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Hydrocarbon-degrading microbes living in ocean environments consumed and metabolized oil droplets following Deepwater Horizon, which significantly influenced the oil’s fate in the Gulf of Mexico.
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Oil spilled in the ocean can sink to the seafloor due to its high density or by attaching to floating particulate matter, as happened during the Marine Oil Snow Sedimentation and Flocculent Accumulation (MOSSFA) event following Deepwater Horizon.
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Technical advances in genomics since Deepwater Horizon have revealed the natural capacity of microbes to catalyze bioremediation of petroleum hydrocarbons.
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Posted on May 16, 2019
There are currently over 30 active deep-sea drilling platforms and more than 600 areas where oil naturally seeps from the Gulf of Mexico seafloor.
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Posted on May 17, 2018
Researchers conducted exposure experiments with mahi-mahi embryos using oil, ultraviolet (UV) radiation, and temperature to determine how multiple stressors affect their survival. Compared to controls, exposed embryos floating near the ocean’s surface started to sink sooner and at faster rates, which intensified at higher temperatures.
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Posted on May 25, 2017
The Deepwater Horizon event highlighted the need for more economical and ecofriendly methods to accurately track and study ocean currents. Scientists with the Consortium for Advanced Research on Transport of Hydrocarbon in the Environment II (CARTHE II) spent two years testing different structures and materials to develop a practical, cost-efficient, and biodegradable drifter design.
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Study Explains Anisotropy and Inhomogeneity in Submesoscale Dispersion
Anisotropy and inhomogeneity in drifter dispersion. Huntley, H.S.; Lipphardt Jr., B.L.; Kirwan Jr., A.D. Journal of Geophysical Research: Oceans, 124, 8667– 8682
Study Shows Nano-Plastics May Prompt TEP from Phytoplankton Similar to Marine Oil Snow Process
Nano-plastics induce aquatic particulate organic matter (microgels) formation. Shiu, R.-F.; Vazquez, C.I.; Tsai, Y.-Y.; Torres, G.V.; Chen, C.-S.; Santschi, P.H.; Quigg, A.; Chin, W.-C. Science of The Total Environment Volume 706, 1 March 2020, 135681
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Analytical measurements: Time series of nutrients in MICROX, a mesocosm to quantify microbial oxidation and degradation of oil -- data link
Microaggregate Microbial Community Structure, Mesocosm Experiment, LTMOSE, a Long Term Marine Oil Snow Mesocosm Experiment, SSU rRNA sequences -- data link
Common bottlenose dolphin (Tursiops truncatus) data to evaluate reproductive health among wild dolphins in Barataria Bay, Louisiana from 2017-09-18 to 2017-09-21 -- data link
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Call for Papers: Predicting Hydrocarbon Fate in the Ocean
Editors invite papers that explore the fate of hydrocarbons in the ocean using multi-component numerical models, especially studies that explore the relationship between two or more processes, including microbial ecology, sediment transport, oil/gas plumes, and physical mixing and transport processes. They also welcome papers on related experimental aspects of these topics, i.e. that can contribute to modeling parameterization, calibration, and verification. Read more here.
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