Sea levels erratic during latest ice age
Cave research finds new evidence of surprising rise 81,000 years ago
By Sid Perkins, 16:52 PM February 11, 2010
Cave formations along the coast of an island in the Mediterranean Sea hold evidence that sea level can rise and fall abruptly during an ice age, a finding that casts some doubt on current notions about how those lengthy cold spells develop and progress.
At the height of an ice age, immense volumes of water are locked up in land-based ice sheets, and ocean levels can be as much as 130 meters below where they are today. By contrast, when that ice melts during warm periods, sea level can be a ...
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