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Deepwater Horizon Oil Spill and Restoration (DWH)

NOAA Institutional Repository

The NOAA Deepwater Horizon (DWH) Program is a NOAA-wide effort focused on restoring injuries to natural resources and services from the 2010 Deepwater Horizon oil spill in the Gulf of America (formerly Gulf of Mexico). As the lead science agency for coastal oil spills, NOAA was on the scene from the earliest moment of the DWH oil spill crisis. In the six years following, NOAA assessed the damages, quantified the injury, and determined the types and cost of restoration needed. This work resulted in the 2016 Deepwater Horizon Programmatic Damage Assessment and Restoration Plan and Programmatic Environmental Impact Statement (PDARP), which detailed the natural resource injuries from the oil spill and selected a comprehensive, integrated ecosystem approach to best restore those resources at an ecosystem level. In addition to serving as a member of the Deepwater Horizon Natural Resource Damage Assessment (NRDA) Trustee Council implementing restoration work guided by the PDARP, NOAA also supports the Department of Commerce’s role as a member of the Gulf Coast Ecosystem Restoration Council, which manages the DWH restoration efforts conducted under the RESTORE Act. To support the extensive restoration efforts, NOAA has been working alongside our state, federal, academic, non-profit partners, and the public to implement the best approaches to restoring the Gulf of America resources and habitats. NOAA is particularly focused on identifying and conducting work to advance science needs to either fill data gaps needed to better target restoration or to advance our ability to monitor and evaluate restoration outcomes for NOAA trust resources, including assessing deep benthic and mesophotic communities on the seafloor and monitoring the effects of restoration activities on injured marine mammals, sea turtles, and Gulf fish and invertebrate species and their coastal and marine habitats.

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Showing 1 - 20 of 304 results
  • Ecophysiology of two mesophotic octocorals intended for restoration Effects of light and temperature
    Ecophysiology of two mesophotic octocorals intended for restoration: Effects of light and temperature
    Lange, Kassidy ;
    Aquilina‐Beck, Allisan
    2025 | Limnology and Oceanography (2025) | pdf
    Light and temperature are driving forces that shape the evolution and physiology of mesophotic organisms. On the Mississippi‐Alabama continental shelf, octocorals dominate the mesophotic seascape and provide habitat for many fish and invertebrate species. Gaps in knowledge regarding the fundamental physiological responses of these species to light ...
  • Deepwater Exploration Workshop overview of NOAAs Gulf of Mexico Explorations 20012009 Office of Ocean Exploration and Research July 23 2010 Silver Spring MD
    Deepwater Exploration Workshop overview of NOAA's Gulf of Mexico Explorations 2001-2009, Office of Ocean Exploration and Research, July 23, 2010, Silver Spring, MD
    United States, National Oceanic and Atmospheric Administration,  ...
    2010
    "Around 10:00 pm CDT on April 20, 2010, a gas explosion occurred on the mobile offshore drilling unit Deepwater Horizon about 40 miles southeast of the Louisiana coast. The explosion killed 11 workers, injured 17 others, ignited an intense fire that burned until the Deepwater Horizon sunk 36 hours later, and resulted in a massive release of crude o ...
  • Pelagic seabird density and vulnerability in the Gulf of Mexico to oiling from the Deepwater HorizonMC252 spill
    Pelagic seabird density and vulnerability in the Gulf of Mexico to oiling from the Deepwater Horizon/MC-252 spill
    Haney, J. C. ;
    Hemming, J. M.
    2019 | Environ Monit Assess. 2020 Mar 17;191(Suppl 4):818.
    Using ship-based surveys, the Natural Resource Damage Assessment (NRDA) Trustees assessed the external oiling of offshore and pelagic marine birds inhabiting the northern Gulf of Mexico (Gulf) in the year following the Deepwater Horizon oil spill (DWH spill). Study objectives were to (1) collect data on pelagic seabirds that were visibly oiled, (2) ...
  • BP Deepwater Horizon oil budget what happened to the oil
    BP Deepwater Horizon oil budget what happened to the oil
    Lubchenco, Jane ;
    McNutt, Marcia Kemper, 1952-
    2010
    No Description
  • Vegetation and Habitat Classification of Created and Natural Brackish Marshes via Unoccupied Aerial Systems UAS A Case Study of the Lake Hermitage Marsh Creation Project
    Vegetation and Habitat Classification of Created and Natural Brackish Marshes via Unoccupied Aerial Systems (UAS): A Case Study of the Lake Hermitage Marsh Creation Project
    Chapman, Seth T. ;
    LeBlanc, Coy
    2025 | Estuaries and Coasts 48, 82 (2025) | PDF
    Much of Louisiana’s coastal wetlands have been lost over the last century, leading to federal and state agencies allocating billions of dollars towards coastal restoration, flood protection, and marsh creation projects. Traditional post-construction monitoring of marshes involves in situ vegetation sampling and aerial imagery from fixed-wing occupi ...
    Supporting Files
  • Characterizing a Sea Turtle Developmental Habitat Using Landsat Observations of SurfacePelagic Drift Communities in the Eastern Gulf of Mexico
    Characterizing a Sea Turtle Developmental Habitat Using Landsat Observations of Surface-Pelagic Drift Communities in the Eastern Gulf of Mexico
    Hardy, Robert F. ;
    Hu, Chuanmin
    2018 | IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 11(10), 3646-3659.
    Compared with our understanding of most aspects of sea turtle biology, knowledge of the surface-pelagic juvenile life stages remains limited. Young North Atlantic cheloniids (hard-shelled sea turtles) are closely associated with surface-pelagic drift communities (SPDCs), which are dominated by macroalgae of the genus Sargassum. We quantified SPDCs ...
  • Quantifying overlap between the Deepwater Horizon oil spill and predicted bluefin tuna spawning habitat in the Gulf of Mexico
    Quantifying overlap between the Deepwater Horizon oil spill and predicted bluefin tuna spawning habitat in the Gulf of Mexico
    Hazen, Elliott L. ;
    Carlisle, Aaron B.
    2016 | Scientific Reports 6 (33824)
    Atlantic bluefin tuna (Thunnus thynnus) are distributed throughout the North Atlantic and are both economically valuable and heavily exploited. The fishery is currently managed as two spawning populations, with the GOM population being severely depleted for over 20 years. In April-August of 2010, the Deepwater Horizon oil spill released approximate ...
    Supporting Files
  • Offshore Spreading of Mississippi Waters Pathways and Vertical Structure Under Eddy Influence
    Offshore Spreading of Mississippi Waters: Pathways and Vertical Structure Under Eddy Influence
    Androulidakis, Yannis ;
    Kourafalou, Vassiliki
    2019 | Journal of Geophysical Research: Oceans, 124(8), 5952-5978.
    Abstract The three-dimensional structure of the offshore export of Mississippi River (MR) waters is documented for the first time with in situ data. Numerical simulations and satellite data in the Gulf of Mexico (GoM) are also employed to study two pathways that were detected in summer of 2015, along the eastern and western sides of the Loop Curren ...
    Supporting Files
  • Air chemistry in the Gulf of Mexico oil spill area NOAA WP3D Airborne Chemical Laboratory flights of 8 and 10 June 2010
    Air chemistry in the Gulf of Mexico oil spill area, NOAA WP-3D Airborne Chemical Laboratory flights of 8 and 10 June 2010
    Ravishankara, A. R. (Akkiheb Ramaiah), 1949- ;
    Goldman, Jana
    2010
    "As a part of a multi-agency response to the Deepwater Horizon (DWH) spill, NOAA conducted two aircraft flights to characterize the resulting air pollution in the Gulf of Mexico. During May, one of NOAA WP-3D aircraft, equipped with an extensive suite of in-situ chemical sensors (Appendix 1), was deployed in California as part of a long-planned, la ...
  • Cruise Report MDBC Expedition NOAA Ship Pisces June 12July 30 2023
    Cruise Report: MDBC Expedition NOAA Ship Pisces, June 12–July 30, 2023
    Harter, Stacey ;
    David, Andy
    2025 | DWH MDBC cruise report ; 2025-01 | pdf
    Between 12 June–30 July, 2023, three expedition legs were completed on the NOAA ship Pisces (PC-23-02). Operations consisted of remotely operated vehicle (ROV) dives, multibeam surveys, autonomous underwater vehicle (AUV) dives, and conductivity, temperature, and depth (CTD) probe operations at known impacted and reference mesophotic sites (depths ...
  • Cruise Report MDBC Expedition RV Oracle March 1115 2024
    Cruise Report: MDBC Expedition R/V Oracle, March 11–15, 2024
    Bollinger, Michael, A. ;
    Ebert, Erik, F.
    2025 | DWH MDBC cruise report ; 2025-02 | pdf
    The Mesophotic and Deep Benthic Communities (MDBC) Mapping, Ground-Truthing, and Predictive Habitat Modeling (MGM) project team led an operation to conduct a sea trial and short survey mission to evaluate the performance of the Voyis Recon LS laser and imaging sensor module (Voyis Imaging, Inc. [Voyis]) in a Remus 600 autonomous underwater vehicle ...
  • Transcriptome profiling of blood from common bottlenose dolphins Tursiops truncatus in the northern Gulf of Mexico to enhance health assessment capabilities
    Transcriptome profiling of blood from common bottlenose dolphins (Tursiops truncatus) in the northern Gulf of Mexico to enhance health assessment capabilities
    Morey, Jeanine S. ;
    Balmer, Brian C.
    2022 | PLOS ONE, 17(8), e0272345 | PDF
    Following the 2010Deepwater Horizondisaster and subsequent unusual mortality event, adverse health impacts have been reported in bottlenose dolphins in Barataria Bay, LA including impaired stress response and reproductive, pulmonary, cardiac, and immune function. These conditions were primarily diagnosed through hands-on veterinary examinations and ...
    Supporting Files
  • Ecosystem services are lost when facilitation between two ecosystem engineers is compromised by oil
    Ecosystem services are lost when facilitation between two ecosystem engineers is compromised by oil
    Powers, SP ;
    Rouhani, S
    2017 | Marine Ecology Progress Series, 576, 189-202
    Nearshore marine ecosystems are among the most productive areas in the world. Unfortunately, these areas also receive pollutants released into oceanic and riverine waters. Six years following the Deepwater Horizon oil spill, the largest in US history, the complexity of ecological injuries in this system is just now being elucidated. Here, we descri ...
  • Summary of Findings and Research Recommendations from the Gulf of Mexico Research Initiative
    Summary of Findings and Research Recommendations from the Gulf of Mexico Research Initiative
    Wilson, Charles ;
    Feldman, Michael
    2021 | Oceanography, 34(1), 228-239
    Following the Deepwater Horizon explosion and oil spill in 2010, the Gulf of Mexico Research Initiative (GoMRI) was established to improve society’s ability to understand, respond to, and mitigate the impacts of petroleum pollution and related stressors of the marine and coastal ecosystems. This article provides a high-level overview of the major o ...
  • LongTerm Immunological Alterations In Bottlenose Dolphin A Decade After The Deepwater Horizon Oil Spill In The Northern Gulf Of Mexico Potential For Multigenerational Effects
    Long-Term Immunological Alterations In Bottlenose Dolphin A Decade After The Deepwater Horizon Oil Spill In The Northern Gulf Of Mexico: Potential For Multigenerational Effects
    De Guise, Sylvain ;
    Levin, Milton
    2021 | Environ Toxicol Chem, 40: 1308-1321
    Health assessments were conducted on bottlenose dolphins in Barataria Bay, Louisiana, USA, during 2011 to 2018, to assess potential health effects following the Deepwater Horizon oil spill, compared to the unoiled Sarasota Bay, Florida, USA, reference dolphin population. We previously reported significant increases in T-lymphocyte proliferation, as ...
  • Assigning stranded bottlenose dolphins to source stocks using stable isotope ratios following the Deepwater Horizon oil spill
    Assigning stranded bottlenose dolphins to source stocks using stable isotope ratios following the Deepwater Horizon oil spill
    Hohn, AA ;
    Thomas, L
    2017 | Endangered Species Research, 33, 235-252.
    The potential for stranded dolphins to serve as a tool for monitoring free-ranging populations would be enhanced if their stocks of origin were known. We used stable isotopes of carbon, nitrogen, and sulfur from skin to assign stranded bottlenose dolphins Tursiops truncatus to different habitats, as a proxy for stocks (demographically independent p ...
  • Measures and models of visual acuity in epipelagic and mesopelagic teleosts and elasmobranchs
    Measures and models of visual acuity in epipelagic and mesopelagic teleosts and elasmobranchs
    Caves, Eleanor M. ;
    Sutton, Tracey T.
    2023 | Journal of Comparative Physiology A, 209(5), 807-826 | PDF
    Eyes in low-light environments typically must balance sensitivity and spatial resolution. Vertebrate eyes with large "pixels" (e.g., retinal ganglion cells with inputs from many photoreceptors) will be sensitive but provide coarse vision. Small pixels can render finer detail, but each pixel will gather less light, and thus have poor signal relative ...
  • Did the Deepwater Horizon oil spill affect growth of Red Snapper in the Gulf of Mexico
    Did the Deepwater Horizon oil spill affect growth of Red Snapper in the Gulf of Mexico?
    Herdter, Elizabeth S. ;
    Chambers, Don P.
    2017 | Fisheries Research, 191, 60-68 | PDF
    The explosion of the Deepwater Horizon (DWH) oil platform in 2010 released more than 200 million gallons of crude oil into the northern Gulf of Mexico (GoM). Elevated levels of carcinogenic polycyclic aromatic hydrocarbons (PAHs) were abundant in the upper water column throughout the event. Previous research suggests that PAHs may have negatively a ...
  • Deepwater Horizon Oil characteristics and concerns
    Deepwater Horizon Oil characteristics and concerns
    United States, National Ocean Service., Emergency Response Division,
    2010
    No Description
  • Corresponding morphological and molecular indicators of crude oil toxicity to the developing hearts of mahi mahi
    Corresponding morphological and molecular indicators of crude oil toxicity to the developing hearts of mahi mahi
    Edmunds, Richard C. ;
    Gill, J. A.
    2015 | Scientific Reports 9 (17326)
    Crude oils from distinct geological sources worldwide are toxic to developing fish hearts. When oil spills occur in fish spawning habitats, natural resource injury assessments often rely on conventional morphometric analyses of heart form and function. The extent to which visible indicators correspond to molecular markers for cardiovascular stress ...
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