will be a valuable resource for researchers and graduate students in ecology, plant ecophysiology, ecosystem research, biometerology, earth system science, and remote sensing. Key Features * The integration of metabolic activities across spatial scales, from leaf to ecosystem * Global constraints and regional processes * Functional units in ecological scaling * Models and technologies for scaling.
    Type of Medium: Online Resource
    Pages: 1 online resource (410 pages)
    Edition: 1st ed.
    ISBN: 9780323139571
    Series Statement: Physiological Ecology Series
    DDC: 581.5015118
    Language: English
    Note: Front Cover -- Scaling Physiological Processes: Leaf to Globe -- Copyright Page -- Table of Contents -- Contributors -- Chapter 1. Introduction: Questions of Scale -- I. Scaling from Ecophysiology -- II. The Art of Scaling -- III. Some New Dimensions -- References -- Part I: Integrating Spatial Patterns -- Chapter 2. Concepts of Scale at the Local Level -- I. Introduction -- II. The Ecosystem as an Abstraction -- III. There Is No Correct Scale, but There May Be Scaling Laws -- IV. Relevance to Ecological Problems -- V. Theories and Bases for Scaling -- VI. Program for Research on Scaling in Terrestrial Systems -- Acknowledgments -- References -- Chapter 3. Spatial Information for Extrapolation of Canopy Processes: Examples from FIFE -- I. Introduction -- II. Experiment Overview -- III. A Priori Stratification -- IV. Digital Elevation Model-Based a Priori Stratification -- V. Regression-Tree Stratification -- VI. Scale Dependence in GVI and Terrain Variables -- VII. Spatial Analysis of Flux Measurements -- VIII. Lessons for Physiological Ecology -- IX. Conclusion -- X. Summary -- Acknowledgments -- References -- Part II: Leaf to Ecosystem Level Integration -- Chapter 4. Scaling Processes between Leaf and Canopy Levels -- I. Introduction -- II. What Is Scaling and Why Do It? -- III. Issues in Scaling from Leaf to Canopy -- IV. Can an Investigative Paradigm from Physics Be Applied Directly to Biology? -- V. Scaling in Fluid Dynamics -- VI. Comprehensive Plant-Environment Models -- VII. Examples of Scaling Leaf Photosynthesis to Canopy Photosynthesis -- VIII. Summary -- References -- Chapter 5. Scaling Water Vapor and Carbon Dioxide Exchange from Leaves to a Canopy: Rules and Tools -- I. Introduction -- II. Literature Overview -- III. Basic Scaling Rules. , IV. Leaf to Canopy Scaling: Linking Transpiration and Photosynthesis with Their Microenvironment -- V. What Information Is Needed to Scale CO2 and Water Vapor Exchange from a Leaf to a Canopy? -- VI. Can Information on Leaf CO2 and Water Vapor Exchange Be Extended to the Canopy Scale? -- VII. Concluding Comments -- Acknowledgments -- References -- Chapter 6. Prospects for Bottom-Up Models -- I. What Are Bottom-Up Models? -- II. Problems -- III. Top-Down Models: An Alternative Approach -- IV. Bottom-Up Models and Scaling -- V. Conclusions -- References -- Chapter 7. Scaling Ecophysiology from the Plant to the Ecosystem: A Conceptual Framework -- I. Introduction -- II. Role of Modeling -- III. Scaling Issues and Hierarchy Theory -- IV. Examples of Model Aggregation -- V. Summary -- References -- Chapter 8. Generalization of a Forest Ecosystem Process Model for Other Biomes, BIOME-BGC, and an Application for Global-Scale Models -- I. Introduction -- II. Lessons Learned in the Evolution of Forest-BGC and RESSys -- III. BIOME-BGC Development -- IV. Global Scale Application Using BIOME-BGC -- V. Conclusions -- Acknowledgments -- References -- Chapter 9. How Ecophysiologists Can Help Scale from Leaves to Landscapes -- I. Role of Ecophysiologists -- II. Promising Research Areas -- III. Landscape Ecology -- IV. Challenges for the Future -- Acknowledgments -- References -- Part III: Global Constraints and Regional Processes -- Chapter 10. Global Dynamics and Ecosystem Processes: Scaling Up or Scaling Down? -- I. Introduction -- II. From Physiology to Ecosystem -- III. From Ecosystem to Global Scale -- IV. Global Measurements to Ecosystem Mechanisms -- V. Conclusions -- Acknowledgment -- References -- Chapter 11. Observational Strategy for Assessing the Role of Terrestrial Ecosystems in the Globa' Carbon Cycle: Scaling Down to Regional Levels -- I. Introduction. , II. Atmospheric Concentration Gradients and Transport Modeling -- III. General Requirements for Measurements -- IV. Methods for Monitoring the Carbon Cycle on the Continents -- V. Summary -- Acknowledgments -- References -- Chapter 12. Forests in the Global Carbon Balance: From Stand to Region -- I. Introduction -- II. Carbon Balance Concept -- III. Methodology for Determining Enhanced Sources and Sinks -- IV. Current Enhanced Sources -- V. Current Enhanced Sinks -- VI. Historical Trend of the Global Terrestrial Sink -- VII. Carbon Dioxide Fertilization -- VIII. Moving Forward -- IX. Conclusions -- Acknowledgments -- References -- Chapter 13. Prospects for Scaling -- I. Introduction -- II. Approaches and Guidelines -- References -- Part IV: Functional Units in Ecology -- Chapter 14. Scaling in Biological Systems: Population and Community Perspectives -- I. Introduction -- II. Individual Plants as Members of Populations, Communities, and Ecosystems -- III. Global Change, Resource Augmentation, and the Response of Individuals and Populations: Are There General Patterns? -- IV. Models as Tools for Scaling: Single Individual and Single Species Models without Competition -- V. Models with Competition and among Neighbors: A Step closer to Natural Ecosystems -- VI. Factors That Can Compromise the Simplicity of Models -- Acknowledgments -- References -- Chapter 15. Scaling at the Population Level: Effects of Species Composition and Population Structure -- I. Introduction -- II. When to Consider the Population Level in the Context of Scaling -- III. Patchiness and the Gap Paradigm -- IV. Why Simplify? -- V. How to Simplify -- VI. Spatial and Temporal Dependencies -- VII. Future Directions -- Acknowledgments -- References -- Chapter 16. Functional Role of Growth Forms in Ecosystem and Global Processes -- I. Introduction. , II. Physiological Basis of Adaptive Strategies -- III. Ecological Controls over Adaptive Strategies -- IV. Ecosystem Consequences of Growth Forms -- V. Growth Form-Ecosystem Feedbacks -- VI. Remote Sensing of Growth Forms and Ecosystem Function -- VII. Conclusions -- Acknowledgments -- References -- Chapter 17. Grouping Plants by Their Form-Function Characteristics as an Avenue for Simplification in Scaling between Leaves and Landscapes -- I. Introduction -- II. Form-Function Relationship in Plants -- III. Grouping Rationale -- IV. Grouping Criteria -- V. Concluding Remarks -- References -- Part V: Integrating Technologies for Scaling -- Chapter 18. Applications of Stable Isotopes to Scaling Biospheric Photosynthetic Activities -- I. Introduction -- II. Sources: The Importance of Isotopic Composition of Water in the Metabolic Compartments of Leaves -- III. Gradients: The Interpretation of Gradients in Isotopic Composition and Their Value as Integrators of Photosynthetic Fluxes -- IV. Partitioning: Evaluating Photosynthetic Pathways within Ecosystems, Carbon Allocation below Ground, and Integration with Nitrogen Fixation -- V. Summary -- Acknowledgments -- References -- Chapter 19. Remote Sensing of Ecological Processes: A Strategy for Developing and Testing Ecological Models Using Spectral Mixture Analysis -- I. Introduction -- II. Relevant Ecological Measurements -- III. Current Approaches to Remote Sensing -- IV. Conclusions -- V. Summary -- Acknowledgment -- References -- Chapter 20. New Technologies for Physiological Ecology -- I. Introduction -- II. Discussion -- References -- Index -- Physiological Ecology.
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  • 4
    Keywords: Atmospheric carbon dioxide ; Carbon cycle (Biogeochemistry) ; Greenhouse gas mitigation ; Nature Effect of human beings on ; Atmospheric carbon dioxide ; Carbon cycle Biogeochemistry ; Greenhouse gas mitigation ; Nature Effect of human beings on ; Aufsatzsammlung ; Kohlenstoffkreislauf
    Type of Medium: Book
    Pages: XXIV, 526 S , Ill., graph. Darst. Kt
    ISBN: 1559635274 , 1559635266
    Series Statement: Scope 62
    DDC: 363.738/746
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    Language: English
    Note: Includes bibliographical references and index
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  • 5
    Keywords: Climate change mitigation ; Climatic changes Risk management ; Klimaschutz ; Klimaänderung ; Naturkatastrophe ; Risikomanagement
    Description / Table of Contents: Extreme weather and climate events, interacting with exposed and vulnerable human and natural systems, can lead to disasters. This Special Report explores the social as well as physical dimensions of weather- and climate-related disasters, considering opportunities for managing risks at local to international scales. SREX was approved and accepted by the Intergovernmental Panel on Climate Change (IPCC) on 18 November 2011 in Kampala, Uganda
    Type of Medium: Book
    Pages: X, 582 Seiten , Diagramme, Karten
    Edition: 1. publ.
    ISBN: 9781107607804 , 9781107025066
    DDC: 363.73874
    Language: English
    Note: Titel storniert, 25.11.2014
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  • 6
    Book
    Book
    New York, NY : Cambridge University Press
    Type of Medium: Book
    Pages: xiii, 1131 Seiten , Illustrationen, Diagramme,k Karten , 29 cm
    ISBN: 9781107641655 , 9781107058071
    Series Statement: Climate change 2014 : impacts, adaptation, and vulnerability Part A
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    Language: English
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  • 7
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Science Ltd
    Global change biology 4 (1998), S. 0 
    ISSN: 1365-2486
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Energy, Environment Protection, Nuclear Power Engineering , Geography
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1365-2486
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Energy, Environment Protection, Nuclear Power Engineering , Geography
    Notes: Fire is a major disturbance in the boreal forest, and has been shown to release significant amounts of carbon (C) to the atmosphere through combustion. However, less is known about the effects on ecosystems following fire, which include reduced productivity and changes in decomposition in the decade immediately following the disturbance. In this study, we assessed the impact of fire on net primary productivity (NPP) in the North American boreal forest using a 17-year record of satellite NDVI observations at 8- km spatial resolution together with a light-use efficiency model. We identified 61 fire scars in the satellite observations using digitized fire burn perimeters from a database of large fires. We studied the postfire response of NPP by analyzing the most impacted pixel within each burned area. NPP decreased in the year following the fire by 60–260 g C m−2 yr−1 (30–80%). By comparing pre- and postfire observations, we estimated a mean NPP recovery period for boreal forests of about 9 years, with substantial variability among fires. We incorporated this behavior into a carbon cycle model simulation to demonstrate these effects on net ecosystem production. The disturbance resulted in a release of C to the atmosphere during the first 8 years, followed by a small, but long-lived, sink lasting 150 years. Postfire net emissions were three times as large as from a model run without changing NPP. However, only small differences in the C cycle occurred between runs after 8 years due to the rapid recovery of NPP. We conclude by discussing the effects of fire on the long-term continental trends in satellite NDVI observed across boreal North America during the 1980s and 1990s.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Science, Ltd
    Global change biology 9 (2003), S. 0 
    ISSN: 1365-2486
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Energy, Environment Protection, Nuclear Power Engineering , Geography
    Notes: Estimates of the role of the European terrestrial biosphere in the global carbon cycle still vary by a factor 10. This is due to differences in methods and assumptions employed, but also due to difference in reference periods of the studies. The magnitude of the sink varies between years because of inter-annual variation of short-term climate, but also due to long-term trends in development of the vegetation and its management. For this purpose, we present the results of an application of a carbon bookkeeping model to the forest sector of the European forests from 1950 to 1999. The analysis includes the compartments trees, soils, and wood products. The model uses statistics on European (30 countries excl. CIS) stemwood volume increment, forest area change, fellings, wood products and their international trade, and natural disturbances, supplemented with conversion coefficients, soil parameters and information on management.An (almost uninterrupted) increasing sink (Net Biome Production) in the European forest sector was found, increasing from 0.03 Pg C year−1 in the 1950s to 0.14 Pg C year−1 in the 1990s (for resp. 132 million hectares and 140 million hectares of forest). The sink in the tree and the soil compartment were approximately of the same size until 1970. After the 1970s the size of the sink in the tree biomass increases quickly, causing the tree biomass to account for some two thirds of the total sink in the 1990s. The results as presented here have to be regarded with caution especially with regard to the early decades of the analysis and with regard to the soil compartment.
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1365-2486
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Energy, Environment Protection, Nuclear Power Engineering , Geography
    Notes: This study examined root production and turnover in a California grassland during the third year of a long-term experiment with ambient (LO) and twice-ambient atmospheric CO2 (HI), using harvests, ingrowth cores, and minirhizotrons. Based on one-time harvest data, root biomass was 32% greater in the HI treatment, comparable to the stimulation of aboveground production during the study year. However, the 30–70% increase in photosynthesis under elevated CO2 for the dominant species in our system is considerably larger than the combined increase in above and belowground biomass. One possible explanation is, increased root turnover, which could be a sink for the additional fixed carbon. Cumulative root production in ingrowth cores from both treatments harvested at four dates was 2–3 times that in the single harvested cores, suggesting substantial root turnover within the growing season. Minirhizotron data confirmed this result, demonstrating that production and mortality occurred simultaneously through much of the season. As a result, cumulative root production was 54%, 47% and 44% greater than peak standing root length for the no chamber (X), LO, and HI plots, respectively. Elevated CO2, however, had little effect on rates of turnover (i.e. rates of turnover were equal in the LO and HI plots throughout most of the year) and cumulative root production was unaffected by treatment. Elevated CO2 increased monthly production of new root length (59%) only at the end of the season (April–June) when root growth had largely ceased in the LO plots but continued in the HI plots. This end-of-season increase in production coincided with an 18% greater soil moisture content in the HI plots previously described. Total standing root length was not affected by CO2 treatment. Root mortality was unaffected by elevated CO2 in all months except April, in which plants grown in the HI plots had higher mortality rates. Together, these results demonstrate that root turnover is considerable in the grassland community and easily missed by destructive soil coring. However, increased fine root turnover under elevated CO2 is apparently not a major sink for extra photosynthate in this system.
    Type of Medium: Electronic Resource
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