Carbonate record in North Atlantic sediments ...
Diffuse reflectance records from Feni Drift in the North Atlantic faithfully record sediment percent carbonate. A high-resolution, reflectance-based age model for these sediments derived from an orbitally tuned age model for western equatorial Atlantic, Ceara Rise sediments was generated by spectral...
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ftdatacite:10.1594/pangaea.856935 2024-09-15T18:21:26+00:00 Carbonate record in North Atlantic sediments ... Ortiz, Joseph D Mix, Alan C Harris, Sara E O'Connell, Suzanne B 1999 application/zip https://dx.doi.org/10.1594/pangaea.856935 https://doi.pangaea.de/10.1594/PANGAEA.856935 en eng PANGAEA https://dx.doi.org/10.1029/1998pa900021 https://dx.doi.org/10.25921/zr2c-9m02 Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 Ocean Drilling Program ODP article Collection Supplementary Publication Series of Datasets 1999 ftdatacite https://doi.org/10.1594/pangaea.85693510.1029/1998pa90002110.25921/zr2c-9m02 2024-08-01T10:53:32Z Diffuse reflectance records from Feni Drift in the North Atlantic faithfully record sediment percent carbonate. A high-resolution, reflectance-based age model for these sediments derived from an orbitally tuned age model for western equatorial Atlantic, Ceara Rise sediments was generated by spectral frequency mapping. Power spectra of the Feni Drift record indicate statistically significant sub-Milankovitch cyclicity at 7.6-8.4 and 4.8-6.1 kyr. We infer that these ~8 and ~5 kyr cycles document a linkage between North and equatorial Atlantic climate given our ability to correlate these records. These climate cycles influence Atlantic basin carbonate prior to the intensification of Northern Hemisphere glaciation and thus must arise from some portion of the climate system other than the dynamics of large ice sheets. The presence of these peaks, which could be related to equatorial clipped precession, implies a possible non-linear response to Milankovitch forcing. ... : Supplement to: Ortiz, Joseph D; Mix, Alan C; Harris, Sara E; O'Connell, Suzanne B (1999): Diffuse spectral reflectance as a proxy for percent carbonate content in North Atlantic sediments. Paleoceanography, 14(2), 171-186 ... Article in Journal/Newspaper North Atlantic DataCite |
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English |
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Ocean Drilling Program ODP |
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Ocean Drilling Program ODP Ortiz, Joseph D Mix, Alan C Harris, Sara E O'Connell, Suzanne B Carbonate record in North Atlantic sediments ... |
topic_facet |
Ocean Drilling Program ODP |
description |
Diffuse reflectance records from Feni Drift in the North Atlantic faithfully record sediment percent carbonate. A high-resolution, reflectance-based age model for these sediments derived from an orbitally tuned age model for western equatorial Atlantic, Ceara Rise sediments was generated by spectral frequency mapping. Power spectra of the Feni Drift record indicate statistically significant sub-Milankovitch cyclicity at 7.6-8.4 and 4.8-6.1 kyr. We infer that these ~8 and ~5 kyr cycles document a linkage between North and equatorial Atlantic climate given our ability to correlate these records. These climate cycles influence Atlantic basin carbonate prior to the intensification of Northern Hemisphere glaciation and thus must arise from some portion of the climate system other than the dynamics of large ice sheets. The presence of these peaks, which could be related to equatorial clipped precession, implies a possible non-linear response to Milankovitch forcing. ... : Supplement to: Ortiz, Joseph D; Mix, Alan C; Harris, Sara E; O'Connell, Suzanne B (1999): Diffuse spectral reflectance as a proxy for percent carbonate content in North Atlantic sediments. Paleoceanography, 14(2), 171-186 ... |
format |
Article in Journal/Newspaper |
author |
Ortiz, Joseph D Mix, Alan C Harris, Sara E O'Connell, Suzanne B |
author_facet |
Ortiz, Joseph D Mix, Alan C Harris, Sara E O'Connell, Suzanne B |
author_sort |
Ortiz, Joseph D |
title |
Carbonate record in North Atlantic sediments ... |
title_short |
Carbonate record in North Atlantic sediments ... |
title_full |
Carbonate record in North Atlantic sediments ... |
title_fullStr |
Carbonate record in North Atlantic sediments ... |
title_full_unstemmed |
Carbonate record in North Atlantic sediments ... |
title_sort |
carbonate record in north atlantic sediments ... |
publisher |
PANGAEA |
publishDate |
1999 |
url |
https://dx.doi.org/10.1594/pangaea.856935 https://doi.pangaea.de/10.1594/PANGAEA.856935 |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_relation |
https://dx.doi.org/10.1029/1998pa900021 https://dx.doi.org/10.25921/zr2c-9m02 |
op_rights |
Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 |
op_doi |
https://doi.org/10.1594/pangaea.85693510.1029/1998pa90002110.25921/zr2c-9m02 |
_version_ |
1810459973892702208 |