Estimated Impacts of Climate Warming on California Water Availability Under Twelve Future-climate Scenarios PDF Download
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Author:
Publisher:
ISBN:
Category : Climatic changes
Languages : en
Pages : 35
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Book Description
Author:
Publisher:
ISBN:
Category : Climatic changes
Languages : en
Pages : 35
Get Book Here
Book Description
Author:
Publisher:
ISBN:
Category : Climatic changes
Languages : en
Pages : 68
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Book Description
Author:
Publisher:
ISBN:
Category : Climatic changes
Languages : en
Pages : 76
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Book Description
Global climate change has the potential to dramatically alter hydrologic conditions in California by changing the spatial and temporal patterns of snow accumulation and snow melt. The water management infrastructure in California has been designed and is operated in accordance with historic hydrologic patterns. Understanding if and how this infrastructure can be managed in the face of global climate change in order to meet the array of vital water management objectives for the system is a critical research question addressed in part by this study. Here an application of the Water Evaluation and Planning (WEAP) system, developed by the Stockholm Environment Institute, is presented for California's Sacramento River Basin. WEAP is an integrated hydrology and water resources systems model that allows for assessment of climate change impact and adaptation in the water sector based solely on future climate time series. The model is used to evaluate the impact of four future climate scenarios on agricultural water management in the region, and to investigate whether water management adaptation could reduce potential impacts.
Author:
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ISBN:
Category : California
Languages : en
Pages : 36
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Author: Susanne C. Moser
Publisher:
ISBN:
Category : Climatic changes
Languages : en
Pages : 12
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Book Description
Author: Patrick A. Ray
Publisher: World Bank Publications
ISBN: 1464804788
Category : Business & Economics
Languages : en
Pages : 149
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Book Description
Confronting Climate Uncertainty in Water Resources Planning and Project Design describes an approach to facing two fundamental and unavoidable issues brought about by climate change uncertainty in water resources planning and project design. The first is a risk assessment problem. The second relates to risk management. This book provides background on the risks relevant in water systems planning, the different approaches to scenario definition in water system planning, and an introduction to the decision-scaling methodology upon which the decision tree is based. The decision tree is described as a scientifically defensible, repeatable, direct and clear method for demonstrating the robustness of a project to climate change. While applicable to all water resources projects, it allocates effort to projects in a way that is consistent with their potential sensitivity to climate risk. The process was designed to be hierarchical, with different stages or phases of analysis triggered based on the findings of the previous phase. An application example is provided followed by a descriptions of some of the tools available for decision making under uncertainty and methods available for climate risk management. The tool was designed for the World Bank but can be applicable in other scenarios where similar challenges arise.
Author:
Publisher:
ISBN:
Category : California
Languages : en
Pages : 68
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Book Description
Author: Joel B. Smith
Publisher: Edward Elgar Publishing
ISBN: 1847203124
Category : Business & Economics
Languages : en
Pages : 305
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Book Description
The book works well as a reference for how one can examine potential climate change impacts in a subnational area. A clear strength of the work lies in the unifying framework that the climate, population, and, to a somewhat lesser degree, urbanization scenarios provide. Collectively, these appear to bracket a wide range of possible drives that will shape climate change impacts. The overall analysis takes a refreshing approach in that it does not try to fit all these elements and the subsystem impact assessments into one grand integrated model, but rather develops the assessments from a common base while allowing each to follow its own logic and scale. . . it provides a welcome overview of how one can conduct a multisystem, multisector climate impact assessment that combines natural, engineering, and social sciences in a rigorous format. Kris Wernstedt, Journal of Regional Science Climate scientists have determined that recent global temperature increases are due in large part to increased greenhouse gas emissions from human activities. Even if mitigation of these gases begins immediately, there is every reason to believe that climate change will continue to occur. Every region in the world ought to forecast, as the contributors do in this study of California (a region of broad variation and high population), how it will be affected by climate change and how it might best adapt. Models are used to estimate potential physical and biological impacts, efficient adaptations, and residual damages from climate change. The contributors cover a broad array of climate change impacts on affected market sectors (including water supply, agriculture, coastal resources, timber, and energy demand) as well as ecosystems and biodiversity. An integrated hydrologic-agriculture model is developed to explore how the region would adapt to changes in water flows. Interactions between climate impacts and population and economic growth, urbanization, and technological change are also explored. For example, the study examines how both climate change and projected land development affect the region s terrestrial ecosystems and biodiversity. The level of geographical detail, along with the broad applicability of the modeling, methodology, and conclusions, make this a unique and valuable reference for environmental economists, scientists, planners, and policymakers.
Author: Amber Jean Kuss McCullum
Publisher:
ISBN: 9780355128574
Category :
Languages : en
Pages : 374
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Book Description
Appropriate water supply scenario modeling, that is, modeling techniques that capture the fullest range of dynamics observed in real hydrological systems, will be an essential tool in meeting 21st century water management challenges. This is especially salient in regions such as California, with large, water-dependent populations, agriculture and industry; complex water delivery systems; highly variable precipitation regimes; extended and pervasive droughts; and uncertainty in future water supply estimates associated with the potential effects of climate change. While scenario modeling is crucial, current methods often have limited incorporation of long-run forms of persistence, multi-year extremes, and a range of potential climate change effects. This dissertation addresses these applied research issues to improve historical water supply scenario modeling and highlight potential risks associated with climate change for inflows to the important Shasta/Trinity and Oroville Reservoirs of California. The goals of this dissertation were to: (1) identify and characterize long-run persistence in inflows; (2) incorporate this persistence, especially in the forms of hydrologic extremes, into water supply scenario modeling; (3) generate a range of potential hydrological futures under climate change for these inflows; and (4) examine supply reliability challenges and the role of scenario modeling in California water agencies. Key findings indicate that: (1) long-run persistence, related to large-scale climate oscillations such as the El Nino Southern Oscillation (ENSO) and the Pacific Decadal Oscillation (PDO), contribute to a significant portion of inflow variability; (2) use of an innovative hybrid Empirical Mode Decomposition (EMD)-Matalas modeling framework overcomes some of the limitations of traditional models to more accurately model modes of long-run persistence and multi-year extremes; (3) climate change presents potentially broad shifts and high uncertainty in future hydrological inflows where increased variance affects the frequency, duration, and intensity of floods and droughts; and (4) under this large uncertainty a water supply agency might wish to consider their risk profile and potential barriers to change.
Author:
Publisher:
ISBN:
Category : Climatic changes
Languages : en
Pages : 360
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Book Description
