Study Finds New “Ocean” Link Between Florida and Cuba

A new oceanographic study underscores the deep connection that exists between Florida and Cuba. Researchers at the University of Miami (UM) Rosenstiel School of Marine and Atmospheric Science have uncovered specific types of previously unknown clockwise recirculating ocean features (called anticyclonic eddies or anticyclones), which they named Cuban Anticyclones, or CubANs since they form and travel eastward along the Cuban coast.

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Sea Grant Releases Bulletin on Corals and Oil Spills

The Gulf of Mexico Research Initiative (GoMRI) is pleased to announce a new Sea Grant publication that explains which corals were affected by the Deepwater Horizon incident and how scientists are monitoring those corals. The bulletin also describes the important roles that corals play in maintaining a healthy ocean and how corals worldwide struggle in the face of constant, multiple threats.

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Illustration of the interaction of oil droplets and gas bubbles on the formation of oil and gas during the Deepwater Horizon incident. The presence of gas in the discharged plume reduced oil droplet size. Image provided by Michel Boufadel.

Modeling Study Characterizes Droplet and Bubble Formation in Subsea Oil Spills

Researchers developed a new formulation to simulate gas-oil interactions within a developing underwater oil plume and applied the technique to the Deepwater Horizon incident. The simulations showed that in the absence of dispersant, gas bubbles reduced the median oil droplet and bubble sizes by up to 20%, with 30 – 50% reduction observed in intermediate gas fractions.

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Temporary ‘bathtub drains’ in the ocean concentrate flotsam

An experiment featuring the largest flotilla of sensors ever deployed in a single area provides new insights into how marine debris, or flotsam, moves on the surface of the ocean. The experiment conducted in the Gulf of Mexico near the site of the Deepwater Horizon oil spill placed hundreds of drifting sensors to observe how material moves on the ocean’s surface.

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Typical visual appearance of an oil slick on seawater: oil layer thickness varies across the slick area, as indicated by different colors (photograph provided by ITOPF). The graph insert shows an example dispersion simulation result of slick lengthwise mass(/thickness) distribution and wind-induced displacement over time. (Provided by Marieke Zeinstra-Helfrich)

Modeling Study Develops Approach to Compare Oil Slick Dispersion Scenarios

Researchers developed an algorithm that accounts for different wind speeds, oil types, natural dispersion processes (breaking waves), and chemical dispersant application to analyze oil slick evolution scenarios. The model results indicate how the oil slick will become thinner and dissipate over time as a result of dispersion.

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GoMRI Mourns the Passing of Dr. John Reynolds

It is with deep sadness that we share the news that Dr. John Elliot Reynolds passed away on Saturday, December 23, 2017. One of Reynolds many roles was co-Principal Investigator with the Center for the Integrated Modeling and Analysis of Gulf Ecosystems (C-IMAGE) funded by the Gulf of Mexico Research Initiative (GoMRI) conducting marine life impact studies after the Deepwater Horizon incident.

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