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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

Barkley Canyon gas hydrates: A synthesis based on two decades of seafloor observation and remote sensing Barkley Canyon gas hydrates: A synthesis based on two decades of seafloor observation and remote sensing

Barkley Canyon is one of the few known sites worldwide with the occurrence of thermogenic gas seepage and formation of structure-II and structure-H gas hydrate mounds on the seafloor. This site is the location of continuous seafloor monitoring as part of the Ocean Networks Canada (ONC) cabled observatory off the west coast off Vancouver Island, British Columbia, Canada. We combine repeat...
Authors
M. Reidel, M. Scherwath, M. Romer, C. K. Paull, E. Lundsten, D. W. Caress, P. Brewer, John Pohlman, L. L. Lapham, N. R. Chapman, M. Whiticar, G. D. Spence, R. Enkin, K. Douglas
By
Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

Detection and characterization of coastal tidal wetland change in the northeastern US using Landsat time series Detection and characterization of coastal tidal wetland change in the northeastern US using Landsat time series

Coastal tidal wetlands are highly altered ecosystems exposed to substantial risk due to widespread and frequent land-use change coupled with sea-level rise, leading to disrupted hydrologic and ecologic functions and ultimately, significant reduction in climate resiliency. Knowing where and when the changes have occurred, and the nature of those changes, is important for coastal...
Authors
Xiucheng Yang, Zhe Zhu, Shirley Qiu, Kevin D. Kroeger, Zhiliang Zhu, Scott Covington
By
Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

Predicted sea-level rise-driven biogeomorphological changes on Fire Island, New York: Implications for people and plovers Predicted sea-level rise-driven biogeomorphological changes on Fire Island, New York: Implications for people and plovers

Forecasting biogeomorphological conditions for barrier islands is critical for informing sea-level rise (SLR) planning, including management of coastal development and ecosystems. We combined five probabilistic models to predict SLR-driven changes and their implications on Fire Island, New York, by 2050. We predicted barrier island biogeomorphological conditions, dynamic landcover...
Authors
Sara Lynn Zeigler, Benjamin T. Gutierrez, Erika E. Lentz, Nathaniel Plant, Emily J. Sturdivant, Kara S. Doran
By
Coastal and Marine Hazards and Resources Program, St. Petersburg Coastal and Marine Science Center, Woods Hole Coastal and Marine Science Center

Estimating the aboveground biomass and carbon stocks of tall shrubs in a prerestoration degraded salt marsh Estimating the aboveground biomass and carbon stocks of tall shrubs in a prerestoration degraded salt marsh

Wetlands play a vital role in Earth's carbon cycle and provide important ecosystem services. Their ability to perform their roles can be compromised by human activities that destroy or impair their functioning. The restoration of degraded wetlands may allow carbon cycle functioning, as well as other services, to be recovered. Predicting the potential outcomes from any restoration project...
Authors
Jacqualyn Fouse, Meagan J. Eagle, Kevin D. Kroeger, Timothy P. Smith
By
Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

Bolide impact effects on the West Florida Platform, Gulf of Mexico: End Cretaceous and late Eocene Bolide impact effects on the West Florida Platform, Gulf of Mexico: End Cretaceous and late Eocene

This study documents seismic reflection evidence that two different bolide impacts significantly disrupted stratigraphic and depositional processes on the West Florida Platform. The first impact terminated the Late Cretaceous Epoch (Chicxulub; ~66 Ma; end Maastrichtian age). The second took place in the late Eocene (Chesapeake Bay; ~35 Ma; Priabonian age). Both impacts produced far...
Authors
Claude (Wylie) Poag
By
Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

Modeling the dynamics of salt marsh development in coastal land reclamation Modeling the dynamics of salt marsh development in coastal land reclamation

The valuable ecosystem services of salt marshes are spurring marsh restoration projects around the world. However, it is difficult to determine the final vegetated area based on physical drivers. Herein, we use a 3D fully coupled vegetation-hydrodynamic-morphological modeling system (COAWST), to simulate the final vegetation cover and the timescale to reach it under various forcing...
Authors
Yiyang Xu, Tarandeep S. Kalra, Neil K. Ganju, Sergio Fagherazzi
By
Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

USGS tools perform gas source analysis in the field USGS tools perform gas source analysis in the field

Field studies of gas hydrate rely on gas sampling and analysis tools to determine the origins and alteration of methane and other hydrocarbons. The conventional strategy for deciphering gas origins has been to collect gas and other related samples in the field then pack, ship, store, and later analyze these discrete samples in a laboratory using instruments that require specialized...
Authors
John Pohlman, Michael Casso, Lee-Gray Boze, Emile Bergeron
By
Woods Hole Coastal and Marine Science Center

Comparison of sediment composition by smear slides to quantitative shipboard data: A case study on the utility of smear slide percent estimates, IODP Expedition 353, northern Indian Ocean Comparison of sediment composition by smear slides to quantitative shipboard data: A case study on the utility of smear slide percent estimates, IODP Expedition 353, northern Indian Ocean

Smear slide petrography has been a standard technique during scientific ocean drilling expeditions to characterize sediment composition and classify sediment types, but presentation of these percent estimates to track downcore trends in sediment composition has become less frequent over the past 2 decades. We compare semi-quantitative smear slide composition estimates to physical...
Authors
Stephen C. Phillips, Kate Littler
By
Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

Mature diffuse tectonic block boundary revealed by the 2020 southwestern Puerto Rico seismic sequence Mature diffuse tectonic block boundary revealed by the 2020 southwestern Puerto Rico seismic sequence

Distributed faulting typically tends to coalesce into one or a few faults with repeated deformation. The progression of clustered medium-sized (≥Mw4.5) earthquakes during the 2020 seismic sequence in southwestern Puerto Rico (SWPR), modeling shoreline subsidence from InSAR, and sub-seafloor mapping by high-resolution seismic reflection profiles, suggest that the 2020 SWPR seismic...
Authors
Uri S. ten Brink, L Vanacore, E. J. Fielding, Jason Chaytor, A.M. Lopez-Venegas, Wayne E. Baldwin, David S. Foster, Brian D. Andrews
By
Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center, Supplemental Appropriations for Disaster Recovery Activities

Shoaling wave shape estimates from field observations and derived bedload sediment rates Shoaling wave shape estimates from field observations and derived bedload sediment rates

The shoaling transformation from generally linear deep-water waves to asymmetric shallow-water waves modifies wave shapes and causes near-bed orbital velocities to become asymmetrical, contributing to net sediment transport. In this work, we used two methods to estimate the asymmetric wave shape from data at three sites. The first method converted wave measurements made at the surface to...
Authors
Tarandeep S. Kalra, Steven E. Suttles, Christopher R. Sherwood, John C. Warner, Alfredo Aretxabaleta, Gibson Robert Scott Leavitt
By
Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

How much marsh restoration is enough to deliver wave attenuation coastal protection benefits? How much marsh restoration is enough to deliver wave attenuation coastal protection benefits?

As coastal communities grow more vulnerable to sea-level rise and increased storminess, communities have turned to nature-based solutions to bolster coastal resilience and protection. Marshes have significant wave attenuation properties and can play an important role in coastal protection for many communities. Many restoration projects seek to maximize this ecosystem service but how much...
Authors
Katherine A. Castagno, Neil K. Ganju, Michael W. Beck, Alison Bowden, Steven B. Scyphers
By
Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

Human-in-the-Loop segmentation of earth surface imagery Human-in-the-Loop segmentation of earth surface imagery

Segmentation, or the classification of pixels (grid cells) in imagery, is ubiquitously applied in the natural sciences. Manual methods are often prohibitively time-consuming, especially those images consisting of small objects and/or significant spatial heterogeneity of colors or textures. Labeling complicated regions of transition that in Earth surface imagery are represented by...
Authors
Daniel D. Buscombe, Evan B. Goldstein, Christopher R. Sherwood, Cameron S Bodine, Jenna A. Brown, Jaycee Favela, Sharon Fitzpatrick, Christine J. Kranenburg, Jin-Si R. Over, Andrew C. Ritchie, Jonathan A. Warrick, Phillipe Alan Wernette
By
Ecosystems Mission Area, Coastal and Marine Hazards and Resources Program, Pacific Coastal and Marine Science Center, Southwest Biological Science Center, St. Petersburg Coastal and Marine Science Center, Woods Hole Coastal and Marine Science Center, Supplemental Appropriations for Disaster Recovery Activities
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