GLORIA — GEOMAR Library Ocean Research Information Access

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COSMOS model middle Eocene sensitivity tests with different obliquity values and Greenland-Scotland Ridge depths (2018)

Vahlenkamp, Maximilian ; Niezgodzki, Igor ; De Vleeschouwer, David ; [et al.]

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Publication Date: 2023-03-03

Keywords: Center for Marine Environmental Sciences; File format; File name; File size; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; MARUM; Uniform resource locator/link to file

Type: Dataset

Format: text/tab-separated-values, 12 data points

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(Supporting Information) MATLAB algorithm for the quantification of NGR spectra (2017)

De Vleeschouwer, David ; Dunlea, Ann G ; Auer, Gerald ; [et al.]

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Publication Date: 2024-04-26

Keywords: Center for Marine Environmental Sciences; File format; File name; File size; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; MARUM; Uniform resource locator/link to file

Type: Dataset

Format: text/tab-separated-values, 12 data points

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3

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Sedimentological, palynological, geochemical, palaeomagnetic, geochronological, and sediment physical investigations of cores 1R to 5R from MARUM-MeBo70 Site PS104_21-3 (2022)

Klages, Johann Philipp ; Hillenbrand, Claus-Dieter ; Bohaty, Steven M ; [et al.]

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Publication Date: 2024-06-11

Description: Here we present sedimentological, micropalaeontological, inorganic and organic geochemical, palaeomagnetic, geochronological, and sediment physical data obtained from successional drill cores 1R to 5R at MARUM-MeBo70 Site PS104_21-3 (73.31°S,107.11°W; 882 m water depth). The site is located within the Pine Island cross-shelf trough in the Amundsen Sea Embayment (ASE), West Antarctica and was drilled during RV Polarstern Expedition PS104 in 2017.

Keywords: climate; Eocene-Oligocene Transition; palaeoenvironment; West Antarctica; West Antarctic Ice Sheet

Type: Dataset

Format: application/zip, 14 datasets

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4

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Splice composition of ODP Site 154-927, 110.43 mcd to 119.79 mcd interval, Ceara Rise, tropical Atlantic (2022)

Cornuault, Pauline ; Westerhold, Thomas ; Pälike, Heiko ; [et al.]

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Publication Date: 2024-06-12

Description: Splice composition of the Leg 154 Site 927, adjusted for this study from Wilkens et al. (2017, DOI: 10.5194/cp-13-779-2017). The previously published splice composition: spliced MS: https://doi.org/10.1594/PANGAEA.871011 and splice composition: https://doi.org/10.1594/PANGAEA.871006) for the MIS KM5 (110.43 mcd to 119.79 mcd, 3095 to 3307 ka) have been modified to make the individual cores magnetic susceptibility records continuous and fit along the composite core.

Keywords: 154-927; COMPCORE; Composite Core; Composite depth; Composite splice; Depth, bottom/max; Depth, composite bottom; Depth, composite top; Depth, top/min; Joides Resolution; Leg154; MIS KM5; Ocean Drilling Program; ODP; Pliocene; PWP; Sample code/label; South Atlantic Ocean; tropical Atlantic

Type: Dataset

Format: text/tab-separated-values, 15 data points

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5

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Carbonate content analyses and accumulation rate data for the marine isotopic stage (MIS) 5, MIS 9, MIS KM5 and MCO, ODP Site 154-927, Ceara Rise, tropical Atlantic Ocean (2022)

Cornuault, Pauline ; Westerhold, Thomas ; Pälike, Heiko ; [et al.]

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Publication Date: 2024-06-12

Description: Total carbon measurement (LECO CS744 elemental analyser, Bremen University). The analyses were performed by heating 0.1 g of homogenised material in a ceramic dish and measuring the resulting CO2 in IR cells. The carbonate content has been calculated as the difference between the total carbon content and the organic carbon content, measured in a second sample that was pre-treated with hydrochloric acid to remove carbonates. Both measurements have an accuracy of 0.001 mg (1 ppm) or 0.5 % relative standard deviation (RSD). The inorganic carbon was then converted to carbonate content using the molecular mass of calcium carbonate. The carbonate content data were combined with dry bulk density (DBD) and sedimentation rate (SR, this study) to calculate the carbonate accumulation rate (CaCO3 AR) as CaCO3 AR = (CaCO3 % / 100) x DBD x SR for the four time intervals MIS 5, MIS 9, MIS KM5 and MCO for the Leg 154, Site 927, Ceara Rise, tropical Atlantic Ocean. The composite depths and age model presented are from this study.

Keywords: 154-927; Accumulation rate, calcium carbonate; AGE; CaCO3; Calcium carbonate; Calculated; Carbon, organic, total; Carbon, standard deviation; Carbon, total; Carbonate accumulation rates; Carbonate Content; Ceara Rise; COMPCORE; Composite Core; Core; Cruise/expedition; Density, dry bulk; Depth, composite; DEPTH, sediment/rock; Elemental analyzer, LECO, CS744; Half; Hole; Joides Resolution; Leg154; MCO; MIS 5; MIS 9; MIS KM5; Neogene; Ocean Drilling Program; ODP; Offset; Period; PWP; Quaternary; Sample code/label; Section; Sedimentation rate; Shape; Site; South Atlantic Ocean; tropical Atlantic; Type; Volume

Type: Dataset

Format: text/tab-separated-values, 5481 data points

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Palynological, palaeomagnetic, and sediment physical investigations of cores 1R to 3R from MARUM-MeBo70 Site PS104_21-2 (2022)

Klages, Johann Philipp ; Hillenbrand, Claus-Dieter ; Bohaty, Steven M ; [et al.]

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Publication Date: 2024-06-11

Description: Here we present palynological, palaeomagnetic, and sediment physical data obtained from successional drill cores 1R to 3R at MARUM-MeBo70 Site PS104_21-2 (73.31°S,107.11°W; 882 m water depth). The site is located within the Pine Island cross-shelf trough in the Amundsen Sea Embayment (ASE), West Antarctica and was drilled during RV Polarstern Expedition PS104 in 2017. The site is less than a kilometer away from MARUM-MeBo70 Site PS104_21-3.

Keywords: climate; Eocene-Oligocene Transition; palaeoenvironment; West Antarctica; West Antarctic Ice Sheet

Type: Dataset

Format: application/zip, 4 datasets

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7

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Age models, stable isotope record, and physical properties of ODP Hole 154-926B (2006)

Pälike, Heiko ; Frazier, Julia ; Zachos, James C

PANGAEA

In: Supplement to: Pälike, Heiko; Frazier, Julia; Zachos, James C (2006): Extended orbitally forced palaeoclimatic records from the equatorial Atlantic Ceara Rise. Quaternary Science Reviews, 25(23-24), 3138-3149, https://doi.org/10.1016/j.quascirev.2006.02.011

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Publication Date: 2024-05-18

Description: We extend existing high-resolution Oligocene–Miocene proxy records from Ocean Drilling Program (ODP) Leg 154. The extended record spans the time interval from ~17.86 to 26.5 Ma. The data are age calibrated against a new astronomical solution that affords a re-evaluation of the intricate interaction between orbital (“Milankovitch”) forcing of the climate and ocean system, and the fidelity with which this forcing is recorded in oxygen and carbon stable isotope measurements from benthic foraminifera, and associated lithological proxy records of magnetic susceptibility, colour reflectance, and the measured sand fraction. Our records show a very strong continual imprint of the Earth's obliquity cycle, modulate in amplitude every ~41 ka, a very strong eccentricity signal in the carbon isotope records, and a strong, but probably local, imprint of climatic precession on the coarse fraction and magnetic susceptibility records. Our data allowed us to evaluate how the interaction of long, multi-million year beats in the Earth's eccentricity and obliquity are implicated in the waxing and waning of ice-sheets, presumably on Antarctica. Our refined age model confirms the revised age of the Oligocene–Miocene boundary, previously established by analysis of the lithological data, and allows a strong correlation with the geomagnetic time scale by comparison with data from ODP Site 1090, Southern Ocean.

Keywords: -; 154-926B; Age model; Age model, optional; Cibicidoides spp., δ13C; Cibicidoides spp., δ18O; Color, L*, lightness; Depth, composite; DEPTH, sediment/rock; DRILL; Drilling/drill rig; Joides Resolution; Leg154; Magnetic susceptibility, volume; Ocean Drilling Program; ODP; Size fraction 〉 0.065 mm; South Atlantic Ocean; δ18O, adjusted/corrected

Type: Dataset

Format: text/tab-separated-values, 20128 data points

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