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Summarizes the science of climate change and impacts on the United States, for the public and policymakers.
Climate change not only involves rising temperatures but it can also alter the hydro-meteorological parameters of a region and the corresponding changes emerging in the various biotic or abiotic environmental features. One of the results of climate change has been the impact on the sediment yield and its transport. These changes have implications for various other environmental components, particularly soils, water bodies, water quality, land productivity, sedimentation processes, glacier dynamics, and risk management strategies to name a few. This volume provides an overview of the fundamental processes and impacts of climate change on river basin management and examines issues related to soil erosion, sedimentation, and contaminants, as well as rainfall-runoff modeling and flood mitigation strategies. It also includes coverage of climate change fundamentals as well as chapters on related global treaties and policies.
A framework is developed for the assessment of climate change impacts on water resources systems. The applied techniques include: quantifying global climate model (GCM) skill over a range of time scales; developing future climate scenarios based on GCM data that are found to skillfully represent the observed climate over an historical baseline period; and using the climate scenarios together with hydrologic and water resources models to make assessments of the potential impacts and implications of climate change on water resources systems. A statistical analysis of GCM skill in East Africa shows that temperature is well represented in the GCMs at monthly to annual time scales. Precipitation is found to be much less reliable in the models and shows skill in fewer seasons and nodes than temperature. Eight climate scenarios, stemming from three global climate models and two atmospheric emissions scenarios, project temperature increases between 2 and 5 ° Celsius by the year 2080. Precipitation projections vary widely across models as well as regionally. The scenarios project changes in precipitation from -38% to +42%.
Cambridge, UK : Cambridge University Press, 1998.
"Climate change is an alarming issue that has affected the globe at multiple levels. It involves not only rising temperatures but also changes to the original hydro-meteorological parameters of a region and the corresponding changes emerging in the various biotic or abiotic environmental features. Changing landscapes have become quite visible, and one of the prominent results of climate change has been the impact on the sediment yield and its transport. These changes have implications for various other environmental components, particularly soils, water bodies, water quality, land productivity, sedimentation processes, glacier dynamics, and risk management strategies to name a few. Understanding recent changes in sediment yield impacts due to changing climate will enhance the field of water resources management as well as land conservation techniques. This handbook examines hydrology, watershed, soil erosion, global climate change scenarios, changing dynamics of streamflow and erosion, impact of changing sediment dynamics, major problems associated with change in the original sediment balance in nature, the latest computing technologies incorporated in the studies, risk control and management measures. It also includes case studies from various countries, which will help illustrate the problem of climate change, as well as introducing region-specific approaches"--