Stable carbon and oxygen isotope record of planktonic foraminifera of ODP Hole 115-709C
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| Auteurs principaux: | , |
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| Format: | Dataset Open Access |
| Langue: | en |
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PANGAEA
1990
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| _version_ | 1867169502770233344 |
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| author | Shackleton, Nicholas J Hall, Michael A |
| author_facet | Shackleton, Nicholas J Hall, Michael A |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | A closely spaced (5-cm interval) oxygen isotope stratigraphy of planktonic foraminifers from Hole 709C was completed for most of the Pliocene and lowermost Pleistocene (around 4.6-1.4 Ma). This will contribute data to the future testing of the Matthews and Poore model of 1980, in which it was assumed that low-latitude sea-surface temperature has remained virtually constant as global climate evolved. Spectral analyses of the record by means of biostratigraphic time controls show a distinct peak at a period near 40 ka that is probably associated with the orbital obliquity cycle. Visual inspection of the record shows that intervals containing distinct 40-ka cycles are present in both lower and upper parts of the Pliocene even though a regular cycle cannot be followed throughout the entire 4-m.y. investigated. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_755884 |
| institution | PANGAEA |
| language | en |
| publishDate | 1990 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Stable carbon and oxygen isotope record of planktonic foraminifera of ODP Hole 115-709C Shackleton, Nicholas J Hall, Michael A 115-709C; DRILL; Drilling/drill rig; Joides Resolution; Leg115; Ocean Drilling Program; ODP; South Indian Ridge, South Indian Ocean A closely spaced (5-cm interval) oxygen isotope stratigraphy of planktonic foraminifers from Hole 709C was completed for most of the Pliocene and lowermost Pleistocene (around 4.6-1.4 Ma). This will contribute data to the future testing of the Matthews and Poore model of 1980, in which it was assumed that low-latitude sea-surface temperature has remained virtually constant as global climate evolved. Spectral analyses of the record by means of biostratigraphic time controls show a distinct peak at a period near 40 ka that is probably associated with the orbital obliquity cycle. Visual inspection of the record shows that intervals containing distinct 40-ka cycles are present in both lower and upper parts of the Pliocene even though a regular cycle cannot be followed throughout the entire 4-m.y. investigated. |
| title | Stable carbon and oxygen isotope record of planktonic foraminifera of ODP Hole 115-709C |
| topic | 115-709C; DRILL; Drilling/drill rig; Joides Resolution; Leg115; Ocean Drilling Program; ODP; South Indian Ridge, South Indian Ocean |
| url | https://doi.org/10.1594/PANGAEA.755884 |