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|a Reef drowning during the last deglaciation |h [electronic resource] |b Evidence for catastrophic sea-level rise and ice-sheet collapse |y English. |
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|a Geology Volume 23 Number 1. |
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|a Please contact the owning institution for licensing and permissions. It is the user's responsibility to ensure use does not violate any third party rights. |
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|a Elevations and ages of drowned Acropora palmata reefs from the Caribbean-Atlantic
region document three catastrophic, metre-scale sea-level–rise events during the last deglaciation.
These catastrophic rises were synchronous with (1) collapse of the Laurentide
and Antarctic ice sheets, (2) dramatic reorganization of ocean-atmosphere circulation, and
(3) releases of huge volumes of subglacial and proglacial meltwater. This correlation suggests
that release of stored meltwater periodically destabilized ice sheets, causing them to
collapse and send huge fleets of icebergs into the Atlantic. Massive inputs of ice not only
produced catastrophic sea-level rise, drowning reefs and destabilizing other ice sheets, but
also rapidly reduced the elevation of the Laurentide ice sheet, flipping atmospheric circulation
patterns and forcing warm equatorial waters into the frigid North Atlantic. Such
dramatic evidence of catastrophic climate and sea-level change during deglaciation has
potentially disastrous implications for the future, especially as the stability of remaining
ice sheets—such as in West Antarctica—is in question. |
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|a Electronic reproduction. |c Florida International University, |d 2015. |f (dpSobek) |n Mode of access: World Wide Web. |n System requirements: Internet connectivity; Web browser software. |
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|t Reef drowning during the last deglaciation |
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|a dpSobek |c Sea Level Rise |
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|u http://dpanther.fiu.edu/dpService/dpPurlService/purl/FI15062034/00001 |y Click here for full text |
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|3 Host material |u http://geology.gsapubs.org/content/23/1/4.abstract |y Reef drowning during the last deglaciation |
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|a http://dpanther.fiu.edu/sobek/content/FI/15/06/20/34/00001/FI15062034thm.jpg |
