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The Coastal and Marine Hazards and Resources Program publications are listed here. Search by topics and by year.

Filter Total Items: 1922

Evaluating oil and gas industry two-dimensional multichannel seismic data for use in near-surface assessment of geologic framework and potential marine minerals resources

Marine seismic reflection data acquired across the Gulf of Mexico during oil and gas exploration are available to the public through an online database archive. The data are archived as two-dimensional multichannel seismic data in two digital formats. The formats include image files in portable document format (PDF), and binary files in industry standard Society for Exploration Geophysicists revis

Authors
James G. Flocks, Arnell S. Forde, Stephen T. Bosse
By
Coastal and Marine Hazards and Resources Program, St. Petersburg Coastal and Marine Science Center

Modeling the effects of interior headland restoration on estuarine sediment transport processes in a marine-dominant estuary

The effects of interior headland restoration on estuarine sediment transport processes were assessed through process-based numerical modeling. Three proposed interior headland restoration scenarios in the Grand Bay estuary (Mississippi/Alabama) were modeled using Delft3D to understand impacts on suspended sediment concentrations, bed level morphology, and sediment fluxes under present-day conditio
Authors
Robert L. Jenkins, Davina Passeri, Christopher G. Smith, David M. Thompson, Kathryn Smith
By
Coastal and Marine Hazards and Resources Program, St. Petersburg Coastal and Marine Science Center

Analysis of high-resolution single channel seismic data for use in sediment resource evaluation, eastern Texas and western Louisiana Continental Shelf, Gulf of Mexico

Shallow subsurface geologic data recorded as high-resolution seismic profiles are used to interpret the geology of coastal and marine systems. These data were originally recorded on paper rolls that are stored in geophysical archives. Data collection has since converted to entirely digital formats, yet the analog data are still useful for geologic interpretation. This report describes the process
Authors
James G. Flocks, Arnell S. Forde, Stephen T. Bosse
By
Coastal and Marine Hazards and Resources Program, Oklahoma-Texas Water Science Center, St. Petersburg Coastal and Marine Science Center, Gulf of Mexico

Heterotrophy, microbiome, and location effects on restoration efficacy of the threatened coral Acropora palmata

The iconic and threatened Caribbean coral, Acropora palmata, is an essential reef-ecosystem engineer. Understanding the processes underpinning this coral’s survival and growth is essential to restoring this foundational species. Here, we compared replicate A. palmata colonies transplanted along 350 km of Florida’s offshore coral reef to determine holobiont and/or environmental variables that predi
Authors
Leila Chapron, Ilsa B. Kuffner, Dustin W. Kemp, Ann M. Hulver, Elise Keister, Anastasios Stathakopoulos, Lucy Bartlett, Erin O. Lyons, Andrea G. Grottoli
By
Coastal and Marine Hazards and Resources Program, St. Petersburg Coastal and Marine Science Center

Evaluation of nearshore bathymetric inversion algorithms using camera observations and synthetic numerical input of surface waves during storms

Nearshore bathymetry is difficult to measure using survey methods when wave heights approach the breaking limit. Remote sensing using digital cameras offers a way to observe the surf zone and calculate water depths based on phase speed but comes with its challenges of potentially noisy data that can introduce error into estimates of frequency and wavenumber used in phase speed calculation. This st

Authors
Elora Oades, Ryan Mulligan, Margaret Louise Palmsten
By
Coastal and Marine Hazards and Resources Program, St. Petersburg Coastal and Marine Science Center

Modeling the effects of large-scale interior headland restoration on tidal hydrodynamics and salinity transport in an open coast, marine-dominant estuary

The effects of large-scale interior headland restoration on tidal hydrodynamics and salinity transport in an open coast, marine dominant estuary (Grand Bay, Alabama, U.S.A) are investigated using a two-dimensional model, the Discontinuous-Galerkin Shallow Water Equations Model (DG-SWEM). Three restoration alternatives are simulated for present-day conditions, as well as under 0.5 m of sea level ri

Authors
Davina Passeri, Robert L. Jenkins, Autumn C. Poisson, Matthew V. Bilskie, Peter Bacopoulos
By
Coastal and Marine Hazards and Resources Program, St. Petersburg Coastal and Marine Science Center

Wave runup and inundation dynamics on a perched beach

Sandy beaches perched over rocky shore platforms are common globally, yet their mixed sand and rocky morphology present challenges for quantifying and predicting wave runup and inundation. For typical linear beach profiles, simple relationships can be made between vertical runup and horizontal inundation based on beach slope. However, as topographic irregularities increase, substantial deviations
Authors
Carly Portch, Michael Cuttler, Mark L. Buckley, Jeff Hansen, Ryan Lowe
By
Coastal and Marine Hazards and Resources Program, St. Petersburg Coastal and Marine Science Center

Coastal acidification trends and controls in a subtropical estuary, Tampa Bay, Florida USA

Many coastal estuaries have experienced declines in pH over the past few decades due to coastal acidification. However, mean monthly water column pH values (collected during daylight hours) have increased in Tampa Bay, Florida over recent decades concurrent with seagrass recovery. We measured changes in carbonate system and water quality variables in Tampa Bay and the near-coastal Gulf of Mexico e

Authors
Kimberly K. Yates, Christopher Moore, Mitchell K Lemon, Ryan P. Moyer, David A. Tomasko, R. Masserini, Edward T. Sherwood
By
Coastal and Marine Hazards and Resources Program, St. Petersburg Coastal and Marine Science Center

Operational forecasts of wave-driven water levels and coastal hazards for US Gulf and Atlantic coasts

Predictions of total water levels, the elevation of combined tides, surge, and wave runup at the shoreline, are necessary to provide guidance on potential coastal erosion and flooding. Despite the importance of early warning systems for these hazards, existing real-time meteorological and oceanographic forecast systems at regional and national scales, until now, have lacked estimates of runup nece
Authors
Hilary F Stockdon, Joseph W. Long, Margaret Louise Palmsten, Andre Van der Westhuysen, Kara S. Doran, Richard J. Snell
By
Coastal and Marine Hazards and Resources Program, St. Petersburg Coastal and Marine Science Center, Gulf of Mexico

Remotely sensed short-crested breaking waves in a laboratory directional wave basin

Short-crested breaking waves that result from directionally spread wave conditions dissipate energy and generate turbulence within the surf zone, altering sediment transport processes, wave runup, and forces on structures. Additionally, vertical vorticity generated near crest ends during breaking, which depends on the gradient in wave height along a crest, may enhance nearshore dispersion of pollu
Authors
Christine Baker, Melissa Moulton, Margaret Louise Palmsten, Katherine Brodie, Emma Nuss, C. Christopher Chickadel
By
Coastal and Marine Hazards and Resources Program, St. Petersburg Coastal and Marine Science Center

Shoreface sediment availability offshore of a rapidly migrating, mixed-energy barrier island

Less is known about sediment exchanges between shorefaces and mixed-energy barrier islands (MEBI) than between shorefaces and wave-dominated barrier islands. We used seismic stratigraphy from Cedar Island, Virginia, USA to understand the interplay between shoreface deposits and MEBI morphodynamics. Interpretations reveal that the shelf and shoreface are extensively dissected by breach and inlet ch
Authors
Emily A. Wei, Jennifer L. Miselis
By
Coastal and Marine Hazards and Resources Program, St. Petersburg Coastal and Marine Science Center

Incorporating wave climate complexity into modeling lower shoreface morphology and transport

The lower shoreface, a transitional subaqueous region extending from the seaward limit of the surf zone to beyond the closure depth, serves as a sediment reservoir and pathway in sandy beach environments over annual to millennial time scales. Despite the important role this region plays in shoreline dynamics, the morphodynamics of the lower shoreface remain poorly quantified and understood. To bet

Authors
Megan Gillen, Andrew D. Ashton, Jennifer L. Miselis, Daniel J. Ciarletta, Emily A. Wei, Christopher R. Sherwood
By
Coastal and Marine Hazards and Resources Program, St. Petersburg Coastal and Marine Science Center, Woods Hole Coastal and Marine Science Center