(Table 1) Stable oxygen isotope ratios of Globigerinoides sacculifer of ODP Hole 130-806B, supplement to: Jansen, Eystein; Mayer, Larry A; Backman, Jan; Leckie, R Mark; Takayama, Toshiaki (1993): Evolution of Pliocene climate cyclicity at Hole 806B (5-2 Ma): oxygen isotope record. In: Berger, WH; Kroenke, LW; Mayer, LA; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 130, 349-362
A detailed Pliocene oxygen isotope record from the Ontong Java Plateau, based on measurements of the surface-dwelling planktonic foraminifer Globigerinoides sacculifer, was produced for the period from 5 to 2 Ma. The record documents major long- and short-term climate changes. The results show perio...
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1993
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ftdatacite:10.1594/pangaea.780399 2023-05-15T18:28:40+02:00 (Table 1) Stable oxygen isotope ratios of Globigerinoides sacculifer of ODP Hole 130-806B, supplement to: Jansen, Eystein; Mayer, Larry A; Backman, Jan; Leckie, R Mark; Takayama, Toshiaki (1993): Evolution of Pliocene climate cyclicity at Hole 806B (5-2 Ma): oxygen isotope record. In: Berger, WH; Kroenke, LW; Mayer, LA; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 130, 349-362 Jansen, Eystein Mayer, Larry A Backman, Jan Leckie, R Mark Takayama, Toshiaki 1993 text/tab-separated-values https://dx.doi.org/10.1594/pangaea.780399 https://doi.pangaea.de/10.1594/PANGAEA.780399 en eng PANGAEA - Data Publisher for Earth & Environmental Science https://dx.doi.org/10.2973/odp.proc.sr.130.028.1993 Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 CC-BY DEPTH, sediment/rock Depth, composite Globigerinoides sacculifer sac, δ18O Drilling/drill rig Intercore correlation Mass spectrometer Finnigan MAT 251 Leg130 Joides Resolution Ocean Drilling Program ODP Supplementary Dataset dataset Dataset 1993 ftdatacite https://doi.org/10.1594/pangaea.780399 https://doi.org/10.2973/odp.proc.sr.130.028.1993 2022-02-08T16:24:46Z A detailed Pliocene oxygen isotope record from the Ontong Java Plateau, based on measurements of the surface-dwelling planktonic foraminifer Globigerinoides sacculifer, was produced for the period from 5 to 2 Ma. The record documents major long- and short-term climate changes. The results show periods of enhanced ice volume at 4.6 to 4.3 Ma and after 2.85 Ma, a long-term warming trend from 4.1 to 3.7 Ma, and a distinct cooling trend that was initiated at 3.5 Ma and progressed through the initiation of large-scale Northern Hemisphere glaciation after 2.85 Ma (according to the time scale of Shackleton and others proposed in 1990). Periods of high average ice volumes also show the highest d18O amplitudes. The pattern of climate cyclicity changed markedly at about 2.85 Ma. Earlier times were marked by high-frequency variability at the precessional frequencies or even higher frequencies, pointing to low-latitude processes as a main controlling factor driving planktonic d18O variability in this period. The high-frequency variability is not coherent with insolation and points to strong nonlinearity in the way the climate system responded to orbital forcing before the onset of large scale Northern Hemisphere glaciation. After 3 Ma, stronger 41-k.y. cyclicity appears in the record. The shift in pattern is clearest around 2.85 Ma (according to the time scale proposed by Shackleton and others in 1990), 100-200 k.y. before the most dramatic spread of Northern Hemisphere ice sheets. This indicates that high-latitude processes from this point on began to take over and influence most strongly the d18O record, which now reflects ice-volume fluctuations related to the climatic effects of obliquity forcing on the seasonality of high-latitude areas, most probably in the Northern Hemisphere. The general Pliocene trend is that high-latitude climate sensitivity and instability was increasing, and the causal factors producing the intensified glacial cyclicity during the Pliocene must be factors that enhance cooling and climate sensitivity in the subarctic areas. Dataset Subarctic DataCite Metadata Store (German National Library of Science and Technology) Leckie ENVELOPE(66.007,66.007,-70.439,-70.439) Shackleton |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
English |
topic |
DEPTH, sediment/rock Depth, composite Globigerinoides sacculifer sac, δ18O Drilling/drill rig Intercore correlation Mass spectrometer Finnigan MAT 251 Leg130 Joides Resolution Ocean Drilling Program ODP |
spellingShingle |
DEPTH, sediment/rock Depth, composite Globigerinoides sacculifer sac, δ18O Drilling/drill rig Intercore correlation Mass spectrometer Finnigan MAT 251 Leg130 Joides Resolution Ocean Drilling Program ODP Jansen, Eystein Mayer, Larry A Backman, Jan Leckie, R Mark Takayama, Toshiaki (Table 1) Stable oxygen isotope ratios of Globigerinoides sacculifer of ODP Hole 130-806B, supplement to: Jansen, Eystein; Mayer, Larry A; Backman, Jan; Leckie, R Mark; Takayama, Toshiaki (1993): Evolution of Pliocene climate cyclicity at Hole 806B (5-2 Ma): oxygen isotope record. In: Berger, WH; Kroenke, LW; Mayer, LA; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 130, 349-362 |
topic_facet |
DEPTH, sediment/rock Depth, composite Globigerinoides sacculifer sac, δ18O Drilling/drill rig Intercore correlation Mass spectrometer Finnigan MAT 251 Leg130 Joides Resolution Ocean Drilling Program ODP |
description |
A detailed Pliocene oxygen isotope record from the Ontong Java Plateau, based on measurements of the surface-dwelling planktonic foraminifer Globigerinoides sacculifer, was produced for the period from 5 to 2 Ma. The record documents major long- and short-term climate changes. The results show periods of enhanced ice volume at 4.6 to 4.3 Ma and after 2.85 Ma, a long-term warming trend from 4.1 to 3.7 Ma, and a distinct cooling trend that was initiated at 3.5 Ma and progressed through the initiation of large-scale Northern Hemisphere glaciation after 2.85 Ma (according to the time scale of Shackleton and others proposed in 1990). Periods of high average ice volumes also show the highest d18O amplitudes. The pattern of climate cyclicity changed markedly at about 2.85 Ma. Earlier times were marked by high-frequency variability at the precessional frequencies or even higher frequencies, pointing to low-latitude processes as a main controlling factor driving planktonic d18O variability in this period. The high-frequency variability is not coherent with insolation and points to strong nonlinearity in the way the climate system responded to orbital forcing before the onset of large scale Northern Hemisphere glaciation. After 3 Ma, stronger 41-k.y. cyclicity appears in the record. The shift in pattern is clearest around 2.85 Ma (according to the time scale proposed by Shackleton and others in 1990), 100-200 k.y. before the most dramatic spread of Northern Hemisphere ice sheets. This indicates that high-latitude processes from this point on began to take over and influence most strongly the d18O record, which now reflects ice-volume fluctuations related to the climatic effects of obliquity forcing on the seasonality of high-latitude areas, most probably in the Northern Hemisphere. The general Pliocene trend is that high-latitude climate sensitivity and instability was increasing, and the causal factors producing the intensified glacial cyclicity during the Pliocene must be factors that enhance cooling and climate sensitivity in the subarctic areas. |
format |
Dataset |
author |
Jansen, Eystein Mayer, Larry A Backman, Jan Leckie, R Mark Takayama, Toshiaki |
author_facet |
Jansen, Eystein Mayer, Larry A Backman, Jan Leckie, R Mark Takayama, Toshiaki |
author_sort |
Jansen, Eystein |
title |
(Table 1) Stable oxygen isotope ratios of Globigerinoides sacculifer of ODP Hole 130-806B, supplement to: Jansen, Eystein; Mayer, Larry A; Backman, Jan; Leckie, R Mark; Takayama, Toshiaki (1993): Evolution of Pliocene climate cyclicity at Hole 806B (5-2 Ma): oxygen isotope record. In: Berger, WH; Kroenke, LW; Mayer, LA; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 130, 349-362 |
title_short |
(Table 1) Stable oxygen isotope ratios of Globigerinoides sacculifer of ODP Hole 130-806B, supplement to: Jansen, Eystein; Mayer, Larry A; Backman, Jan; Leckie, R Mark; Takayama, Toshiaki (1993): Evolution of Pliocene climate cyclicity at Hole 806B (5-2 Ma): oxygen isotope record. In: Berger, WH; Kroenke, LW; Mayer, LA; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 130, 349-362 |
title_full |
(Table 1) Stable oxygen isotope ratios of Globigerinoides sacculifer of ODP Hole 130-806B, supplement to: Jansen, Eystein; Mayer, Larry A; Backman, Jan; Leckie, R Mark; Takayama, Toshiaki (1993): Evolution of Pliocene climate cyclicity at Hole 806B (5-2 Ma): oxygen isotope record. In: Berger, WH; Kroenke, LW; Mayer, LA; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 130, 349-362 |
title_fullStr |
(Table 1) Stable oxygen isotope ratios of Globigerinoides sacculifer of ODP Hole 130-806B, supplement to: Jansen, Eystein; Mayer, Larry A; Backman, Jan; Leckie, R Mark; Takayama, Toshiaki (1993): Evolution of Pliocene climate cyclicity at Hole 806B (5-2 Ma): oxygen isotope record. In: Berger, WH; Kroenke, LW; Mayer, LA; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 130, 349-362 |
title_full_unstemmed |
(Table 1) Stable oxygen isotope ratios of Globigerinoides sacculifer of ODP Hole 130-806B, supplement to: Jansen, Eystein; Mayer, Larry A; Backman, Jan; Leckie, R Mark; Takayama, Toshiaki (1993): Evolution of Pliocene climate cyclicity at Hole 806B (5-2 Ma): oxygen isotope record. In: Berger, WH; Kroenke, LW; Mayer, LA; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 130, 349-362 |
title_sort |
(table 1) stable oxygen isotope ratios of globigerinoides sacculifer of odp hole 130-806b, supplement to: jansen, eystein; mayer, larry a; backman, jan; leckie, r mark; takayama, toshiaki (1993): evolution of pliocene climate cyclicity at hole 806b (5-2 ma): oxygen isotope record. in: berger, wh; kroenke, lw; mayer, la; et al. (eds.), proceedings of the ocean drilling program, scientific results, college station, tx (ocean drilling program), 130, 349-362 |
publisher |
PANGAEA - Data Publisher for Earth & Environmental Science |
publishDate |
1993 |
url |
https://dx.doi.org/10.1594/pangaea.780399 https://doi.pangaea.de/10.1594/PANGAEA.780399 |
long_lat |
ENVELOPE(66.007,66.007,-70.439,-70.439) |
geographic |
Leckie Shackleton |
geographic_facet |
Leckie Shackleton |
genre |
Subarctic |
genre_facet |
Subarctic |
op_relation |
https://dx.doi.org/10.2973/odp.proc.sr.130.028.1993 |
op_rights |
Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1594/pangaea.780399 https://doi.org/10.2973/odp.proc.sr.130.028.1993 |
_version_ |
1766211238437584896 |