Here for Full Article On the duration of the Paleocene-Eocene thermal maximum
[1] The Paleocene-Eocene thermal maximum (PETM) is one of the best known examples of a transient climate perturbation, associated with a brief, but intense, interval of global warming and a massive perturbation of the global carbon cycle from injection of isotopically light carbon into the oceanatmo...
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.424.69 2023-05-15T18:25:40+02:00 Here for Full Article On the duration of the Paleocene-Eocene thermal maximum Ursula Röhl Thomas Westerhold Timothy J. Bralower James C. Zachos The Pennsylvania State University CiteSeerX Archives 2007 application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.424.69 http://www.es.ucsc.edu/~jzachos/pubs/Roehl_etal_07.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.424.69 http://www.es.ucsc.edu/~jzachos/pubs/Roehl_etal_07.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://www.es.ucsc.edu/~jzachos/pubs/Roehl_etal_07.pdf text 2007 ftciteseerx 2016-01-08T04:14:19Z [1] The Paleocene-Eocene thermal maximum (PETM) is one of the best known examples of a transient climate perturbation, associated with a brief, but intense, interval of global warming and a massive perturbation of the global carbon cycle from injection of isotopically light carbon into the oceanatmosphere system. One key to quantifying the mass of carbon released, identifying the source(s), and understanding the ultimate fate of this carbon is to develop high-resolution age models. Two independent strategies have been employed, cycle stratigraphy and analysis of extraterrestrial helium (HeET), both of which were first tested on Ocean Drilling Program (ODP) Site 690. These two methods are in agreement for the onset of the PETM and initial recovery, or the clay layer (‘‘main body’’), but seem to differ in the final recovery phase of the event above the clay layer, where the carbonate contents rise and carbon isotope values return toward background values. Here we present a state-of-the-art age model for the PETM derived from a new orbital chronology developed with cycle stratigraphic records from sites drilled during ODP Leg 208 (Walvis Ridge, Southeastern Atlantic) integrated with published records from Site 690 (Weddell Sea, Southern Ocean, ODP Leg 113). During Leg 208, five Paleocene-Eocene (P-E) boundary sections (Sites 1262 to 1267) were recovered in multiple holes over a depth transect of more than 2200 m at the Walvis Ridge, yielding the first stratigraphically complete P-E deep-sea sequence with moderate to Text Southern Ocean Weddell Sea Unknown Southern Ocean Weddell Sea Weddell |
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[1] The Paleocene-Eocene thermal maximum (PETM) is one of the best known examples of a transient climate perturbation, associated with a brief, but intense, interval of global warming and a massive perturbation of the global carbon cycle from injection of isotopically light carbon into the oceanatmosphere system. One key to quantifying the mass of carbon released, identifying the source(s), and understanding the ultimate fate of this carbon is to develop high-resolution age models. Two independent strategies have been employed, cycle stratigraphy and analysis of extraterrestrial helium (HeET), both of which were first tested on Ocean Drilling Program (ODP) Site 690. These two methods are in agreement for the onset of the PETM and initial recovery, or the clay layer (‘‘main body’’), but seem to differ in the final recovery phase of the event above the clay layer, where the carbonate contents rise and carbon isotope values return toward background values. Here we present a state-of-the-art age model for the PETM derived from a new orbital chronology developed with cycle stratigraphic records from sites drilled during ODP Leg 208 (Walvis Ridge, Southeastern Atlantic) integrated with published records from Site 690 (Weddell Sea, Southern Ocean, ODP Leg 113). During Leg 208, five Paleocene-Eocene (P-E) boundary sections (Sites 1262 to 1267) were recovered in multiple holes over a depth transect of more than 2200 m at the Walvis Ridge, yielding the first stratigraphically complete P-E deep-sea sequence with moderate to |
author2 |
The Pennsylvania State University CiteSeerX Archives |
format |
Text |
author |
Ursula Röhl Thomas Westerhold Timothy J. Bralower James C. Zachos |
spellingShingle |
Ursula Röhl Thomas Westerhold Timothy J. Bralower James C. Zachos Here for Full Article On the duration of the Paleocene-Eocene thermal maximum |
author_facet |
Ursula Röhl Thomas Westerhold Timothy J. Bralower James C. Zachos |
author_sort |
Ursula Röhl |
title |
Here for Full Article On the duration of the Paleocene-Eocene thermal maximum |
title_short |
Here for Full Article On the duration of the Paleocene-Eocene thermal maximum |
title_full |
Here for Full Article On the duration of the Paleocene-Eocene thermal maximum |
title_fullStr |
Here for Full Article On the duration of the Paleocene-Eocene thermal maximum |
title_full_unstemmed |
Here for Full Article On the duration of the Paleocene-Eocene thermal maximum |
title_sort |
here for full article on the duration of the paleocene-eocene thermal maximum |
publishDate |
2007 |
url |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.424.69 http://www.es.ucsc.edu/~jzachos/pubs/Roehl_etal_07.pdf |
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Southern Ocean Weddell Sea Weddell |
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Southern Ocean Weddell Sea Weddell |
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Southern Ocean Weddell Sea |
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Southern Ocean Weddell Sea |
op_source |
http://www.es.ucsc.edu/~jzachos/pubs/Roehl_etal_07.pdf |
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http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.424.69 http://www.es.ucsc.edu/~jzachos/pubs/Roehl_etal_07.pdf |
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1766207265774239744 |