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NCEAS researchers offer new ecological model for deep-water oil spills
Date:4/20/2012

(Santa Barbara, Calif.) On the second anniversary of the Deepwater Horizon oil platform blowout, a national panel of researchers is providing new insight into what happened in the disaster, as well as a guide for how to deal with such events in the future, and why existing tools were inadequate to predict what lay before them.

The study, produced by the Gulf Oil Spill Ecotox Working Group at UC Santa Barbara's National Center for Ecological Analysis and Synthesis (NCEAS), is published in the May issue of the journal Bioscience. It is titled, "A Tale of Two Spills: Novel Science and Policy Implications of an Emerging New Oil Spill Model."

"The old model assumed that oil would simply float up to the surface and accumulate there and along the coastline," said co-author Sean Anderson, an associate professor at California State University Channel Islands. "That model works well for pipeline breaks and tanker ruptures, but it is inadequate for this novel type of deep blowout."

The 2010 Deepwater Horizon oil spill in the Gulf of Mexico was unlike any oil spill science and society had encountered. The blowout occurred at unprecedented depths and released enormous quantities of oil (an estimated 4.9 billion barrels, or 206 million gallons). Marine and wildlife habitats suffered major damage, and, according to authors, the damage continues to happen today, out of sight. Local and regional economies and livelihoods suffered as well.

According to the researchers a renowned group of ecotoxicologists, oceanographers, and ecologists who convened under the auspices of NCEAS while the spill was still active the response to clean up and contain the oil followed a framework that assumed the oil's behavior would mimic the more familiar shallow-water and surface spills, despite the fact that the dynamics, fate, and effect of deep-water oil on ecosystems are not understood.

"As the Deepwater Horizon spill
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Contact: Sonia Fernandez
sonia.fernandez@ia.ucsb.edu
805-893-4765
University of California - Santa Barbara
Source:Eurekalert  

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