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Scientific literature and information products produced by Woods Hole Coastal and Marine Science Center staff

Filter Total Items: 1737

Sediment distribution and transport across the continental shelf and slope under idealized wind forcing Sediment distribution and transport across the continental shelf and slope under idealized wind forcing

Resuspension, transport, and deposition of sediments over the continental shelf and slope are complex processes and there is still a need to understand the underlying spatial and temporal dynamical scales. As a step towards this goal, a two-dimensional slice model (zero gradients in the alongshore direction) based on the primitive flow equations and a range of sediment classes has been...
Authors
S.A. Condie, C. R. Sherwood

Coastal vulnerability assessment of Kaloko-Honokohau National Historical Park to sea-level rise Coastal vulnerability assessment of Kaloko-Honokohau National Historical Park to sea-level rise

A coastal vulnerability index (CVI) was used to map the relative vulnerability of the coast to future sea-level rise within Kaloko-Honokohau National Historical Park in Hawaii. The CVI ranks the following in terms of their physical contribution to sea-level rise-related coastal change: geomorphology, regional coastal slope, rate of relative sea-level rise, historical shoreline change...
Authors
Elizabeth A. Pendleton, E. Robert Thieler, S. Jeffress Williams

Quantity, composition, and source of sediment collected in sediment traps along the fringing coral reef off Molokai, Hawaii Quantity, composition, and source of sediment collected in sediment traps along the fringing coral reef off Molokai, Hawaii

Sediment traps were used to evaluate the frequency, cause, and relative intensity of sediment mobility/resuspension along the fringing coral reef off southern Molokai (February 2000–May 2002). Two storms with high rainfall, floods, and exceptionally high waves resulted in sediment collection rates > 1000 times higher than during non-storm periods, primarily because of sediment...
Authors
Michael H. Bothner, R. L. Reynolds, M.A. Casso, C. D. Storlazzi, M.E. Field

Character and distribution of exposed glaciodeltaic deposits off outer Cape Cod, Massachusetts, and their effects on hydrogeology and benthic habitats Character and distribution of exposed glaciodeltaic deposits off outer Cape Cod, Massachusetts, and their effects on hydrogeology and benthic habitats

Seabed outcrops of glaciodeltaic sediments were identified in four places east of Cape Cod, Massachusetts, during seismic-reflection, multibeam bathymetric and backscatter, bottom photographic, and sediment sampling surveys. These strata record coarser-grained ice-proximal glaciofluvial topset to finer-grained distal glaciolacustrine bottomset deposition within deltaic systems that...
Authors
L.J. Poppe, D.S. Foster, W. W. Danforth

Reversing storm hotspots on sandy beaches: Spatial and temporal characteristics Reversing storm hotspots on sandy beaches: Spatial and temporal characteristics

Coastal erosion hotspots are defined as sections of coast that exhibit significantly higher rates of erosion than adjacent areas. This paper describes the spatial and temporal characteristics of a recently identified type of coastal erosion hotspot, which forms in response to storms on uninterrupted sandy coasts largely free from human intervention. These are referred to here as...
Authors
J. H. List, A.S. Farris, C. Sullivan

Large internal waves in Massachusetts Bay transport sediments offshore Large internal waves in Massachusetts Bay transport sediments offshore

A field experiment was carried out in Massachusetts Bay in August 1998 to assess the role of large-amplitude internal waves (LIWs) in resuspending bottom sediments. The field experiment consisted of a four-element moored array extending from just west of Stellwagen Bank (90-m water depth) across Stellwagen Basin (85- and 50-m water depth) to the coast (24-m water depth). The LIWs were...
Authors
B. Butman, P. S. Alexander, A. Scotti, R.C. Beardsley, S.P. Anderson

Acoustic stratigraphy of Bear Lake, Utah-Idaho: late Quaternary sedimentation patterns in a simple half-graben Acoustic stratigraphy of Bear Lake, Utah-Idaho: late Quaternary sedimentation patterns in a simple half-graben

A 277-km network of high-resolution seismic-reflection profiles, supplemented with a sidescan-sonar mosaic of the lake floor, was collected in Bear Lake, Utah–Idaho, in order to explore the sedimentary framework of the lake's paleoclimate record. The acoustic stratigraphy is tied to a 120 m deep, continuously cored drill hole in the lake. Based on the age model for the drill core, the...
Authors
Steven M. Colman

Exploring the persistence of sorted bedforms on the inner-shelf of Wrightsville Beach, North Carolina Exploring the persistence of sorted bedforms on the inner-shelf of Wrightsville Beach, North Carolina

Geological studies offshore of Wrightsville Beach, North Carolina reveal subtle large-scale regions of coarse sand with gravel and shell hash (widths between 100 and 200 m and negative relief of ∼1 m) that trend obliquely to the coast. It was previously suggested that these regions serve as conduits for sand exchange between the shoreface and inner shelf during storm-associated...
Authors
Benjamin T. Gutierrez, George Voulgaris, E. Robert Thieler

Habitat and fish population in the deep-sea Oculina coral ecosystem of the western Atlantic Habitat and fish population in the deep-sea Oculina coral ecosystem of the western Atlantic

In this paper, we describe results from mapping studies conducted in 2001 and improvements to reef fish populations that have occurred in the last few years. We find that less than 10% of the area contains intact Oculina coral thickets, which we continue to attribute primarily to trawling. In addition, we find increased grouper density and male abundance inside the protected area...

Survey explores active tectonics in northeastern Caribbean Survey explores active tectonics in northeastern Caribbean

There is renewed interest in studying the active and complex northeastern Caribbean plate boundary to better understand subduction zone processes and for earthquake and tsunami hazard assessments [e.g., ten Brink and Lin, 2004; ten Brink et al., 2004; Grindlay et al., 2005]. To study the active tectonics of this plate boundary, the GEOPRICO-DO (Geological, Puerto Rico-Dominican) marine...
Authors
A. Carbo, D. Córdoba, A. Munoz-Martin, J.L. Granja, J. Martin-Davila, A. Pazos, M. Catalan, M. Gómez, Uri S. ten Brink, Christa von Hillebrandt, J. Payero
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