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|a Annually Resolved Ice Core Records of Tropical Climate Variability over the Past 1800 Years |h [electronic resource] |y English. |
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|a [S.l.] : |b American Association for the Advancement of Science, |c 2013-05-24. |
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|a Science Magazine Volume 340 |y English. |
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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 Ice cores from low latitudes can provide a wealth of unique information about past climate in
the tropics, but they are difficult to recover and few exist. Here, we report annually resolved ice
core records from the Quelccaya ice cap (5670 meters above sea level) in Peru that extend back
~1800 years and provide a high-resolution record of climate variability there. Oxygen isotopic
ratios (d18O) are linked to sea surface temperatures in the tropical eastern Pacific, whereas
concentrations of ammonium and nitrate document the dominant role played by the migration
of the Intertropical Convergence Zone in the region of the tropical Andes. Quelccaya continues
to retreat and thin. Radiocarbon dates on wetland plants exposed along its retreating margins
indicate that it has not been smaller for at least six millennia. |
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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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|a climate change. |
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|a tropics--climate. |
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|a ice cores. |
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|a Andes. |
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|a LG Thompson |u Byrd Polar Research Center, The Ohio State University, Columbus,OH. |
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|a E Mosley- Thompson |u Byrd Polar Research Center, The Ohio State University, Columbus,OH. |
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|a M. E. Davis |u Byrd Polar Research Center, The Ohio State University, Columbus, OH. |
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|a V.S. Zagorodnov |u Byrd Polar Research Center, The Ohio State University, Columbus, OH. |
| 700 |
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|a I.M. Howat |u Byrd Polar Research Center, The Ohio State University, Columbus, OH. |
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|a V.N. Mikhalenko |u Institute of Geography, Russian Academy of Sciences,Moscow, Russia. |
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|a P.N. Lin |u Byrd Polar Research Center, The Ohio State University, Columbus,OH. |
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|a dpSobek. |
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|a Sea Level Rise. |
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|a dpSobek |c Sea Level Rise |
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|u http://dpanther.fiu.edu/dpService/dpPurlService/purl/FI15042555/00001 |y Click here for full text |
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|a http://dpanther.fiu.edu/sobek/content/FI/15/04/25/55/00001/FI15042555_thm.jpg |
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|a Sea Level Rise |
The record above was auto-generated from the METS file.
