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Investigating the effect of oil spills on the environment and public health
Gulf of Mexico Research Initiative
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An image of a benthic foraminifera (CIbicidoides pachyderma). Photo credit Lauren Reilly

Study Finds Benthic Foraminifera Recorded Deepwater Horizon Marine Oil Snow Event

November 6, 2018

Researchers examined the isotopic composition of single-celled organisms (foraminifera) in seafloor sediment for evidence of the documented marine oil snow event that followed Deepwater Horizon.

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Rare catches during the OneGulf expeditions included a fifty-pound Yellowedge Grouper, a Cuban Chimaera caught at 1,300 feet deep, and an Arrowhead Dogfish (only three prior documented sightings in the Gulf of Mexico). Provided by Steve Murawski.

Study Gives First Comprehensive Gulf-Wide Fish Surveys in US, Mexican, and Cuban Waters

November 1, 2018

An international science team studying oil spill effects on marine ecosystems completed 12 research expeditions over seven years and produced the first fisheries-independent, multinational Gulf-wide fish survey.

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Michel Boufadel and Feng Gao with a scaled reproduction of an underwater plume. (Provided by Michel Boufadel)

Study Is First to Examine How Oil and Gas Tumbling Inside Pipe Affects Released Oil Estimations

October 17, 2018

Scientists analyzed visual observations and computer simulations of the Deepwater Horizon oil flow to better understand the characteristics of an uncontrolled pipeline flow and how they affect the amount of oil discharge and droplet size distribution, which are critical for effective response decisions.

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Education and outreach include a wide variety of activities. Students (left photo) proudly display the ROV that they built at the University of Georgia’s Ocean Discovery Camp 2018 (photo provided by ECOGIG). Members of a local Boy’s and Girl’s Club (top right photo) test ROVs that they built before they toured the R/V Endeavor as part of Worlds Ocean Day 2015 (photo provided by ECOGIG). Graduate student Alice Kleinhiuzen (bottom right photo) shows a marsh core to a public audience during a Boardwalk Talk series (photo provided by ACER).

Study Offers Recommendations for Developing Successful Scientific Outreach Programs

October 9, 2018

Outreach specialists working with science consortia, funded by the Gulf of Mexico Research Initiative (GoMRI), reflected on their collective multi-year efforts for insights gained and lessons learned. These reflections resulted in recommendations for creating, managing, and implementing scientific outreach plans.

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Atlantic croaker (Micropogonias undulatus) Gulf of Mexico. Credit: SEFSC Pascagoula Laboratory; Collection of Brandi Noble, NOAA/NMFS/SEFSC

Study Shows Oil Exposure Not Likely to Reduce Fish’s Ability to Compensate for Hypoxia

September 18, 2018

Researchers conducted experiments on Atlantic Croaker to determine if oil-induced respiratory impairment affects the fish’s tolerance to hypoxia. There were no observed effects from the combined stressors (oil exposure and hypoxia) on fish’s average critical oxygen threshold levels or its capacity to withstand hypoxia.

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(Inset) Some of the study authors onboard a vessel used during their April 2017 field work (L-R Matthieu Le Hénaff, Oscar Garcia-Pineda, and Yannis Androulidakis). The larger picture shows oil moving in a current influenced by the Mississippi River plume. Photo by Oscar Garcia-Pineda.

Study Documents How Riverine Fronts Influence Oil Transport Pathways

September 11, 2018

Scientists used drifters, drones, satellite imagery, and air/water measurements to investigate how local and regional ocean processes in the Gulf of Mexico influence where surface oil from the leaking Taylor Energy Site travels.

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The study authors provided an image depicting scenarios of using dispersants on a cloudy day (the oil disperses into the water column) and on a sunny day (the oil stays mainly on the sea surface).

Study Finds Sunlight Reduced Dispersant’s Effectiveness During Deepwater Horizon

September 4, 2018

Scientists conducted light-exposure experiments using Macondo oil and Corexit dispersant and ran model simulations to investigate how photo-chemical weathering (oxidation) affects dispersant effectiveness in oil spill response.

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Study author Wokil Bam collects arthropod samples in Louisiana coastal marshes. Provided by Wokil Bam.

Study Finds Hurricane Isaac Prolonged Oil Spill Impacts on Some Marsh Insects and Spiders

August 30, 2018

Researchers collected and analyzed terrestrial arthropods from Louisiana marshes to determine the combined effects from Deepwater Horizon and Hurricane Isaac on saltmarsh ecosystems. The initial oiling from the spill (2010) followed by the oil’s redistribution during Hurricane Isaac (2012) negatively affected some arthropod groups three-four years after the spill.

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Tulane graduate students Marzhana Omarova (seated) and Igor Mkam Tsengam (standing) along with Dr. Jibao He (seated far left, Tulane’s director of electron microcopy) use the Transmission Electron Microscope in their research about dispersant gels. Photo provided by Vijay John.

Study Assesses a New Class of Safer, More Effective Dispersants

August 21, 2018

Researchers analyzed an enhanced formulation of a gel-like surfactant encased in a compact buoyant pod for oil spill remediation.

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Study author Azmy Ackleh works with a modified population matrix model to see how an environmental disturbance can affect large marine mammal recovery. Provided by Azmy Ackleh.

Study Analyzes How Environmental Disturbances Affect Whale Recovery

August 14, 2018

Researchers modified a matrix population model to include the impact of a disturbance and study the recovery process for large marine mammal populations. They applied the model to identify key components in the recovery process for Gulf of Mexico sperm whales following a disturbance such as the Deepwater Horizon oil spill.

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