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Title: Major Study Proves Oil Plume That's Not Going Away
Source: ASSOCIATED PRESS
URL Source: http://hosted.ap.org/dynamic/storie ... AULT&CTIME=2010-08-19-14-49-06
Published: Aug 19, 2010
Author: By SETH BORENSTEIN
Post Date: 2010-08-19 15:09:45 by Brian S
Keywords: None
Views: 7716
Comments: 43

WASHINGTON (AP) -- A 22-mile-long invisible mist of oil is meandering far below the surface of the Gulf of Mexico, where it will probably loiter for months or more, scientists reported Thursday in the first conclusive evidence of an underwater plume from the BP spill.

The most worrisome part is the slow pace at which the oil is breaking down in the cold, 40-degree water, making it a long-lasting but unseen threat to vulnerable marine life, experts said.

Earlier this month, top federal officials declared the oil in the spill was mostly "gone," and it is gone in the sense you can't see it. But the chemical ingredients of the oil persist more than a half-mile beneath the surface, researchers found.

And the oil is degrading at one-tenth the pace at which it breaks down at the surface. That means "the plumes could stick around for quite a while," said study co-author Ben Van Mooy of the Woods Hole Oceanographic Institution in Massachusetts, which led the research published online in the journal Science.

Monty Graham, a scientist at the Dauphin Island Sea Lab in Alabama who was not involved in the study, said: "We absolutely should be concerned that this material is drifting around for who knows how long. They say months in the (research) paper, but more likely we'll be able to track this stuff for years."

Florida State University scientist Ian MacDonald, in testimony before Congress on Thursday, said the gas and oil "imprint of the BP discharge will be detectable in the marine environment for the rest of my life."

The underwater oil was measured close to BP's blown-out well, which is about 40 miles off the Louisiana coast. The plume started three miles from the well and extended more than 20 miles to the southwest. The oil droplets are odorless and too small to be seen by the human eye. If you swam through the plume, you wouldn't notice it.

"There's no visible evidence of oil in the samples; they look like clear water," study chief author Richard Camilli said.

The scientists used complex instruments - including a special underwater mass spectrometer - to detect the chemical signature of the oil that spewed from the BP well after it ruptured April 20. The equipment was carried into the deep by submersible devices.

With more than 57,000 of these measurements, the scientists mapped a huge plume in late June. The components of oil were detected in a flow that measured more than a mile wide and more than 650 feet from top to bottom.

Federal officials said there are signs that the plume has started to break into smaller ones since the Woods Hole research cruise ended. But scientists said that wouldn't lessen the overall harm from the oil.

The oil is at depths of 3,000 to 4,000 feet, far below the environment of the most popular Gulf fish like red snapper, tuna and mackerel. But it is not harmless. These depths are where small fish and crustaceans live. And one of the biggest migrations on Earth involves small fish that go from deep water to more shallow areas, taking nutrients from the ocean depths up to the large fish and mammals.

Those smaller creatures could be harmed by going through the oil, said Larry McKinney, director of Texas A&M University's Gulf of Mexico research center in Corpus Christi.

Some aspects of that region are so little known that "we might lose species that we don't know now exist," said Graham of the Dauphin Island lab.

"This is a highly sensitive ecosystem," agreed Steve Murawski, chief fisheries scientist for the National Oceanic and Atmospheric Administration. "The animals down at 3,300 to 3,400 feet grow slowly." The oil not only has toxic components but could cause genetic problems even at low concentrations, he said.

For much of the summer, the mere existence of underwater plumes of oil was the subject of a debate that at times pitted outside scientists against federal officials who downplayed the idea of plumes of trapped oil. Now federal officials say as much as 42 million gallons of oil may be lurking below the surface in amounts that are much smaller than the width of a human hair.

While federal officials prefer to describe the lurking oil as "an ephemeral cloud," the Woods Hole scientists use the word "plume" repeatedly.

The study conclusively shows that a plume exists, that it came from the BP well and that it probably never got close to the surface of the Gulf of Mexico, Camilli said. It is probably even larger than 22 miles long, but scientists had to stop measuring because of Hurricane Alex.

Earlier this week a University of South Florida team reported oil in amounts that were toxic to critical plant plankton deep underwater, but the crude was not necessarily in plumes. Those findings have not been reviewed by other scientists or published.

The plume is probably still around, but moving west-southwest of the BP well site at about 4 miles a day, Camilli said.

While praising the study that ended on June 28, Murawski said more recent observations show that the cloud of oil has "broken apart into a bunch of very small features, some them much farther away." Texas A&M's McKinney said marine life can suffer harm whether it is several smaller plumes or one giant one.

NOAA redirected much of its sampling for underwater oil after consulting with Woods Hole researchers. The federal agency is now using the techniques that the team pioneered with a robotic sub and an underwater mass spectrometer, Murawski said.

Previous attempts to define the plume were "like watching the Super Bowl on a 12-inch black-and-white TV and we try to bring to the table a 36-inch HD TV," said Woods Hole scientist Chris Reddy. The paper, fast-tracked for the world of peer-reviewed science, was written on a boat while still in the Gulf, he said.

Reddy said he could not yet explain why the underwater plume formed at that depth. But other experts point to three factors: cold water, the way the oil spewed from the broken well, and the use of massive amounts of dispersants to break up the oil before it gets to the surface.

The decision to use 1.8 million gallons of dispersants amounted to an environmental trade-off - it meant less oil tainting the surface, where there is noticeable and productive life, but the risk of longer-term problems down below.

At a federal science conference, officials looked at the relative risks and decided "it was worth the effort" to use dispersants, Murawski said.

About 7 percent of the oil from the leaked well went into this particular plume, said Samantha Joye of the University of Georgia. Given the slow rate at which the oil is degrading in the cold water, she and others said it is too early to even think about closing the books on the spill: "The full environmental impacts of the spill will thus not be felt for some time."

---

Online:

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Begin Trace Mode for Comment # 32.

#1. To: Brian S (#0)

I'm so confused. Obama and his coast guard told us everything was fixed and fine.

Nebuchadnezzar  posted on  2010-08-19   15:22:37 ET  Reply   Untrace   Trace   Private Reply  


#3. To: Nebuchadnezzar (#1)

I'm so confused. Obama and his coast guard told us everything was fixed and fine.

Then start listening to me and the other Dirty Fucking Hippies.

Cause we've been right from Day 1.

"Ephemeral Cloud"? Like a Blessing handed down by Zeus, eh? LMFAO

Evac Now.

mcgowanjm  posted on  2010-08-20   8:50:05 ET  Reply   Untrace   Trace   Private Reply  


#13. To: mcgowanjm (#3)

Then start listening to me and the other Dirty Fucking Hippies.

Cause we've been right from Day 1.

"Ephemeral Cloud"? Like a Blessing handed down by Zeus, eh? LMFAO

Evac Now.

We're along ways away from what you said is happening. FUEL AIR EXPLOSIVE.

Nebuchadnezzar  posted on  2010-08-20   9:18:50 ET  Reply   Untrace   Trace   Private Reply  


#15. To: Nebuchadnezzar (#13)

We're along ways away from what you said is happening. FUEL AIR EXPLOSIVE.

WTF.

I just posted what I said was happening as relayed by Dr Robert Bea.

You can now show me where I have ever said FUEL AIR EXPLOSIVE.

mcgowanjm  posted on  2010-08-20   9:28:20 ET  Reply   Untrace   Trace   Private Reply  


#16. To: All (#15)

Which is why I can't type in First Grade McBriefings, btw.

As some here would like. When I keep it 'brief', people want/ need sources/explanations.

mcgowanjm  posted on  2010-08-20   9:31:06 ET  Reply   Untrace   Trace   Private Reply  


#17. To: A K A Stone, All (#16)

On 2010-08-20 09:17:57, A K A Stone wrote:

To: mcgowanjm

he primary consequences of our fossil-fuel addiction

Oil doesn't come from fossils. If it does tell me how it got to the bottom of the ocean under all that rock.

Secondly Peak oil is a myth.

And THIS is one of those answers in the Back of the Book that I've been talking about. Once you understand that the Discovery/Production of Hydrocarbons has been the source of the US Empire and Everything else for the Past 120 years (see Hitler Drives to Maikop, then OVerestimates and rushes to his Stalingrad for details;}

And that the burning of over 1/2 of the World's Hydrocarbons has caused the now unavoidable Climate Weirding(Little Rock 100 degrees record again this week end) Civilization is now running into

then the Actions of the Top 50 000 make All the sense in the world.

mcgowanjm  posted on  2010-08-20   9:38:16 ET  Reply   Untrace   Trace   Private Reply  


#18. To: All (#17)

Crude oil is the master material on which all other depend.

Without abundant supplies of inexpensive crude oil, we cannot produce uranium

(which peaked in 1980), coal (which peaks within a decade or so[sooner]), solar

panels, wind turbines, wave power, ethanol, biodiesel, or hydroelectric power.

Without abundant supplies of inexpensive crude oil, we cannot maintain the

electric grid. Without abundant supplies of inexpensive crude oil, we cannot

maintain the industrial economy for an extended period of time. Simply put,

abundance supplies of inexpensive crude oil is fundamental to growth of the

industrial economy and therefore to western civilization. Civilizations grow or

die. Western civilization is done growing.

And THAT's why british petroleum and the MMS/US have broken EVERY law/Eliminated Every Liability to get oil out of a 5 000 ft deepsea/18 000 ft sub surface well.

mcgowanjm  posted on  2010-08-20   9:59:38 ET  Reply   Untrace   Trace   Private Reply  


#19. To: mcgowanjm (#18)

Another WTF? See link for pictures.

Specifically, the test is expected to tell scientists and engineers whether it is safe to remove the blowout preventer and capping stack without compromising the cement plug in the well and risking the reintroduction of oil into the well and the sea.

The 48-hour test began at about 6:30 Thursday morning and is expected to conclude Saturday morning.

It will be followed by an attempt to retrieve a 3,500-foot piece of drill pipe from the well. Officials have never been able to pin down where the mystery pipe came from. It was first discovered in June when riser pipe was cut away from the well, revealing two drill pipes instead of one. But the pipe was gone when technicians went to put a sealing cap on the well in July. Allen said Thursday that the pipe may be suspended from the blowout preventer.

www.nola.com/news/gulf-oi...eventer_from_damaged.html

Fred Mertz  posted on  2010-08-20   10:09:08 ET  Reply   Untrace   Trace   Private Reply  


#25. To: Fred Mertz (#19)

www.nola.com/news/gulf-oi...eventer_from_damaged.html

It was first discovered in June when riser pipe was cut away from the well, revealing two drill pipes instead of one. But the pipe was gone when technicians went to put a sealing cap on the well in July.

And this article is Crazyland. Riser just got up and went. Like every other part of this Epic Fail.

Coincidence is the word we often use when we want to hide the truth.

mcgowanjm  posted on  2010-08-20   10:58:31 ET  Reply   Untrace   Trace   Private Reply  


#26. To: mcgowanjm (#25)

I'm off to lunch...it's Fish Friday...uh-oh...what to eat, what to eat...

Fred Mertz  posted on  2010-08-20   11:00:43 ET  Reply   Untrace   Trace   Private Reply  


#32. To: Fred Mertz (#26)

I'm off to lunch...it's Fish Friday...uh-oh...what to eat, what to eat... q

Ceviche

go65  posted on  2010-08-20   12:29:43 ET  Reply   Untrace   Trace   Private Reply  


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End Trace Mode for Comment # 32.

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