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Study Improves Drifter-Based Estimates of Near-Surface Ocean Currents

July 10, 2019

July 10, 2019 Using 40 years of observations from the NOAA’s Global Drifter Program Array, the authors depict the annual mean speed of ocean currents at 15 meters depth. The vectors highlight the general direction of the large-scale circulation. Image provided by Lucas Laurindo, University of Miami Rosenstiel School of Marine and Atmospheric Science. Scientists […]

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Grad Student Grossi Uses Artificial Intelligence to Map Ocean Flows

June 11, 2019

June 11, 2019 Our knowledge about ocean transport comes primarily from ocean circulation models that use field observations and theoretical motion equations to simulate ocean dynamics. Ocean models can depict large-scale circulation features accurately, but resolutions high enough to capture all scales of motion entail significant computational time and cost and are challenging or even […]

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Study Compares 2D and 3D Model Simulations of Oil Plume Behavior

June 4, 2019

June 4, 2019 Scientists assessed an economical 2D model simulation of deep-ocean oil plume dynamics against 3D model results using conditions similar to Deepwater Horizon to better understand point-source buoyant convection, which affects the oil’s spreading rate and environmental impact. The 2D model worked best for thermal plumes without bubbles. Although the 2D model successfully […]

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The perplexing physics of oil dispersants

May 28, 2019

PNAS: News Feature: May 28, 2019 Massive amounts of oil, gas, and dispersant streamed into the Gulf of Mexico during the Deepwater Horizon disaster. Understanding the chemistry and physics of this mix as it churned through the salt water turns out to be an exceedingly complex problem with plenty of unknowns. On April 30, 2010, […]

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