A 30,000-year Record Of Sea Surface Temperatures Off South Australia

Science Daily ^ | 8-3-2007 | American Geophysical Union

[fanfan]

Bump!

[SunkenCiv]

Well, you know how much in favor leftists are of redistribution.

Explains such international success stories as Zimbabwe, Cuba, the USSR...

[ASA Vet]

Artickle?
Okay you proved your bare minimum English point.

[Squantos]

Agree........I’d like to see a copy of that record.....:o)

[Robert A Cook PE]

Flip that: This is most likely the the top of the “hottest” part of the temperature plateau BEFORE the global temperatures begin very suddenly sliding back into the NEXT Ice Age.

Today’s peaks is actually a little longer, a little flatter, and a little LOWER (by 2 degrees) than the past four temperature peaks: each of which was rapidly followed by a 8-10 degree DECLINE over about a one-thousand year slump.

[MHGinTN]

I love the way you put that, the ‘Profit’ Al Gore! Bwahahahaha, he sure is into carbon credits don’tchaknow.

[P-40]

I love the way you put that, the ‘Profit’ Al Gore!

Thanks :)

I hope it is not blasphemous to say Profit instead of Prophet...but I think God will understand. :)

[Gene Eric]

>> The new core data also reveal a progressive drop in sea surface temperatures over the last 6,500 years, an observation not seen before for the Australian region.

Does that mean the surface is cooler due to melting ice forms or it’s cooler for other reasons?

[blam]

"Flip that: This is most likely the the top of the “hottest” part of the temperature plateau BEFORE the global temperatures begin very suddenly sliding back into the NEXT Ice Age."

That's more along my line of thinking.

[djf]

I wuz beeing foceeshus.

[MHGinTN]

As a non-experet, I’m of the opinion that massive solar flares heat up the Northern and Southern cold zones to start massive weather cycle changes (heating the Poles starts the slide/plunge into an ice age by cycling too cold air streams southward to change the precipitation cycles).

[gleeaikin]

Interesting article. Saw a recent Catastrophe post about a possible major meteor strike in Canada causing the Younger Dryas. It is possible this would not affect the Southern Hemisphere to a significant degree.

Who was doing the measuring 30,000 years ago. Nobody. These clever scientists have discovered that little plankton organisms, particularly foraminifera, take up different Oxygen isotopes at different temperatures. By measuring the ratio of these oxygen isotopes in the core samples, they can determine the sea surface temperature at the time the little critters died and sank to the bottom.

[djf]

The O16-O18 ratio.

This was also critical in mapping the climate around the time of the Toba explosion 75,000 years ago.

Average temperatures worldwide dropped something like 10 degrees Celsius for over 1,000 years.

Toba is one of Blams favorites...

;-)

[blam]

Late Pleostocene Human Population Bottlenecks. . . (Toba)

[blam]

Ice Age Ends Smashingly: Did A Comet Blow Up Over Eastern Canada? (More) (Carolina Bays)

[djf]

For a time I shared a few emails with a scientist at Udub. My basic question was “what happened 11,500 years ago?”

He said pretty much the same thing, some kind of cometary event. Whatever it was, it wasn’t just a nice slow warming that ended the ice age. It was a fantastic catastrophe, that left scores of large mammals extinct.

[gleeaikin]

I just reread the link you provided on Toba. I noted the comments about possible elephant trunks on mesoamerican structures. My recollection is that mammoths may have still been around in north america 10,000 ya. Actually a few may have survived even longer. I visited a small museum, I think it was for the Battle of the Cowpens, 1781. There were a lot of Indian artifacts with dates attached. If I remember correctly, there was an abrupt shift from large spears and other stone weapons about 7 or 8 thousand years ago, to much smaller weapon heads. This may have represented the disappearance of most large game animals.

As I am writing this it suddenly occurs to me that the eruption of Mt. Mazama (Crater Lake), between 7 and 8 Kya might have been the final blow for large creatures like mammoths. It is reported that the Indians of the northwest had legends and stories that indicated a long term memory of the Mazama event. Since some of the “elephant” elements on mesoamerican buildings are 1 to 2 thousand years earlier than the recollected stories of the northwest Indians, perhaps these reflect long ago legends and memories of the mammoths further north.

The Aztecs conquered by Cortez had only been at Mexico City a few hundred years. Their Uto-Aztecan language originated much further north. It is not unreasonable to think that the ancestors of the mesoamericans might have migrated south due to the climate changes caused by Mt. Mazama, bringing their elephant legends and lore with them.

[blam]

"As I am writing this it suddenly occurs to me that the eruption of Mt. Mazama (Crater Lake), between 7 and 8 Kya might have been the final blow for large creatures like mammoths. It is reported that the Indians of the northwest had legends and stories that indicated a long term memory of the Mazama event. Since some of the “elephant” elements on mesoamerican buildings are 1 to 2 thousand years earlier than the recollected stories of the northwest Indians, perhaps these reflect long ago legends and memories of the mammoths further north."

Thanks, I was not familiar with Mount Mazama.

"Mazama is most famous for a catastrophic volcanic eruption that occurred around 5,677 (± 150) BC[1]. The eruption, estimated to have been 42 times more powerful than Mount St. Helens' 1980 blast

[CodeMasterPhilzar]

So “Global Warming” started 20,000 years ago.

Yeah, but it is still Bush's fault! ;-/