2025 CSDMS meeting-107: Difference between revisions
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|CSDMS meeting first name=Hannah | |CSDMS meeting first name=Hannah | ||
|CSDMS meeting last name=Henry | |CSDMS meeting last name=Henry | ||
|CSDMS meeting institute=University of North Carolina at Chapel Hill | |CSDMS meeting institute=University of North Carolina at Chapel Hill | ||
|CSDMS meeting city=Chapel Hill | |CSDMS meeting city=Chapel Hill | ||
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|CSDMS meeting abstract title=The Effect of Climate and Management Strategies on Barrier Island Evolution: Insights from a Case Study of Hatteras Island | |CSDMS meeting abstract title=The Effect of Climate and Management Strategies on Barrier Island Evolution: Insights from a Case Study of Hatteras Island | ||
|Working_group_member_WG_FRG=Coastal Working Group | |Working_group_member_WG_FRG=Coastal Working Group | ||
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|CSDMS meeting coauthor first name abstract=Laura | |||
|CSDMS meeting coauthor last name abstract=Moore | |||
|CSDMS meeting coauthor institute / Organization=University of North Carolina at Chapel Hill | |||
|CSDMS meeting coauthor town-city=Chapel Hill | |||
|CSDMS meeting coauthor country=United States | |||
|State=North Carolina | |||
|CSDMS meeting coauthor email address=laura.moore@unc.edu | |||
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|CSDMS meeting coauthor first name abstract=Benton | |||
|CSDMS meeting coauthor last name abstract=Franklin | |||
|CSDMS meeting coauthor institute / Organization=University of North Carolina at Chapel Hill | |||
|CSDMS meeting coauthor town-city=Chapel Hill | |||
|CSDMS meeting coauthor country=United States | |||
|State=North Carolina | |||
|CSDMS meeting coauthor email address=wbenton@email.unc.edu | |||
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|CSDMS meeting coauthor first name abstract=Katherine | |||
|CSDMS meeting coauthor last name abstract=Anarde | |||
|CSDMS meeting coauthor institute / Organization=North Carolina State University | |||
|CSDMS meeting coauthor town-city=Raleigh | |||
|CSDMS meeting coauthor country=United States | |||
|State=North Carolina | |||
|CSDMS meeting coauthor email address=kanarde@ncsu.edu | |||
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|CSDMS meeting coauthor first name abstract=Soupy | |||
|CSDMS meeting coauthor last name abstract=Dalyander | |||
|CSDMS meeting coauthor institute / Organization=The Water Institute | |||
|CSDMS meeting coauthor town-city=Baton Rouge | |||
|CSDMS meeting coauthor country=United States | |||
|State=Louisiana | |||
|CSDMS meeting coauthor email address=sdalyander@thewaterinstitute.org | |||
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{{CSDMS meeting abstract template 2025 | {{CSDMS meeting abstract template 2025 | ||
|CSDMS meeting abstract=Barrier islands, which comprise ~10% of shorelines worldwide, are ecologically and economically important coastal systems. They also provide numerous ecosystem goods and services, acting as critical buffers that protect the mainland from storms, erosion, and other natural hazards. However, the dynamic nature of barrier island geomorphology and the processes that sustain them create complex coastal management challenges, particularly in response to more intense and frequent storms and rising sea levels. These challenges contribute to infrastructure vulnerability, habitat loss, and increasing maintenance costs for management actions like beach nourishment, negatively impacting coastal communities. Thus, understanding the interplay between natural processes and management decisions is essential for predicting the future of developed coastlines. Here, we apply the CoAStal Community-lAnDscape Evolution (CASCADE) model, a coupled landscape and human dynamics modeling framework, tailoring it to simulate geomorphic change on Hatteras Island, North Carolina — a barrier island in the Outer Banks experiencing severe erosion that threatens both properties and transportation routes along the NC-12 highway. Following a hindcast calibration and test, we assess the likely range of future island behavior under a range of different climate and management scenarios. Our approach integrates geomorphic and human decision-making processes and incorporates | |CSDMS meeting abstract=Barrier islands, which comprise ~10% of shorelines worldwide, are ecologically and economically important coastal systems. They also provide numerous ecosystem goods and services, acting as critical buffers that protect the mainland from storms, erosion, and other natural hazards. However, the dynamic nature of barrier island geomorphology and the processes that sustain them create complex coastal management challenges, particularly in response to more intense and frequent storms and rising sea levels. These challenges contribute to infrastructure vulnerability, habitat loss, and increasing maintenance costs for management actions like beach nourishment, negatively impacting coastal communities. Thus, understanding the interplay between natural processes and management decisions is essential for predicting the future of developed coastlines. Here, we apply the CoAStal Community-lAnDscape Evolution (CASCADE) model, a coupled landscape and human dynamics modeling framework, tailoring it to simulate geomorphic change on Hatteras Island, North Carolina — a barrier island in the Outer Banks experiencing severe erosion that threatens both properties and transportation routes along the NC-12 highway. Following a hindcast calibration and test, we assess the likely range of future island behavior under a range of different climate and management scenarios. Our approach integrates geomorphic and human decision-making processes and incorporates diverse datasets, such as LiDAR-derived elevations, historic shoreline change rates, storm records, sea-level rise projections, and management scenarios currently under consideration. This study demonstrates the utility of CASCADE as a tool for understanding coupled human-natural systems and provides a framework for assessing long-term coastal resilience and adaptation strategies under changing environmental conditions in other similar settings. | ||
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Latest revision as of 09:33, 27 March 2025
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The Effect of Climate and Management Strategies on Barrier Island Evolution: Insights from a Case Study of Hatteras Island
Hannah Henry,
University of North Carolina at Chapel Hill Chapel Hill North Carolina, United States. hahenry@unc.edu
Laura Moore, University of North Carolina at Chapel Hill Chapel Hill North Carolina, United States. laura.moore@unc.edu
Benton Franklin, University of North Carolina at Chapel Hill Chapel Hill North Carolina, United States. wbenton@email.unc.edu
Katherine Anarde, North Carolina State University Raleigh North Carolina, United States. kanarde@ncsu.edu
Soupy Dalyander, The Water Institute Baton Rouge Louisiana, United States. sdalyander@thewaterinstitute.org
Barrier islands, which comprise ~10% of shorelines worldwide, are ecologically and economically important coastal systems. They also provide numerous ecosystem goods and services, acting as critical buffers that protect the mainland from storms, erosion, and other natural hazards. However, the dynamic nature of barrier island geomorphology and the processes that sustain them create complex coastal management challenges, particularly in response to more intense and frequent storms and rising sea levels. These challenges contribute to infrastructure vulnerability, habitat loss, and increasing maintenance costs for management actions like beach nourishment, negatively impacting coastal communities. Thus, understanding the interplay between natural processes and management decisions is essential for predicting the future of developed coastlines. Here, we apply the CoAStal Community-lAnDscape Evolution (CASCADE) model, a coupled landscape and human dynamics modeling framework, tailoring it to simulate geomorphic change on Hatteras Island, North Carolina — a barrier island in the Outer Banks experiencing severe erosion that threatens both properties and transportation routes along the NC-12 highway. Following a hindcast calibration and test, we assess the likely range of future island behavior under a range of different climate and management scenarios. Our approach integrates geomorphic and human decision-making processes and incorporates diverse datasets, such as LiDAR-derived elevations, historic shoreline change rates, storm records, sea-level rise projections, and management scenarios currently under consideration. This study demonstrates the utility of CASCADE as a tool for understanding coupled human-natural systems and provides a framework for assessing long-term coastal resilience and adaptation strategies under changing environmental conditions in other similar settings.
