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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

Intertidal salt marshes as an important source of inorganic carbon to the coastal ocean Intertidal salt marshes as an important source of inorganic carbon to the coastal ocean

Dynamic tidal export of dissolved inorganic carbon (DIC) to the coastal ocean from highly productive intertidal marshes and its effects on seawater carbonate chemistry are thoroughly evaluated. The study uses a comprehensive approach by combining tidal water sampling of CO2parameters across seasons, continuous in situ measurements of biogeochemically-relevant parameters and water fluxes...
Authors
Zhaohui Aleck Wang, Kevin D. Kroeger, Neil K. Ganju, Meagan Gonneea Eagle, Sophie N. Chu
By
Woods Hole Coastal and Marine Science Center

Significance of groundwater discharge along the coast of Poland as a source of dissolved metals to the southern Baltic Sea Significance of groundwater discharge along the coast of Poland as a source of dissolved metals to the southern Baltic Sea

Fluxes of dissolved trace metals (Cd, Co, Cr, Cu, Mn, Ni, Pb, and Zn) via groundwater discharge along the southern Baltic Sea have been assessed for the first time. Dissolved metal concentrations in groundwater samples were less variable than in seawater and were generally one or two orders of magnitude higher: Cd (2.1–2.8 nmol L− 1), Co (8.70–8.76 nmol L− 1), Cr (18.1–18.5 nmol L− 1)...
Authors
Beata Szymczycha, Kevin D. Kroeger, Janusz Pempkowiak
By
Woods Hole Coastal and Marine Science Center

Quantification of storm-induced bathymetric change in a back-barrier estuary Quantification of storm-induced bathymetric change in a back-barrier estuary

Geomorphology is a fundamental control on ecological and economic function of estuaries. However, relative to open coasts, there has been little quantification of storm-induced bathymetric change in back-barrier estuaries. Vessel-based and airborne bathymetric mapping can cover large areas quickly, but change detection is difficult because measurement errors can be larger than the actual...
Authors
Neil K. Ganju, Steven E. Suttles, Alexis Beudin, Daniel J. Nowacki, Jennifer L. Miselis, Brian D. Andrews
By
Woods Hole Coastal and Marine Science Center

Source characterization and tsunami modeling of submarine landslides along the Yucatán Shelf/Campeche Escarpment, southern Gulf of Mexico Source characterization and tsunami modeling of submarine landslides along the Yucatán Shelf/Campeche Escarpment, southern Gulf of Mexico

Submarine landslides occurring along the margins of the Gulf of Mexico (GOM) represent a low-likelihood, but potentially damaging source of tsunamis. New multibeam bathymetry coverage reveals that mass wasting is pervasive along the Yucatán Shelf edge with several large composite landslides possibly removing as much as 70 km3 of the Cenozoic sedimentary section in a single event. Using...
Authors
Jason D. Chaytor, Eric L. Geist, Charles K. Paull, David W Caress, Roberto Gwiazda, Jaime Urrutia Fucugauchi, Mario Rebolledo Vieyra
By
Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program, Landslide Hazards Program, Geologic Hazards Science Center, Pacific Coastal and Marine Science Center, Woods Hole Coastal and Marine Science Center

Methane turnover and environmental change from Holocene biomarker records in a thermokarst lake in Arctic Alaska Methane turnover and environmental change from Holocene biomarker records in a thermokarst lake in Arctic Alaska

Arctic lakes and wetlands contribute a substantial amount of methane to the contemporary atmosphere, yet profound knowledge gaps remain regarding the intensity and climatic control of past methane emissions from this source. In this study, we reconstruct methane turnover and environmental conditions, including estimates of mean annual and summer temperature, from a thermokarst lake (Lake...
Authors
Marcus Elvert, John W. Pohlman, Kevin W. Becker, Benjamin V. Gaglioti, Kai-Uwe Hinrichs, Matthew J. Wooller
By
Woods Hole Coastal and Marine Science Center

Finite-frequency wave propagation through outer rise fault zones and seismic measurements of upper mantle hydration Finite-frequency wave propagation through outer rise fault zones and seismic measurements of upper mantle hydration

Effects of serpentine-filled fault zones on seismic wave propagation in the upper mantle at the outer rise of subduction zones are evaluated using acoustic wave propagation models. Modeled wave speeds depend on azimuth, with slowest speeds in the fault-normal direction. Propagation is fastest along faults, but, for fault widths on the order of the seismic wavelength, apparent wave speeds...
Authors
Nathaniel C. Miller, Daniel Lizarralde
By
Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center, Subduction Zone Science

Technical Note: Harmonizing met-ocean model data via standard web services within small research groups Technical Note: Harmonizing met-ocean model data via standard web services within small research groups

Work over the last decade has resulted in standardised web services and tools that can significantly improve the efficiency and effectiveness of working with meteorological and ocean model data. While many operational modelling centres have enabled query and access to data via common web services, most small research groups have not. The penetration of this approach into the research...
Authors
Richard P. Signell, E. Camossi
By
Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

Submarine landslides in Arctic sedimentation: Canada Basin Submarine landslides in Arctic sedimentation: Canada Basin

Canada Basin of the Arctic Ocean is the least studied ocean basin in the World. Marine seismic field programs were conducted over the past 6 years using Canadian and American icebreakers. These expeditions acquired more than 14,000 line-km of multibeam bathymetric and multi-channel seismic reflection data over abyssal plain, continental rise and slope regions of Canada Basin; areas where...
Authors
David C. Mosher, John Shimeld, Deborah R. Hutchinson, N Lebedova-Ivanova, C. Chapman
By
Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program, Landslide Hazards Program, Geologic Hazards Science Center, Woods Hole Coastal and Marine Science Center

Shallow geology, sea-floor texture, and physiographic zones of Vineyard and western Nantucket Sounds, Massachusetts Shallow geology, sea-floor texture, and physiographic zones of Vineyard and western Nantucket Sounds, Massachusetts

Geologic, sediment texture, and physiographic zone maps characterize the sea floor of Vineyard and western Nantucket Sounds, Massachusetts. These maps were derived from interpretations of seismic-reflection profiles, high-resolution bathymetry, acoustic-backscatter intensity, bottom photographs/video, and surficial sediment samples collected within the 494-square-kilometer study area
Authors
Wayne E. Baldwin, David S. Foster, Elizabeth A. Pendleton, Walter A. Barnhardt, William C. Schwab, Brian D. Andrews, Seth D. Ackerman
By
Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

Shallower structure and geomorphology of the southern Puerto Rico offshore margin Shallower structure and geomorphology of the southern Puerto Rico offshore margin

Oblique convergence between the North American and Caribbean plates along the eastern Greater Antilles island arc has yielded the compressive Muertos margin in the backarc region. The Muertos margin is characterized by an asymmetric thrust belt with overall opposite vergence to the subduction system in the forearc region. Offshore south of Puerto Rico, this thrust belt disappears and is...
Authors
Bruna J.L. Granja, A. Munoz-Martin, A. Carbó-Gorosabel, Estrada P. Llanes
By
Woods Hole Coastal and Marine Science Center

Variability of bed drag on cohesive beds under wave action Variability of bed drag on cohesive beds under wave action

Drag force at the bed acting on water flow is a major control on water circulation and sediment transport. Bed drag has been thoroughly studied in sandy waters, but less so in muddy coastal waters. The variation of bed drag on a muddy shelf is investigated here using field observations of currents, waves, and sediment concentration collected during moderate wind and wave events. To...
Authors
Ilgar Safak
By
Woods Hole Coastal and Marine Science Center

Pockmarks in Passamaquoddy Bay, New Brunswick, Canada Pockmarks in Passamaquoddy Bay, New Brunswick, Canada

Pockmarks are seafloor depressions associated with fluid escape (Judd & Hovland 2007). They proliferate in the muddy seafloors of coastal Gulf of Maine and Bay of Fundy, where they are associated with shallow natural gas likely of biogenic origin (Ussler et al. 2003; Rogers et al. 2006; Wildish et al. 2008). In North America, shallow-water pockmark fields are not reported south of Long...
Authors
Laura L. Brothers, Christine Legere, J.E. Hughes Clark, J.T. Kelley, Walter Barnhardt, Brian Andrews, D.F. Belknap
By
Woods Hole Coastal and Marine Science Center
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