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Long-Term National & Regional Beach ...

Palaparthi, Jyothirmayi.

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Long-Term National & Regional Beach Nourishment Trends & Drivers: Implications for Coastal Resilience.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Long-Term National & Regional Beach Nourishment Trends & Drivers: Implications for Coastal Resilience./
作者:	Palaparthi, Jyothirmayi.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2023,
面頁冊數:	273 p.
附註:	Source: Dissertations Abstracts International, Volume: 85-07, Section: A.
Contained By:	Dissertations Abstracts International85-07A.
標題:	Ecology. -
電子資源:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30696133
ISBN:	9798381348750

Long-Term National & Regional Beach Nourishment Trends & Drivers: Implications for Coastal Resilience.
Palaparthi, Jyothirmayi.

Long-Term National & Regional Beach Nourishment Trends & Drivers: Implications for Coastal Resilience. - Ann Arbor : ProQuest Dissertations & Theses, 2023 - 273 p.

Source: Dissertations Abstracts International, Volume: 85-07, Section: A.

Thesis (Ph.D.)--Florida Atlantic University, 2023.

With the escalating challenges posed by global warming, sea-level rise, and natural disasters like hurricanes and tropical storms, coastal erosion has become a critical issue along the US coasts. The economic significance of U.S. coastlines, multitude of services offered by these coastal areas, underscores the critical importance of addressing the threats posed by both natural and human-induced factors that lead to erosion and coastal loss. To enhance future planning and to promote resilience of these invaluable coastal resources, it is essential to gain a comprehensive understanding of the strategies employed to mitigate coastal erosion in response to the diverse array of driving forces. A widely embraced solution to this erosion, caused by both natural forces and human activities, is beach nourishment.Historical assessments of beach nourishment at the regional level have been conducted, however, there remains a gap in national-level analysis examining the overarching trends and the diverse factors that impact these trends. This study aims to provide a comprehensive perspective on beach nourishment practices encompassing 16 coastal states, including the top ten highly nourished states, and an additional six states selected from various coastal regions. It delves into the multifaceted factors that shape these practices, offering a holistic understanding of the beach{A0}nourishment landscape at a national level. An extensive analysis of beach nourishment trends and the influence of factors such as sea level rise, storms, hurricanes, hurricane categories, and coastal management approval years on beach nourishment activities was conducted. A compelling connection is established between these extreme weather events and the volume of sediments was used to forecast the volume required for sixteen coastal states. The cumulative sediment volume projected for these 16 coastal states indicates a demand for 201,019,835 cubic meters over the next decade, incurring a total cost of 1.5 billion dollars. These findings underscore the pressing need for more cost-efficient shore protection approaches and emphasize the vital role of state-specific strategies in addressing the ever-growing demand for coastal resilience. The study also emphasizes comparative assessment of Regional Sediment Management - Beneficially Used Dredged Material (RSM/BUDM) and non-RSM projects, with particular emphasis on cost-effectiveness. On average, the cost per cubic meter placed in RSM projects is reduced by 45% when compared to non-RSM projects. Furthermore, based on the inlet proximity, the study proposes beaches for future RSM that had primarily conducted non-RSM projects in the past. Finally, a comprehensive evaluation was carried out to understand how different sediment characteristics impact sea turtle nesting, considering various sediment sources used in beach and dune restoration activities in Northern Palm Beach County, FL. The findings highlight that beach nourishment has evolved as a pivotal contributor to the preservation and enhancement of sea turtle habitats, emphasizing its importance in maintaining the health and resilience of these coastal ecosystems.This research collectively offers valuable insights into beach nourishment practices, cost efficient RSM/BUDM projects and their ecological effects. The findings furnish vital information for policymakers, coastal managers, and stakeholder, enabling them to design more effective coastal management strategies for the future. The research serves as a compass guiding coastal regions toward resilience, cost-efficiency, and sustainable ecosystems.

ISBN: 9798381348750Subjects--Topical Terms:

516476
Ecology.
Subjects--Index Terms:

Beach nourishment

Long-Term National & Regional Beach Nourishment Trends & Drivers: Implications for Coastal Resilience.
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