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Timeline for How Hot was the Oligocene?

Current License: CC BY-SA 3.0

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Apr 23, 2018 at 12:57 comment added plannapus No it couldn't because i do not know the correspondance of d18O cibicidoides to degree Celsius. If I ever find a good source for it, I'll add it to my answer. The cooling at the E/O boundary is thought to be a drop of nearly 5°C so I would assume the Oligocene period (before the final warming) was ~8° warmer than today, but I do not have any reliable source for that.
Apr 23, 2018 at 12:47 comment added Communisty Couldn't you just simplify it like saying how much warmer would that be then? Not sure what the OP was after, but I would expect something like 'approximately 5 Celsius colder than current climate' as a punch line.
Apr 23, 2018 at 12:43 comment added plannapus The graph should help estimating how much warmer it was as the relationship between temperature and d18O is linear.
Apr 23, 2018 at 12:37 comment added plannapus @Communisty The question was what was the climate of the Oligocene like in comparison with today's climate? and my answer was warmer than the late Miocene to Recent period.
Apr 23, 2018 at 11:49 comment added Communisty It seems you didn't answer the question.
Apr 23, 2018 at 10:18 comment added plannapus Of course I made a typo on the graph: GTPS should be GPTS (i. e. Geomagnetic Polarity Time Scale). Will try to change it when I'll have time to redo the graph.
Apr 23, 2018 at 9:30 history answered plannapus CC BY-SA 3.0