Comment on Updated ice sheet model matches wild swings in past sea levels

Updated ice sheet model matches wild swings in past sea levels

It has been a bit of a head scratcher. Records of sea level during the last few million years tell us that there have been some warm periods where sea level may have been as much as 20 meters higher than it is today. When fed the conditions that prevailed at the time, however, our computer models of ice sheets haven’t been able to reproduce such a swelling of the ocean. The models can simulate that much sea level rise, but it requires temperatures much higher than were seen during those warm periods.

 

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