Multicorer deployment in November 2010, near the Macondo wellhead, also on RV Atlantis.

Saving the World with Magic Bacteria

The natural microbial community in the water column and on the sea floor of the northern Gulf of Mexico (GOM) surprised the watching world in the aftermath of the Deepwater Horizon Oil Spill (DHOS) by quickly working to help mitigate the effects of the oil.

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Figure 1. In this 3-D representation of the chemical analysis of COREXIT 9500, each peak represents one or more chemical structure. The line across the bottom shows retention time, the left axis intensity, and the diagonal axis molecular weight (labeled m/z). The large peak at ~15 minutes is DOSS, or dioctyl sodium sulfosuccinate, the active ingredient in most dispersants.

Deconstructing Dispersants

In the aftermath of the Deepwater Horizon oil spill (DHOS), the National Commission on the BP Deepwater Horizon Oil Spill and Offshore Drilling estimates that responders sprayed over 1.8 million gallons of the dispersant Corexit 9500 into the northern Gulf of Mexico (GOM).

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5 Million Data Points and Counting

As the Globalstar transmission shut down approaches, ending the GPS data collection phase of CARTHE’s Grand Lagrangian Deployment (GLAD), the team is still collecting data from the largest upper-ocean dispersion experiment of its kind.

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