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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

Potential freshening impacts on fines migration and pore-throat clogging during gas hydrate production: 2-D micromodel study with Diatomaceous UBGH2 sediments Potential freshening impacts on fines migration and pore-throat clogging during gas hydrate production: 2-D micromodel study with Diatomaceous UBGH2 sediments

The methane gas hydrate stored in natural sediments is considered a potential gas resource. Countries such as China, India, Japan, and Korea are interested in commercializing this resource, and offshore field pilot tests for gas production have been conducted using depressurization methods to destabilize gas hydrate and facilitate the migration of methane to the production well. However...
Authors
Junbong Jang, Shaung Cao, Laura A. Stern, William F. Waite, Jongwon Jung, Joo Yong Lee
By
Woods Hole Coastal and Marine Science Center

Short and long-term movement of mudflows of the Mississippi River Delta Front and their known and potential impacts on oil and gas infrastructure Short and long-term movement of mudflows of the Mississippi River Delta Front and their known and potential impacts on oil and gas infrastructure

Mudflows on the Mississippi River Delta Front (MRDF) are recognized hazards to oil and gas infrastructure in the shallow (20 – 300 m water depth) Gulf of Mexico. Preconditioning of the seafloor for failure results from high sedimentation rates coupled with slope over-steepening, under-consolidation, and abundant biogenic gas production. Catastrophic failure of production platforms and...
Authors
Jason Chaytor, Wayne E. Baldwin, Samuel J. Bentley, Melanie Damour, Douglas Jones, Jillian Maloney, Michael Miner, Jeff Obelcz, Kehui Xu
By
Woods Hole Coastal and Marine Science Center

Gas hydrate petroleum systems: What constitutes the “seal”? Gas hydrate petroleum systems: What constitutes the “seal”?

The gas hydrate petroleum system (GHPS) approach, which has been used to characterize gas hydrates in nature, utilizes three distinct components: a methane source, a methane migration pathway, and a reservoir that not only contains gas hydrate, but also acts as a seal to prevent methane loss. Unlike GHPS, a traditional petroleum system (PS) approach further distinguishes between the...
Authors
Junbong Jang, William F. Waite, Laura A. Stern
By
Woods Hole Coastal and Marine Science Center

The role of Northeast Pacific meltwater events in deglacial climate change The role of Northeast Pacific meltwater events in deglacial climate change

Columbia River megafloods occurred repeatedly during the last deglaciation, but the impacts of this fresh water on Pacific hydrography are largely unknown. To reconstruct changes in ocean circulation during this period, we used a numerical model to simulate the flow trajectory of Columbia River megafloods and compiled records of sea surface temperature, paleo-salinity, and deep-water...
Authors
Summer K. Praetorius, Alan Condron, Alan Mix, Maureen Walczak, Jennifer McKay, Jianghui Du
By
Ecosystems Land Change Science Program, Geology, Minerals, Energy, and Geophysics Science Center, Woods Hole Coastal and Marine Science Center

An important biogeochemical link between organic and inorganic carbon cycling: Effects of organic alkalinity on carbonate chemistry in coastal waters influenced by intertidal salt marshes An important biogeochemical link between organic and inorganic carbon cycling: Effects of organic alkalinity on carbonate chemistry in coastal waters influenced by intertidal salt marshes

Organic acid charge groups in dissolved organic carbon (DOC) contribute to total alkalinity (TA), i.e. organic alkalinity (OrgAlk). Its effect is often ignored or treated as a calculation uncertainty in many aquatic CO2 studies. This study evaluated the variability, sources, and characteristics of OrgAlk in estuarine waters exchanged tidally with a groundwater-influenced salt marsh in...
Authors
Shuzhen Song, Zhaohui Aleck Wang, Meagan Gonneea Eagle, Kevin D. Kroeger, Sophie N. Chu, Daoji Li, Haorui Liang
By
Woods Hole Coastal and Marine Science Center

Getting to the core of the matter Getting to the core of the matter

The topic of carbon sequestration in coastal salt marshes can serve as the basis of an investigation story line with plenty of authentic relevance and drama! Consider establishing the context with students as an introduction to this lesson. Many resources for teaching about carbon uptake and sequestration in coastal wetlands can be found at the Bringing Wetlands to Market website. Some...
Authors
Meagan Gonneea Eagle
By
Woods Hole Coastal and Marine Science Center

Determining the drivers of suspended sediment dynamics in tidal marsh-influenced estuaries using high-resolution ocean color remote sensing Determining the drivers of suspended sediment dynamics in tidal marsh-influenced estuaries using high-resolution ocean color remote sensing

Sediment budgets are a critical metric to assess coastal marsh vulnerability to sea-level rise and declining riverine sediment inputs. However, calculating accurate sediment budgets is challenging in tidal marsh-influenced estuaries where suspended sediment concentrations (SSC) typically vary on scales of hours and meters, and where SSC dynamics are driven by a complex and often site...
Authors
Xiaohe Zhang, Cedric Fichot, Carly Baracco, Ruizhe Guo, Sydney Neugebauer, Zachary Bengtsson, Neil K. Ganju, Sergio Fagherazzi
By
Woods Hole Coastal and Marine Science Center

Meteotsunamis triggered by tropical cyclones Meteotsunamis triggered by tropical cyclones

Tropical cyclones are one of the most destructive natural hazards and much of the damage and casualties they cause are flood-related. Accurate characterization and prediction of total water levels during extreme storms is necessary to minimize coastal impacts. While meteotsunamis are known to influence water levels and to produce severe consequences, they have been disregarded during...
Authors
Maitane Olabarrieta, Luming Shi, David Nolan, John C. Warner
By
Woods Hole Coastal and Marine Science Center

Erosion and recovery: Sound-side inundation of Cape Lookout National Seashore during Hurricane Dorian Erosion and recovery: Sound-side inundation of Cape Lookout National Seashore during Hurricane Dorian

Hurricane Dorian tracked immediately offshore of Cape Lookout National Seashore (which includes the barrier islands of North and South Core Banks) and Ocracoke Island after devastating the Bahamas in early September, 2019. Dorian briefly made landfall at Cape Hatteras as a Category 1 hurricane on September 6 before moving northeast over the Atlantic Ocean. Winds on the Outer Banks...
Authors
Christopher R. Sherwood
By
Woods Hole Coastal and Marine Science Center

A geospatially resolved wetland vulnerability index: Synthesis of physical drivers A geospatially resolved wetland vulnerability index: Synthesis of physical drivers

Assessing wetland vulnerability to chronic and episodic physical drivers is fundamental for establishing restoration priorities. We synthesized multiple data sets from E.B Forsythe National Wildlife Refuge, New Jersey, to establish a wetland vulnerability metric that integrates a range of physical processes, regulatory information and physical/biophysical features. The geospatial data...
Authors
Zafer Defne, Alfredo Aretxabaleta, Neil K. Ganju, Tarandeep S. Kalra, Daniel K. Jones, Kathryn Smith
By
Woods Hole Coastal and Marine Science Center

Are elevation and open-water conversion of salt marshes connected? Are elevation and open-water conversion of salt marshes connected?

Salt marsh assessments focus on vertical metrics such as accretion or lateral metrics such as open-water conversion, without exploration of how the dimensions are related. We exploited a novel geospatial dataset to explore how elevation is related to the unvegetated-vegetated marsh ratio (UVVR), a lateral metric, across individual marsh “units” within four estuarine-marsh systems. We...
Authors
Neil K. Ganju, Zafer Defne, Sergio Fagherazzi
By
Woods Hole Coastal and Marine Science Center

Tidal wetland gross primary production across the continental United States, 2000–2019 Tidal wetland gross primary production across the continental United States, 2000–2019

We mapped tidal wetland gross primary production (GPP) with unprecedented detail for multiple wetland types across the continental United States (CONUS) at 16‐day intervals for the years 2000–2019. To accomplish this task, we developed the spatially explicit Blue Carbon (BC) model, which combined tidal wetland cover and field‐based eddy covariance tower data into a single Bayesian...
Authors
R.A. Feagin, I. Forbrich, T. P. Huff, J.G. Barr, J. Ruiz-Plancarte, J.D. Fuentes, R.G. Najjar, R. Vargas, A. Vazquez Lule, L. Windham-Myers, Kevin D. Kroeger, E. J. Ward, G. W. Moore, M. Leclerc, K. W. Krauss, C.L. Stagg, M. Alber, S. H. Knox, K. V. R. Schafer, T.S. Bianchi, J. A. Hutchings, H. Nahrawi, A. Noormets, B. Mitra, A. Jaimes, A.L. Hinson, Brian A. Bergamaschi, J.S. King, G. Miao
By
Ecosystems Mission Area, Water Resources Mission Area, Ecosystems Land Change Science Program, California Water Science Center, Wetland and Aquatic Research Center , Woods Hole Coastal and Marine Science Center
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