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Browse almost 5,000 conference papers authored by our scientists and refine search by topic, location, year, and advanced search.

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Coupling alongshore variations in wave energy to beach morphologic change using the SWAN wave model at Ocean Beach, San Francisco, CA Coupling alongshore variations in wave energy to beach morphologic change using the SWAN wave model at Ocean Beach, San Francisco, CA

Coastal managers have faced increasing pressure to manage their resources wisely over the last century as a result of heightened development and changing environmental forcing. It is crucial to understand seasonal changes in beach volume and shape in order to identify areas vulnerable to accelerated erosion. Shepard (1950) was among the first to quantify seasonal beach cycles. Sonu and...
Authors
Jodi L. Eshleman, Patrick L. Barnard, Li H. Erikson, Daniel M. Hanes
By
Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program

Model scenarios of shoreline change at Kaanapali Beach, Maui, Hawaii: Seasonal and extreme events Model scenarios of shoreline change at Kaanapali Beach, Maui, Hawaii: Seasonal and extreme events

Kaanapali beach is a well-defined littoral cell of carbonate sand extending 2 km south from Black Rock (a basalt headland) to Hanakao'o Point. The beach experiences dynamic seasonal shoreline change forced by longshore transport from two dominant swell regimes. In summer, south swells (Hs = 1–2 m Tp = 14–25 s) drive sand to the north, while in winter, north swells (Hs = 5–8 m Tp = 14–20...
Authors
Sean Vitousek, Charles H. Fletcher, Mark A. Merrifield, Geno Pawlak, Curt D. Storlazzi
By
Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program

Swash zone characteristics at Ocean Beach, San Francisco, CA Swash zone characteristics at Ocean Beach, San Francisco, CA

Runup data collected during the summer of 2005 at Ocean Beach, San Francisco, CA are analyzed and considered to be typical summer swash characteristics at this site. Analysis shows that the beach was dissipative with Iribarren numbers between 0.05 and 0.4 and that infragravity energy dominated. Foreshore slopes were mild between 0.01 and 0.05 with swash periods on the order of a minute...
Authors
L. H. Erikson, D.M. Hanes, P.L. Barnard, A. E. Gibbs
By
Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program

Microarchitectural change in density bands of the scleractinian montastraea faveolata, Looe Key Reef, Florida Keys, USA Microarchitectural change in density bands of the scleractinian montastraea faveolata, Looe Key Reef, Florida Keys, USA

No abstract available.
Authors
N.A. Buster, J.E. Sorauf
By
Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program

Toward the next bedrock geology map of the circumpolar Arctic Toward the next bedrock geology map of the circumpolar Arctic

No abstract available.
Authors
S. Harrison, P.J. Bergmann, B. M. Gamble, Steven P. Gordey, H. Jepson, T. Koren, B.G. Lopatin, K. Piepjohn, M. R. St-Onge, S.P. Shokalsky, K. Solli, S.I. Strelnikov, Frederic H. Wilson
By
Ecosystems Mission Area, Alaska Science Center

A circulation modeling approach for evaluating the conditions for shoreline instabilities A circulation modeling approach for evaluating the conditions for shoreline instabilities

Analytical models predict the growth (instability) of shoreline salients when deep-water waves approach the coast from highly oblique angles, contrary to classical shoreline change models in which shoreline salients can only dissipate. Using the process-based wave, circulation, and sediment transport model Delft3D, we test this prediction for simulated bathymetric and wave...
Authors
Jeffrey H. List, Andrew D. Ashton
By
Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center
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