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RIROCKHOUND · 07-09-2005, 12:01 PM

The conveyor belt theory (the gulf stream thing) happening any time soon is probably BS; you need a dramatic (HUGE) input of freshwater to even impact the gulf stream. There have been events in the past (geologic time, since the last ice age) where this has happened; the most well know was the Younger Dryas, about 11,000 yrs BP, (catastrophic draining of a glacial lake). recent arguments by well known scientists (Richard Alley at Penn State) are that slow steady increases/changes (like global warming) may have similar effects around 8.2ka.... that means that MAYBE you can cause enough slow change to get the same result as a sudden impact, in that case it would all be about reaching some 'critical threshold' of climate change.....

As far as running out of oil; they said we had 30yrs left 20-30yrs ago; with technology changing we are getting oil from places we didnt think possible; costs will go up, but I think some things in the forseeable future will still require oil. I'm not an Oil geologist by any stretch. While eventually we will run out of it, I think that the 2019 date is assuming constant technology. remember that probably the most invested research is on oil location, extraction and refining.

That being said, we NEED alternative fuel cars, hydrogen etc...
Hell, a few decards ago, some people thought we'd be driving cars with small nuclear reactors that never need fuel... imagine that....

Bryan
"Ranting, Rambling and Raving Geologist"

07-09-2005, 12:01 PM	#23
RIROCKHOUND Also known as OAK iTrader: (0) Join Date: Apr 2003 Location: Westlery, RI Posts: 10,408	The conveyor belt theory (the gulf stream thing) happening any time soon is probably BS; you need a dramatic (HUGE) input of freshwater to even impact the gulf stream. There have been events in the past (geologic time, since the last ice age) where this has happened; the most well know was the Younger Dryas, about 11,000 yrs BP, (catastrophic draining of a glacial lake). recent arguments by well known scientists (Richard Alley at Penn State) are that slow steady increases/changes (like global warming) may have similar effects around 8.2ka.... that means that MAYBE you can cause enough slow change to get the same result as a sudden impact, in that case it would all be about reaching some 'critical threshold' of climate change..... As far as running out of oil; they said we had 30yrs left 20-30yrs ago; with technology changing we are getting oil from places we didnt think possible; costs will go up, but I think some things in the forseeable future will still require oil. I'm not an Oil geologist by any stretch. While eventually we will run out of it, I think that the 2019 date is assuming constant technology. remember that probably the most invested research is on oil location, extraction and refining. That being said, we NEED alternative fuel cars, hydrogen etc... Hell, a few decards ago, some people thought we'd be driving cars with small nuclear reactors that never need fuel... imagine that.... Bryan "Ranting, Rambling and Raving Geologist"
	Bryan Originally Posted by #^&#^&#^&#^&#^&#^&#^&#^&#^&#^&#^& "For once I agree with Spence. UGH. I just hope I don't get the urge to go start buying armani suits to wear in my shop"