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Author: Yunzhu Yin Publisher: ISBN: Category : Climatic changes Languages : en Pages : 0
Book Description
Estuaries are one of the most important aspects of coastal systems globally. They are often hubs for human civilisation due to the socioeconomic advantages they offer. As they are highly vulnerable to natural forces, including tides, waves, surges and river discharges, it is essential to study the relationship between estuarine morphologies and these natural variables, which is crucial in order to assess estuarine evolution.The Deben Estuary (UK) has been selected as the case study in this study as its morphology has been significantly changed over time. It can be expected that the estuary will undergo significant morphodynamic changes under future climate change. The objective of this study is to investigate the morphodynamic responses of the estuary to the climate change in order to better understand the relationship between morphological change and climate change.A regional scale depth-averaged hydrodynamic and morphodynamic model Delft 3D was set up to the Deben Estuary, which incorporates wave propagation. The model was validated against measurements of water levels and waves before using it to simulate detailed scenarios. Then, the future climate projection data was used as the boundary conditions for the model scenarios. First, the calm weather conditions were considered since the model was run in long-term time scale. Then the episodic events were accounted for to investigate the impact of waves in future storms on the estuarine morphodynamics.The results show that future climate change will enforce different responses of morphodynamics at the estuary. Responses vary depending on whether natural forces are episodic or long term, and also according to different climate change scenarios, such as different emission scenarios. The comparison between the responses under the present and future conditions indicates that the estuary may undergo different evolution to what is historically observed.
Author: Yunzhu Yin Publisher: ISBN: Category : Climatic changes Languages : en Pages : 0
Book Description
Estuaries are one of the most important aspects of coastal systems globally. They are often hubs for human civilisation due to the socioeconomic advantages they offer. As they are highly vulnerable to natural forces, including tides, waves, surges and river discharges, it is essential to study the relationship between estuarine morphologies and these natural variables, which is crucial in order to assess estuarine evolution.The Deben Estuary (UK) has been selected as the case study in this study as its morphology has been significantly changed over time. It can be expected that the estuary will undergo significant morphodynamic changes under future climate change. The objective of this study is to investigate the morphodynamic responses of the estuary to the climate change in order to better understand the relationship between morphological change and climate change.A regional scale depth-averaged hydrodynamic and morphodynamic model Delft 3D was set up to the Deben Estuary, which incorporates wave propagation. The model was validated against measurements of water levels and waves before using it to simulate detailed scenarios. Then, the future climate projection data was used as the boundary conditions for the model scenarios. First, the calm weather conditions were considered since the model was run in long-term time scale. Then the episodic events were accounted for to investigate the impact of waves in future storms on the estuarine morphodynamics.The results show that future climate change will enforce different responses of morphodynamics at the estuary. Responses vary depending on whether natural forces are episodic or long term, and also according to different climate change scenarios, such as different emission scenarios. The comparison between the responses under the present and future conditions indicates that the estuary may undergo different evolution to what is historically observed.
Author: Jiayi Pan Publisher: BoD – Books on Demand ISBN: 1789855799 Category : Science Languages : en Pages : 270
Book Description
Estuaries and their surrounding wetland regions are among the most productive ecosystems in the world, with more than half of humanity inhabiting their shores. Anthropogenic factors make estuaries highly susceptible to ecosystem degradation. Coastal waters are closely connected with human activity, and their dynamic processes may greatly affect coastal environments. This book provides a compendium of studies on estuarine dynamics, river plumes, and coastal water dynamics, studies that have investigated the changes in estuarine and coastal zones in response to sea-level rise and other environmental factors, and policy and management strategies to ensure the health and economy of coastal zones. This book aims to display novel frontiers in these fields and may help to inspire in-depth studies in the future.
Author: Derek Jackson Publisher: Elsevier ISBN: 0081029276 Category : Science Languages : en Pages : 814
Book Description
Sandy beaches represent some of the most dynamic environments on Earth and examining their morphodynamic behaviour over different temporal and spatial scales is challenging, relying on multidisciplinary approaches and techniques. Sandy Beach Morphodynamics brings together the latest research on beach systems and their morphodynamics and the ways in which they are studied in 29 chapters that review the full spectrum of beach morphodynamics. The chapters are written by leading experts in the field and provide introductory level understanding of physical processes and resulting landforms, along with more advanced discussions. Includes chapters that are written by the world's leading experts, including the latest up-to-date thinking on a variety of subject areas Covers state-of-the-art techniques, bringing the reader the latest technologies/methods being used to understand beach systems Presents a clear-and-concise description of processes and techniques that enables a clear understanding of coastal processes
Author: Laura J. Moore Publisher: Springer ISBN: 3319680862 Category : Science Languages : en Pages : 395
Book Description
This book presents chapters, written by leading coastal scientists, which collectively depict the current understanding of the processes that shape barrier islands and barrier spits, with an emphasis on the response of these landforms to changing conditions. A majority of the world’s population lives along the coast at the dynamic intersection between terrestrial and marine ecosystems and landscapes. As narrow, low-lying landforms, barriers are especially vulnerable to changes in sea level, storminess, the geographic distribution of grass species, and the rate of sand supply—some barriers will undergo rapid changes in state (e.g., from landward migrating to disintegrating), on human time scales. Attempts by humans to prevent change can hasten the loss of these landforms, threatening their continued existence as well as the recreational, financial and ecosystem service benefits they provide. Understanding the processes and interactions that drive landscape response to climate change and human actions is essential to adaptation. As managers and governments struggle to plan for the future along low-lying coasts worldwide, and scientists conduct research that provides useful guidance, this volume offers a much-needed compilation for these groups, as well as a window into the science of barrier dynamics for anyone who is generally interested in the impacts of a changing world on coastal environments.
Author: Michael J. Kennish Publisher: CRC Press ISBN: 1000917827 Category : Science Languages : en Pages : 684
Book Description
Climate change is having an increasing impact on coastal, estuarine, and marine environments worldwide. This book provides state-of-the-art coverage of climate change effects on estuarine ecosystems from local, regional, and global perspectives. With editors among the most noted international scholars in coastal ecology and estuarine science and contributors who are world-class in their fields, the chapters in this volume consist of comprehensive studies in coastal, estuarine and marine sciences, climate change, and coastal management and provide an extensive international collection of data in tabular, illustrated, and narrative formats useful for coastal scientists, planners, and managers. Comprised of three sections: (1) physical-chemical aspects; (2) biological aspects; and (3) management aspects, the book not only examines climatic and non-climatic drivers of change affecting coastal, estuarine, and marine environments but also their interactions and effects on populations of organisms, communities, habitats, and ecosystem structure and function. Pulling together today’s most salient issues and key literature advances for those concerned with coastal management, it allows the reader to see across direct and indirect interactions among disciplinary and ecosystem boundaries. Climate Change and Estuaries meets the research needs of climate scientists, estuarine and marine biologists, marine chemists, marine geologists, hydrologists, and coastal engineers, while students, professors, administrators, and other professionals will also find it an exhaustive reference.
Author: Duncan M. FitzGerald Publisher: Springer Science & Business Media ISBN: 140203296X Category : Science Languages : en Pages : 365
Book Description
This collection of papers offers a new approach to nearshore and estuary studies, with an emphasis on multidisciplinary techniques and data integration. The important results of these studies are accompanied by full color images.
Author: Publisher: Climate Change Science Program ISBN: Category : Atlantic Coast (Middle Atlantic States) Languages : en Pages : 320
Book Description
One of 21 climate change synthesis and assessment products commissioned by the U.S. Climate Change Science Program (CCSP), this report examines the effects of sea level rise, impacts on society, and opportunities to prepare for those consequences, focusing on the eight coastal states from New York to North Carolina. Using scientific literature and policy documents, the report describes potential changes to barrier.
Author: National Research Council Publisher: National Academies Press ISBN: 0309255945 Category : Science Languages : en Pages : 274
Book Description
Tide gauges show that global sea level has risen about 7 inches during the 20th century, and recent satellite data show that the rate of sea-level rise is accelerating. As Earth warms, sea levels are rising mainly because ocean water expands as it warms; and water from melting glaciers and ice sheets is flowing into the ocean. Sea-level rise poses enormous risks to the valuable infrastructure, development, and wetlands that line much of the 1,600 mile shoreline of California, Oregon, and Washington. As those states seek to incorporate projections of sea-level rise into coastal planning, they asked the National Research Council to make independent projections of sea-level rise along their coasts for the years 2030, 2050, and 2100, taking into account regional factors that affect sea level. Sea-Level Rise for the Coasts of California, Oregon, and Washington: Past, Present, and Future explains that sea level along the U.S. west coast is affected by a number of factors. These include: climate patterns such as the El Niño, effects from the melting of modern and ancient ice sheets, and geologic processes, such as plate tectonics. Regional projections for California, Oregon, and Washington show a sharp distinction at Cape Mendocino in northern California. South of that point, sea-level rise is expected to be very close to global projections. However, projections are lower north of Cape Mendocino because the land is being pushed upward as the ocean plate moves under the continental plate along the Cascadia Subduction Zone. However, an earthquake magnitude 8 or larger, which occurs in the region every few hundred to 1,000 years, would cause the land to drop and sea level to suddenly rise.
Author: Intergovernmental Panel on Climate Change (IPCC) Publisher: Cambridge University Press ISBN: 1009178466 Category : Science Languages : en Pages : 1807
Book Description
The Intergovernmental Panel on Climate Change (IPCC) is the leading international body for assessing the science related to climate change. It provides policymakers with regular assessments of the scientific basis of human-induced climate change, its impacts and future risks, and options for adaptation and mitigation. This IPCC Special Report on the Ocean and Cryosphere in a Changing Climate is the most comprehensive and up-to-date assessment of the observed and projected changes to the ocean and cryosphere and their associated impacts and risks, with a focus on resilience, risk management response options, and adaptation measures, considering both their potential and limitations. It brings together knowledge on physical and biogeochemical changes, the interplay with ecosystem changes, and the implications for human communities. It serves policymakers, decision makers, stakeholders, and all interested parties with unbiased, up-to-date, policy-relevant information. This title is also available as Open Access on Cambridge Core.
Author: Yunzhu Yin
Author: Yunzhu Yin
Author: Jiayi Pan
Author: Derek Jackson
Author: Laura J. Moore
Author: Michael J. Kennish
Author: Duncan M. FitzGerald
Author: 
Author: National Research Council
Author: John B. Anderson
Author: Intergovernmental Panel on Climate Change (IPCC)