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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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Coastal and Marine Research News from Across the USGS

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Filter Total Items: 1737

Short-term sediment dispersal on a large retreating coastal river delta via 234Th and 7Be sediment geochronology: The Mississippi River Delta Front Short-term sediment dispersal on a large retreating coastal river delta via 234Th and 7Be sediment geochronology: The Mississippi River Delta Front

Many Mississippi River Delta studies have shown recent declines in fluvial sediment load from the river and associated land loss. In contrast, recent sedimentary processes on the subaqueous delta are less documented. To help address this knowledge gap, multicores were collected offshore from the three main river outlets at water depths of 25–280 m in June 2017 just after the peak river...
Authors
Andrew Courtois, Samuel J. Bentley, Jillian Maloney, Kehui Xu, Jason Chaytor, Ioannis Georgiou, Michael Miner, Jeffery Obelcz, Navid H. Jafari, Melanie Damour
By
Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

Sedimentary processes and instability on the Mississippi River Delta Front near the shipwreck of the SS Virginia Sedimentary processes and instability on the Mississippi River Delta Front near the shipwreck of the SS Virginia

Sediment cores were collected from a mudflow lobe (80 m water depth) offshore of the Mississippi River’s Southwest Pass in 2017 to better understand the sedimentology near the lobe entraining the SS Virginia shipwreck (sunk by a German U-boat in 1942) and surrounding Mississippi River delta front. Core analyses included 210Pb/137Cs geochronology, granulometry, and X-radiography. Sediment
Authors
Nathan Figueredo, Samuel J. Bentley, Jason Chaytor, Kehui Xu, Navid H. Jafari, Iaonnis Georgiou, Melanie D'amour, Jeffrey Duxbury, Jeffrey B. Obelcz, Jillian Maloney
By
Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

National shoreline change—Summary statistics of shoreline change from the 1800s to the 2010s for the coast of California National shoreline change—Summary statistics of shoreline change from the 1800s to the 2010s for the coast of California

Rates of shoreline change have been updated for the open-ocean sandy coastline of California as part of studies conducted by the U.S. Geological Survey. Shorelines from the original assessment (1800s through 1998 or 2002), as well as additional shoreline position data from 2009 to 2011, 2015, and 2016 extracted from light detection and ranging (lidar) data, were used to compute long-term...
Authors
Meredith Kratzmann
By
Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

The Coastal Carbon Library and Atlas: Open source soil data and tools supporting blue carbon research and policy The Coastal Carbon Library and Atlas: Open source soil data and tools supporting blue carbon research and policy

Quantifying carbon fluxes into and out of coastal soils is critical to meeting greenhouse gas reduction and coastal resiliency goals. Numerous ‘blue carbon’ studies have generated, or benefitted from, synthetic datasets. However, the community those efforts inspired does not have a centralized, standardized database of disaggregated data used to estimate carbon stocks and fluxes. In this...
Authors
James R. Holmquist, David Klinges, Michael Lonneman, Jaxine Wolfe, Brandon Boyd, Meagan Eagle, Jonathan Sanderman, Katherine Todd-Brown, Lauren Brown, E. Belshe, Samantha Chapman, Ron Corstanje, Christopher Janousek, James Morris, Gregory Noe, Andre Rovai, Amanda Spivak, Megan Vahsen, Lisamarie Windham-Myers, Kevin Kroeger, Patrick Megonigal
By
Ecosystems Land Change Science Program, Woods Hole Coastal and Marine Science Center

Biophysical drivers of coastal treeline elevation Biophysical drivers of coastal treeline elevation

Sea level rise is leading to the rapid migration of marshes into coastal forests and other terrestrial ecosystems. Although complex biophysical interactions likely govern these ecosystem transitions, projections of sea level driven land conversion commonly rely on a simplified “threshold elevation” that represents the elevation of the marsh-upland boundary based on tidal datums alone. To...
Authors
Grace Molino, Joel A. Carr, Neil K. Ganju, Mathew Kirwan
By
Ecosystems Land Change Science Program, Chesapeake Bay Activities, Eastern Ecological Science Center, Woods Hole Coastal and Marine Science Center

Carbonate chemistry and carbon sequestration driven by inorganic carbon outwelling from mangroves and saltmarshes Carbonate chemistry and carbon sequestration driven by inorganic carbon outwelling from mangroves and saltmarshes

Mangroves and saltmarshes are biogeochemical hotspots storing carbon in sediments and in the ocean following lateral carbon export (outwelling). Coastal seawater pH is modified by both uptake of anthropogenic carbon dioxide and natural biogeochemical processes, e.g., wetland inputs. Here, we investigate how mangroves and saltmarshes influence coastal carbonate chemistry and quantify the
Authors
Gloria Reithmaier, Alex Cabral, Anirban Akhand, Matthew Bogard, Alberto V. Borges, Steven Bouillon, David Burdige, Mitchel Call, Nengwang Chen, Xiaogang Chen, Cotovicz, Meagan Eagle, Erik Kristensen, Kevin Kroeger, Zeyang Lu, Damien Maher, Lucas Perez-Llorens, Raghab Ray, Pierre Taillardat, Joseph Tamborski, Robert Upstill-Goddard, Faming Wang, Zhaohui Aleck Wang, Kai Xiao, Yvonne Yau, Isaac Santos
By
Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

Hydraulic properties of sediments from the GC955 gas hydrate reservoir in the Gulf of Mexico Hydraulic properties of sediments from the GC955 gas hydrate reservoir in the Gulf of Mexico

The economic feasibility of gas production from hydrate deposits is critical for hydrate to become an energy resource. Permeability in hydrate-bearing sediments dictates gas and water flow rates and needs to be accurately evaluated. Published permeability studies of hydrate-bearing sediments mostly quantify vertical permeability; however, the flow is mainly horizontal during gas...
Authors
Imgenur Tepecik, Yumeng Zhao, Yongkoo Seol, Adrian Garcia, William F. Waite, Sheng Dai
By
Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

Practical guide to measuring wetland carbon pools and fluxes Practical guide to measuring wetland carbon pools and fluxes

Wetlands cover a small portion of the world, but have disproportionate influence on global carbon (C) sequestration, carbon dioxide and methane emissions, and aquatic C fluxes. However, the underlying biogeochemical processes that affect wetland C pools and fluxes are complex and dynamic, making measurements of wetland C challenging. Over decades of research, many observational...
Authors
Sheel Bansal, Irena F. Creed, Brian Tangen, Scott Bridgham, Ankur Desai, Ken Krauss, Scott Neubauer, Gregory Noe, Donald Rosenberry, Carl Trettin, Kimberly Wickland, Scott Allen, Ariane Arias-Ortiz, Anna Armitage, Dennis Baldocchi, Kakoli Banerjee, David Bastviken, Peter Berg, Matthew Bogard, Alex Chow, William Conner, Christopher Craft, Courtney Creamer, Tonya Delsontro, Jamie Duberstein, Meagan Eagle, M. Fennessey, Sarah Finkelstein, Mathias Goeckede, Sabine Grunwald, Meghan Halibisky, Ellen Herbert, Mohammad Jahangir, Olivia Johnson, Miriam Jones, Jeffrey Kelleway, Sarah Knox, Kevin Kroeger, Kevin Kuehn, David Lobb, Amanda Loder, Shizhou Ma, Damien Maher, Gavin McNicol, Jacob Meier, Beth Middleton, Christopher Mills, Purbasha Mistry, Abhijith Mitra, Courtney Mobilian, Amanda Nahlik, Sue Newman, Jessica O’Connell, Patty Oikawa, Max Post van der Burg, Charles Schutte, Chanchung Song, Camille Stagg, Jessica Turner, Rodrigo Vargas, Mark Waldrop, Markus Wallin, Zhaohui Wang, Eric Ward, Debra A. Willard, Stephanie Yarwood, Xiaoyan Zhu
By
Ecosystems Mission Area, Water Resources Mission Area, Ecosystems Land Change Science Program, Florence Bascom Geoscience Center, Geology, Minerals, Energy, and Geophysics Science Center, Geosciences and Environmental Change Science Center, Northern Prairie Wildlife Research Center, Wetland and Aquatic Research Center , Woods Hole Coastal and Marine Science Center

Geologic carbon management options for the North Atlantic-Appalachian Region Geologic carbon management options for the North Atlantic-Appalachian Region

Introduction The U.S. Geological Survey (USGS) North Atlantic-Appalachian Region is developing the regionwide capacity to provide timely science support for decision-makers attempting to enhance carbon removal, sequestration, and emissions mitigation to meet national atmospheric carbon reduction goals. The U.S. Environmental Protection Agency (EPA) reported that in 2021, the fourteen...
Authors
Peter D. Warwick, Madalyn S. Blondes, Sean T. Brennan, Steven M. Cahan, C. Karacan, Kevin Kroeger, Matthew D. Merrill
By
Energy Resources Program, Geology, Energy & Minerals Science Center, Woods Hole Coastal and Marine Science Center

Woods Hole Coastal and Marine Science Center—2022 annual report Woods Hole Coastal and Marine Science Center—2022 annual report

The 2022 annual report of the U.S. Geological Survey Woods Hole Coastal and Marine Science Center highlights accomplishments of 2022, includes a list of 2022 publications, and summarizes the work of the center, as well as the work of each of its science groups. This product allows readers to gain a general understanding of the focus areas of the center’s scientific research and learn...
Authors
Sara Ernst
By
Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

High-frequency variability of carbon dioxide fluxes in tidal water over a temperate salt marsh High-frequency variability of carbon dioxide fluxes in tidal water over a temperate salt marsh

Existing analyses of salt marsh carbon budgets rarely quantify carbon loss as CO2 through the air–water interface in inundated marshes. This study estimates the variability of partial pressure of CO2 (pCO2) and air–water CO2 fluxes over summer and fall of 2014 and 2015 using high-frequency measurements of tidal water pCO2 in a salt marsh of the U.S. northeast region. Monthly mean CO2...
Authors
Shuzhen Song, Zhaohui Aleck Wang, Kevin Kroeger, Meagan Eagle, Sophie Chu, Jianzhong Ge
By
Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

Mapping methane reduction potential of tidal wetland restoration in the United States Mapping methane reduction potential of tidal wetland restoration in the United States

Coastal wetlands can emit excess methane in cases where they are impounded and artificially freshened by structures that impede tidal exchange. We provide a new assessment of coastal methane reduction opportunities for the contiguous United States by combining multiple publicly available map layers, reassessing greenhouse gas emissions datasets, and applying scenarios informed by...
Authors
James Holmquist, Meagan Eagle, Rebecca Molinari, Sydney Nick, Liana Stachowicz, Kevin Kroeger
By
Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center
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