The result will be an increase in magma production, but not at exactly the same time as the sea level changes.

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Geologic history shows that over a LONG time period that sea level changes by about 65 feet (20 m) for each degree C of change in the ocean.

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"Even though they seem far away, changes in the polar regions could have an impact on both hemispheres, with sea level rise and changes in climate patterns, " he said.

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Fresh from constructing a sea-level canal through the flat Egyptian sand, de Lesseps was determined, without having set foot in Panama and after only the vaguest of topographical studies, that his project through the mountainous central American isthmus would also be a sea-level canal, requiring no locks to cope with changes in altitude.

ECONOMIST: The Panama Canal

People don't easily understand how a small sea level rise can result in bigger storm surges and coastal damage, or how slight changes in ocean temperatures can change global rainfall patterns, leading to droughts and floods with catastrophic economic and societal consequences.

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Whatever the dispute about the rates and amounts of sea level rise, it is evident that coastal populations and ecosystems will need to adapt to these changes.

UNESCO: Biodiversity Initiative