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Loop Current Is Now Drawing The BP Oil Disaster To Florida Keys

By Brad Johnson on May 18, 2010 at 9:50 am

"Loop Current Is Now Drawing The BP Oil Disaster To Florida Keys"

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Even as some government and BP officials downplay the extent of the growing oil disaster in the Gulf of Mexico, a terrible threshold has been crossed: the slick has been captured by the Loop Current, which draws water from the Gulf through the Florida Keys and into the Gulf Stream along the Atlantic coast. SkyTruth president John Amos, one of the first independent experts to warn the official estimates of the leak were radically too small, calls Monday’s satellite imagery “disturbing“:

Today’s MODIS / Terra satellite image is the most cloud-free we’ve seen in many days, and what it reveals is disturbing: part of the still-massive Gulf oil slick has apparently been entrained in the strong Loop Current, and is rapidly being transported to the southeast toward Florida. The total area covered by slick and sheen, at 10,170 square miles (26,341 km2), is nearly double what it appeared to be on the May 14 radar satellite image, and is bigger than the state of Maryland.

See the satellite image overlaid with a model of the Loop Current in the Gulf of Mexico:


Oil Slick Loop Current Overlay
Composite image of MODIS satellite image and National Weather Service HYCOM ocean current model. Constructed by Brad Johnson, ThinkProgress.

The current travels at about four miles per hour, and is acting in concert with faster winds at the surface to draw oil toward the Cuban and Florida coasts. Eric Hoffmayer, a marine scientist with the University of Southern Mississippi Center for Fisheries Research and Development, told the ThinkProgress Wonk Room two weeks ago of the frightening consequences of the slick getting caught in the Loop Current:

If it gets entrained into the Loop [Current], it’s up into the Atlantic. And who knows where it’s going to go from there. As it moves around Florida, the next or another critical area would be the Florida Keys and the coral reefs we have down there. I don’t even want to think about that area being covered in oil. Once it works its way up the East Coast and potentially crossing the Atlantic, it could be far-reaching.

keysThe oil pollution “could endanger Florida’s shoreline mangroves, seagrass beds and the third-longest barrier reef in the world, the 221-mile-long Florida Keys National Marine Sanctuary.” Additionally, “pollutants can smother and kill corals — living creatures that excrete a hard exterior skeleton — or can hinder their ability to reproduce and grow. That, in turn, could harm thousands of species of exotic and colorful fish and other marine life that live in and around reefs.” Already, tar balls are washing up on Key West’s beaches.

Over 625,000 gallons of toxic dispersants have been sprayed on the oil slick, including 45,000 gallons of dispersants injected directly at the wellhead — creating an invisible toxic cloud of unknown size a mile below the sea surface.

Cross-posted on the Wonk Room.

Update

The tar balls were subsequently found to be unrelated to the Gulf oil spill.

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