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Earthquake recurrence estimates for northern Caribbean faults from combinatorial optimization

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Woods Hole Coastal and Marine Science Center

2023 Annual Report

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Pragmatically mapping Phragmites with unoccupied aerial systems: A comparison of invasive species land cover classification using RGB and multispectral imagery

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Hydroacoustic observations reveal drivers of mixing and salinization of a karst subterranean estuary during intense precipitation

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

Featured Journal Article

Invasive Phragmites plants on the shore of a lake

Pragmatically mapping Phragmites with unoccupied aerial systems: A comparison of invasive species land cover classification using RGB and multispectral imagery

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Featured USGS Series

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Woods Hole Coastal and Marine Science Center—2023 Annual Report.  The 2023 annual report highlights accomplishments, includes a list of publications, and summarizes the work of the center and each of the science groups.

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Sound Waves

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Coastal and Marine Research News from Across the USGS

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Filter Total Items: 1737

Seabed mapping and characterization of sediment variability using the usSEABED data base Seabed mapping and characterization of sediment variability using the usSEABED data base

We present a methodology for statistical analysis of randomly located marine sediment point data, and apply it to the US continental shelf portions of usSEABED mean grain size records. The usSEABED database, like many modern, large environmental datasets, is heterogeneous and interdisciplinary. We statistically test the database as a source of mean grain size data, and from it provide a...
Authors
J.A. Goff, C.J. Jenkins, Williams S. Jeffress
By
Coastal and Marine Hazards and Resources Program, Pacific Coastal and Marine Science Center, St. Petersburg Coastal and Marine Science Center, Woods Hole Coastal and Marine Science Center

Temporal downscaling of decadal sediment load estimates to a daily interval for use in hindcast simulations Temporal downscaling of decadal sediment load estimates to a daily interval for use in hindcast simulations

In this study we used hydrologic proxies to develop a daily sediment load time-series, which agrees with decadal sediment load estimates, when integrated. Hindcast simulations of bathymetric change in estuaries require daily sediment loads from major tributary rivers, to capture the episodic delivery of sediment during multi-day freshwater flow pulses. Two independent decadal sediment...
Authors
N. K. Ganju, N. Knowles, D. H. Schoellhamer
By
Water Resources Mission Area, Woods Hole Coastal and Marine Science Center, California Water Science Center, San Francisco Bay and Sacramento-San Joaquin Delta Estuary

Quaternary geology and sedimentary processes in the vicinity of Six Mile Reef, eastern Long Island Sound Quaternary geology and sedimentary processes in the vicinity of Six Mile Reef, eastern Long Island Sound

Six Mile Reef, a sandy, 22-m-high shoal trending east-west and located about 7.8 km off the Connecticut coast, has a core of postglacial marine deltaic deposits mantled by tidally reworked modern sediments. Sedimentary environments off the eastern end of the shoal are characterized by processes associated with long-term erosion or nondeposition, a mobile-sediment-limited seafloor armored...
Authors
L.J. Poppe, S.J. Williams, M. S. Moser, N.A. Forfinski, H.F. Stewart, E. F. Doran
By
Woods Hole Coastal and Marine Science Center

Storm-driven sediment transport in Massachusetts Bay Storm-driven sediment transport in Massachusetts Bay

Massachusetts Bay is a semi-enclosed embayment in the western Gulf of Maine about 50 km wide and 100 km long. Bottom sediment resuspension is controlled predominately by storm-induced surface waves and transport by the tidal- and wind-driven circulation. Because the Bay is open to the northeast, winds from the northeast ('Northeasters') generate the largest surface waves and are thus the...
Authors
J.C. Warner, B. Butman, P.S. Dalyander
By
Woods Hole Coastal and Marine Science Center

Workshop summary: Physical properties of gas hydrate-bearing sediment Workshop summary: Physical properties of gas hydrate-bearing sediment

A wide range of particle and pore scale phenomena, often coupled, determines the macro-scale response of gas-hydrate bearing sediment to changes in mechanical, thermal, or chemical conditions. Predicting this macro-scale response is critical for applications such as optimizing the production of methane from gas-hydrate deposits, or determining the role of gas hydrates in global carbon...
Authors
William F. Waite, J.C. Santamarina
By
Woods Hole Coastal and Marine Science Center

Investigating gas hydrate as a factor in accretionary margin frontal ridge slope failures and cold seep biogeochemistry Investigating gas hydrate as a factor in accretionary margin frontal ridge slope failures and cold seep biogeochemistry

During August 2008, a research expedition (2008-007-PGC) was carried out offshore Vancouver Island on the northern Cascadia Margin (Figure 1) to study the role of gas hydrate in slope stability and cold seep biogeochemistry. The cruise was organized by the Geological Survey of Canada (GSC) as part of the Earth Science Sector, Natural Gas Hydrate Program, Natural Resources Canada (NRCan)...
Authors
R. Enkin, L. Esteban, R. Haacke, T.S. Hamilton, M. Hogg, L. Lapham, G. Middleton, P. Neelands, John W. Pohlman, M Riedel, K. Rose, A. Schlesinger, G. Standen, A. Stephenson, S. Taylor, W. Waite, X. Wang
By
Woods Hole Coastal and Marine Science Center

Modern perspectives on measuring and interpreting seafloor heat flux Modern perspectives on measuring and interpreting seafloor heat flux

There has been a resurgence of interest in marine heat flow in the past 10–15 years, coinciding with fundamental achievements in understanding the Earth's thermal state and quantifying the dynamics and impacts of material and energy fluxes within and between the lithosphere and hydrosphere. At the same time, technical capabilities have dwindled to the point that no U.S. academic...
Authors
Reid N. Harris, A. Fisher, C. Ruppel, F. Martinez
By
Woods Hole Coastal and Marine Science Center

Eddy correlation measurements of submarine groundwater discharge Eddy correlation measurements of submarine groundwater discharge

This paper presents a new, non-invasive means of quantifying groundwater discharge into marine waters using an eddy correlation approach. The method takes advantage of the fact that, in virtually all aquatic environments, the dominant mode of vertical transport near the sediment–water interface is turbulent mixing. The technique thus relies on measuring simultaneously the fluctuating...
Authors
John Crusius, P. Berg, D.J. Koopmans, L. Erban
By
Woods Hole Coastal and Marine Science Center

Shoaling of nonlinear internal waves in Massachusetts Bay Shoaling of nonlinear internal waves in Massachusetts Bay

The shoaling of the nonlinear internal tide in Massachusetts Bay is studied with a fully nonlinear and nonhydrostatic model. The results are compared with current and temperature observations obtained during the August 1998 Massachusetts Bay Internal Wave Experiment and observations from a shorter experiment which took place in September 2001. The model shows how the approaching...
Authors
A. Scotti, R.C. Beardsley, B. Butman, J. Pineda
By
Woods Hole Coastal and Marine Science Center

Using the Model Coupling Toolkit to couple earth system models Using the Model Coupling Toolkit to couple earth system models

Continued advances in computational resources are providing the opportunity to operate more sophisticated numerical models. Additionally, there is an increasing demand for multidisciplinary studies that include interactions between different physical processes. Therefore there is a strong desire to develop coupled modeling systems that utilize existing models and allow efficient data...
Authors
J.C. Warner, N. Perlin, E.D. Skyllingstad
By
Woods Hole Coastal and Marine Science Center

Controls on coastal dune morphology, shoreline erosion and barrier island response to extreme storms Controls on coastal dune morphology, shoreline erosion and barrier island response to extreme storms

The response of a barrier island to an extreme storm depends in part on the surge elevation relative to the height and extent of the foredunes which can exhibit considerable variability alongshore. While it is recognized that alongshore variations in dune height and width direct barrier island response to storm surge, the underlying causes of the alongshore variation remain poorly...
Authors
C. Houser, C. Hapke, S. Hamilton
By
Woods Hole Coastal and Marine Science Center

Climate change and global carbon cycle: Perspectives and opportunities Climate change and global carbon cycle: Perspectives and opportunities

The relevance of methane hydrates research to broader societal themes is often framed in terms of methane’s role in the global carbon cycle and its potential contribution to future climate change. To date, investigations of these fundamental issues have remained largely disconnected from applied studies focused on locating natural gas hydrate deposits, developing production technologies...
Authors
Carolyn D. Ruppel, John W. Pohlman
By
Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center
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