The climate never changed during the 4.5 billion years prior to 1988, when CO2 hit 350 ppm.
Disrupting the Borg is expensive and time consuming!
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Has anyone considered that satellites are responsible for cliamte change. I mean all scientists agree: correlation equals causation. Just sayin’.
ok, I look at that and clearly see where plants evolved….then again where grasses evolved
Can someone explain that supposed 800 year lag from when temps changed…and the lag of CO2 changing
Better chart here:
http://www.globalwarmingskeptics.info/forums/thread-188-post-4680.html#pid4680
Dinosaurs HAD to evolve so big, otherwise those giant storms of the Mesozoic would have blown them away…
I don’t see how an 800 year lag is possible…..
When you change the temperature of a liquid, it’s ability to absorb or desord a gas, happens right then, not over 800 years……
If it takes 800 years for a liquid to de-gas, it would take 800 years for that same liquid to take up that gas….
1. The temperature of the water doesn’t change instantaneously. It takes hundreds of years for normal processes (I’m counting hyperactive vulcanism and major meteor strikes as abnormal in this case, since they’re rare events) to do so.
2. The paleo-climate record isn’t actually as good as they think, since they lose an unknown, though large, amount of entrapped (& entrained) CO2, CH4, etc when they core-sample ice. Also, when it comes to CO2 penetration of ice on very long time-scales we don’t actually have a good idea of what happens.
Stark, that’s where I lose it….
Oceans dictate the temperature….they have to change in order for the land temps to change…..
When you change the temp of the ocean, it’s ability to take up or hold on to CO2 changes instantly, and CO2 can’t just off gas from the surface. Other than stratification, CO2 seeks equilibrium in a liquid. So as more off gasses at the surface, it’s constantly replaced by CO2 from deeper. That happens fast, not over 800 years.
I can think of no reason why CO2 would follow temps by 800 years.
The first thing that happens is everything, plants, algae, diatoms, bacteria, etc all have an immediate response by growing faster and taking it all up. They will continue to grow faster until something else becomes limiting……or they reduce CO2 levels until it’s limiting again. Greenhouse, plankton cultures, bacteria cultures, etc
No pot head waits 800 years for their pot plants to grow faster…………………
I’ve a real problem with the validity of ice cores. Well, several problems…. time and place of when the H2O froze and trapped air is indeterminable. And the time when the H2O froze isn’t related to the age of the trapped air. It all seems rather silly to me to infer all of that information from a few isolated ice cores.
I hate to disagree with you, but this isn’t true. Buy a bottle of seltzer, chill it to ~40°F, pour it into a glass: (it will lose a good bit of CO2 when you open the container, & when you pour the stuff, & over the next hour or two it will slowly off-gas) if you allow it to reach room temperature, you can still extract CO2 by jostling it.
Further, as the solid form of water changes state to liquid it modifies the ability to hold or take-up CO2.
Also, I don’t know how fast dissolved CO2 propagates in a system, but it is a finite speed.
& overall temperatures can help to push the movement of CO2 in or out of other systems (trees, sea-shells, algae, diatoms etc) which happen gradually.
but Stark, that’s Henry’s law
and it doesn’t take 800 years
There’s just no way there is a 800 year lag from the time temperatures change, until CO2 levels change
I’ll have to plead ignorance, as I’m not aware of any evidence beyond the paleoclimate record (which I’m not convinced is quite as robust as they say). The more I look at it, the less I’m sure what the actual mechanism is assumed to be.
Stark, it’s temperature dependent…..
A 800 year lag would mean temperatures went up and continued to go up for 800 years….
….before CO2 got the memo
The amount of CO2 in water is consistent with the amount in air….
…that would only work if for some reason it started out with way too little CO2 in the water
Man, they must have had some serious carbon taxation 500 million years ago; the CO2 dropped like a rock. Oh wait.. it was way, way above 350ppm.. it should have been completely irreversible!
I’m not sure that my state climatologist agrees as his comments on July temps in Illinois as they relate to climate change, don’t seem o indicate that he is on board with all other climate scientists. Like Steve he points to previous warming in the 1920s and 1930s that was far worse than today.
http://climateillinois.wordpress.com/2011/08/03/sixth-warmest-july-on-record-for-illinois/
“All Scientists Agree : Climate Change Is Caused By Man”
Not this scientist – I have some small respect for this big ball of nuclear fire in the sky. CO2 has a few bendy twisty
movesmodes but canna beat the CNO cycle for impact.Come to think, the post is wrongly titled…should have been “All Female Scientists Agree : Climate Change Is Caused By Man“…
Maybe climate change is caused by Scientist consensus. As soon as everyone climbed onboard the “New Ice Age” bus, it started to warm up. Now that everyone is on the “Runaway Global Warming” craze, it cools down. Just tryin to think out of the box 😉