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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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Professor Clint Dawson and researcher Casey Dietrich discuss ways to improve the modeling of surface oil transport into the beaches of Mississippi and Louisiana. Dawson and Dietrich are members of the CARTHE. (Photo provided by Cas

Study Evaluates Accuracy of 2010 Model Predictions for Oil Spill Movement

July 10, 2013

Scientists conducted a post-spill analysis of computational model projections that outlined the trajectory path of Deepwater Horizon oil.

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This image depicts the structure of a β –cyclodextrin host-guest complexation. The Plane View shows the seven glucose units in a B-cyclodextrin surrounding a guest PAH molecule. The 3-D view shows the non-polar interior and the circular polar exteriors. (Image provided by Heng Gao)

Study Shows Sugar Molecules Can Remove Crude Oil from Sand

June 20, 2013

Researchers found that bounded ring-shaped sugar molecules (cyclodextrin) are effective at extracting crude oil from sand.

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Mississippi State Chemical Laboratory residue manager and paper co-author Christina Childers analyzes data from seafood samples for PAH contamination using the Agilent 7000B Triple Quadrupole GC/MS/MS system. (Photo courtesy of Mississippi State University)

Study Finds PAHs in Mississippi Seafood below Levels of Concern

June 7, 2013

Scientists studying oil impacts on fish, shrimp, crab, and oysters from coastal Mississippi waters one year post-spill found PAH levels were below Levels of Concern (LOC)

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Gulf killifish usually hatch within 10-14 days in the lab; however, embryos exposed to sediments from heavily oiled sites showed delayed hatching or failed to hatch within 21 days. This representative image of an un-hatched Gulf killifish embryo at 21 days post-fertilization appears underdeveloped, having characteristic features of PAH exposure such as cardiac edema. (Image provided by Benjamin Dubansky

Study Links Negative Biological Impacts to Oil-Exposed Killifish

June 4, 2013

Scientists from Louisiana State University, University of California-Davis, and Clemson University, studying Deepwater Horizon impacts on killifish from oiled Louisiana estuaries…

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Oil slick, photo provided by John Kessler.

Study Shows Bacteria Contributed to Consumption of 200,000 tons of Oil and Gas

May 17, 2013

Scientists who tracked deep underwater oil and gas plumes after the Deepwater Horizon incident concluded that the respiration of dissolved and trapped hydrocarbons resulted in reduced dissolved oxygen concentrations from a bloom of hydrocarbon-eating bacteria.

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Markus Huettel holds a sediment core sample from Pensacola Beach, Florida. Researchers used sands from this area for their study.

Study: Dispersants Can Move Hydrocarbons Faster and Deeper into Gulf Sand

May 10, 2013

Scientists studying the fate of oil from the Deepwater Horizon incident published their findings in the November 2012 edition of Public Library of Science (PLoS ONE): Dispersants as used in response to the MC252-spill lead to higher mobility of polycyclic aromatic hydrocarbons in oil-contaminated Gulf of Mexico sand.

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One- to 2-inch long mucus aggregate formed experimentally to mimic conditions that led to the formation of similar large oily flocks after the spill. Such aggregates are very efficient in transporting material, including oil, down to the seafloor. Researchers are conducting studies to better understand when and how they form. (Photo credit: Julia Sweet, University of California Santa Barbara)

Study Shows Oil Promoted Formation of a Different Kind of Marine Snow

April 24, 2013

Scientists studying oil-contaminated surface waters near the well-head site immediately after the Deepwater Horizon incident published their findings in the July 2012 edition of Environmental Research Letters

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Marine technicians Jennifer Hemphill, Matthew Metcalf and Sara Kerner set fyke nets (traps used to collect marsh-associated finfish and shellfish) near Point-aux-Pins, AL. (Photo credit: Ryan M. Moody)

Study Finds Coastal Alabama Marine Life Returns to Pre-Spill Numbers

April 22, 2013

Biologists studying the impacts of oil on marine species living in coastal Alabama salt marshes published their results in the March 2013 edition of the Public Library of Science (PLoS ONE)

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Snapshot of a molecular dynamics simulation of methane hydrate formation showing water cages consisting of twelve pentagonal faces (green), twelve pentagonal and two hexagonal faces (pink) and twelve pentagonal and three hexagonal faces (orange). Methane molecules are shown in orange spheres. Water molecules that do not form a cage are not shown. The temperature and pressure are 240K and 200 bar, respectively. (Picture courtesy of Dr. Sapna Sarupria)

Study uses High-Speed Simulations to Understand “Chemical Herding” of Molecules

April 2, 2013

Scientists studying dispersants and related chemical compounds recently published their findings.

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Maria Josefina Olascoaga at the University of Miami Rosenstiel School of Marine and Atmospheric Science uses results from LCS core analysis to show the movement of oil following the Deepwater Horizon oil spill. (Photo by Barbra Gonzalez)

Study Presents Effective Method for High-Precision Flow Forecasts in the Gulf

March 27, 2013

Scientists used a mathematical approach to uncover path-defining “structures” beneath Gulf waters that governed the movement of oil following the Deepwater Horizon oil spill.

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