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The Arctic has become warmer by 5 degrees. Australia has snowed.
The Arctic has become warmer by 5 degrees. Australia has snowed.
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Old Yesterday, 11:26 PM   #241
Cal Weldon is offline Cal Weldon  Canada
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The Arctic has become warmer by 5 degrees. Australia has snowed.
Quote:
Originally Posted by chrisb View Post
Got any recent photos of Bingo?
Always.
Sorry for the OT guys. When someone asks, I like to deliver.

1. He was bad so I put him in jail
2. Sleepy under my desk
3. Ready for our visit to the hospital (aka Bingo in a bag)
4. Strutting his stuff at the beach (he's a log hog)
5. Scratches from mommy
6. Brush time with mommy (enough wool for a pair of mittens)
7. Not quite understanding a snowman. This was a lot funnier than a picture can tell
8. Shopping with M&D

Enuff 4 now. Back to our regularly scheduled program.
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Last edited by Cal Weldon; Yesterday at 11:44 PM. Reason: added
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Old Today, 01:42 AM   #242
Evenharmonics is offline Evenharmonics  United States
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Quote:
Originally Posted by Bonsai View Post
Lead or trails makes no difference. There is no trail of any significance in the current climate perturbation. It therefore makes a mockery of attempts to fob off it off as something that is not man-made.
About 800 years of trail is a significant difference in human scale. Earth warms up by solar activity / Milankovitch cycles, oceans warm up, then CO2 that was once dissolved in colder water gets released in the atmosphere, thus the level of CO2 increases. When the solar activity / Milankovitch cycles changes back and the earth cools, the oceans cool as well, then CO2 that was once in the atmosphere gets dissolved (ask chemists if you don't believe me) in colder water in contact. Besides, there are photosynthesis action by plants but it's not as significant as oceans. This trailing of CO2 by 800 +- years is in the Vostok ice core data chart.

Quote:
Originally Posted by Bonsai View Post
PDO is not associated with global temperature shifts and there is no connection with raised CO2 levels. Please see here

Pacific decadal oscillation - Wikipedia
Please tell me which 2 of the 3 charts below have resemblance to each other.
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Old Today, 08:34 AM   #243
Bonsai is offline Bonsai  Europe
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What about CO2 lag time? | Climate Change Connection

The time difference is 800 years (nothing in geological perspective). However this time around there is virtually no difference.

PDO does nor correlate with a 40 % increase in CO2 or the fastest change in temperature for 10 k years. It’s a short term effect riding on the back of a much larger shift in temperature and CO2 emissions

Current CO2 levels are the highest they have been for 650 k years
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Old Today, 10:18 AM   #244
jan.didden is online now jan.didden  Europe
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Quote:
Originally Posted by Bonsai View Post
Take a look here - this is a very well known infogrsphic that puts this whole thing into perspective.

This Stunning Graphic Shows Earth's Temperature Over 22,000 Years
Andrew, that is a very expressive graph, but I have a comment: during that long ago past, there may have been short-term large deviations that are not visible as they have been averaged out.
There is still a chance (although I do not believe it) that our experienced rise may be averaged out and no longer be visible over a period of say 500 years.
It's an uncertainty.

Jan
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Old Today, 11:26 AM   #245
Bonsai is offline Bonsai  Europe
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That’s true Jan, you could well be right.

But, we do know from the ice core records, tree ring data etc that CO2 levels are the highest they have been for 650 k years and the rate of temperature change (last 50 years) is unprecedented over the last 20k years. WRT the Milankovitch cycles, these are well documented and well understood and we are not due for another ice age for 20k plus years, although current climate change effects may well change that dramatically.

For another view on this thing, see Ewing Donn Hypothesis.

If we strip out the man-made CO2 from the atmosphere in the data, we can find no other direct source for the recent dramatic temperature rises.

Last edited by Bonsai; Today at 11:45 AM.
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Old Today, 01:03 PM   #246
Bonsai is offline Bonsai  Europe
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On a totally separate note, if any of you are interested in physics and astrophysics, I can highly recommend Ethan Siegel’s superb blog here

Starts With A Bang! – Medium
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Old Today, 02:20 PM   #247
scott wurcer is offline scott wurcer  United States
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Quote:
Originally Posted by Cal Weldon View Post
Always.
Sorry for the OT guys. When someone asks, I like to deliver.

2. Sleepy under my desk
When my Otis (RIP) was not getting enough attention he would go under my desk and pull on all the cords until stuff started to fall on the floor.
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