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Originally Posted by kutulu
We cannot predict the weather precisely, but we absolutely can predict that climate. If you live in Arizona, it's going to be hot 8 months of the year. The winter will be cool and you'll have a monsoon somwhere between June and August.
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Those are just generalizations though, they aren't predictions. They're also based off of past knowledge of the climate of Arizona. It was hot for 8 months of the year last year, and the year before, and the year before that, etcetera. If it rained last Thursday and the Thursday before that, I couldn't logically say that it will rain this Thursday. While it's not exactly a solid example, it does show that the past does not dictate the future.
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Originally Posted by kutulu
We have sampled ice cores and determined historic CO2 levels we can line them up with known sea levels at those times...
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How can we accurately know sea levels from thousands of years ago? It seems to me that there are too many variables to trust even recorded sea levels from hundreds of years ago. The landscape has changed, measuring methods have since become more precise and record keeping has become more strict.
I'm not trying to be argumentative, but this is the exact reason I don't understand how we can understand something as complex as climate. Aren't there too many variables to take into consideration?
-Tamerlain