Sentences with phrase «feedbacks over the millions of years»

The dominance of negative feedbacks over the millions of years that comprise the climate time series is surely the main reason that we all exist today?
Petit et al. (1999); IPCC (2001a), p. 202; Lorius et al. (1990); Pälike et al. (2006)(detecting the carbon cycle feedback over millions of years).

Not exact matches

In addition, although the post 60s warming period is over, it has allowed the principal green house gas, water vapour, to kick in with humidity, clouds, rain and snow depending on where you live to provide the negative feedback that scientists use to explain the existence of complex life on Earth for 550 million years.
Clearly the Earth's climate feedbacks must be biased towards the negative over reasonably significant time periods or the Earth's climate could not have maintained such a narrow range of temperature over millions of years.
My understanding is that the atmosphere warmed by about 6 degrees C from our current level, and that triggered increasing releases of methane from clathrates in a positive feedback fashion over thousands of years (or was it millions of years??).
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