This morning I checked into Skytruth.org to learn the extent of the oil plumes. A blog contributor took me to the Gulf Oil Blog of the U.S. Marine Sciences. There you can find results of sampling in suspected deepwater plumes of oil. The measure is called a CDOM (colored dissolved organic matter). Scientists measured above and below the plume then sampled from the middle of the plume. Above and below they found no organic matter but within the plume they got a strong reading and could see an oily residue left over on the filters. Skytruth is tracking the movement of oil plumes from the Maconda well and it appears to be moving in the loop current and toward the Florida straits.

Skytruth cautions that there are natural processes that can also create oil sheen on the surface. But when you go to the U.S. Marine Sciences site you learn to “trust your senses”. This spill, if as White House energy and environment adviser Carol Browner warned, goes on through August when relief wells will be in place to receive the oil, we could see lasting and extensive impact on marine ecosystems along the whole of the Gulf, Florida and perhaps even the Atlantic shorelines where the loop current turns north and runs up the eastern coast.

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