Auderset, Alexandra; Fripiat, François; Creel, Roger; Oesch, Lukas; Studer, Anja S; Repschläger, Janne; Hathorne, Ed C; Vonhof, Hubert B; Schiebel, Ralf; Gordon, Laura; Lawrence, Kira T; Ren, Haojia Abby; Haug, Gerald H; Sigman, Daniel M; Martínez-García, Alfredo (2024): Foraminifera-bound nitrogen isotopes, oxygen isotopes, carbon isotopes, biomarkers and XRF elemental contents of sediment cores DSDP 516, MSM58-50-2 and ODP 662 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.968915
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Abstract:
This dataset includes new species-specific foraminifera-bound nitrogen isotope (FB-δ15N) and nitrogen content data for planktic foraminifera from sediment cores in the North Atlantic (MSM58-50-2), equatorial Atlantic (ODP 662), and South Atlantic (DSDP 516). In addition, the dataset includes new benthic foraminiferal oxygen and carbon isotope data from these three sites. For Site DSDP 516, we also measured lipid biomarkers and report TEX86-derived sea surface temperatures, GDGT-related indices, and concentrations. The age models for Sites DSDP 516 and MSM58-50 are reported. Finally, the dataset includes the model outputs for changing continental shelf area over the last 200,000 years as well as the input ice sheet reconstruction, topography (ETOPO1), sea-level history, latitude/longitude coordinates, Jupyter notebook, and Conda environment used to estimate this area.
Keyword(s):
Supplement to:
Auderset, Alexandra; et al. (in review): Sea level modulation of Atlantic nitrogen fixation over glacial cycles. Paleoceanography and Paleoclimatology
References:
Creel, Roger; Miesner, Frederieke; Wilkenskjeld, Stiig; Austermann, Jacqueline; Overduin, Pier Paul (2024): Glacial isostatic adjustment reduces past and future Arctic subsea permafrost. Nature Communications, 15(1), 3232, https://doi.org/10.1038/s41467-024-45906-8
Peltier, W R; Argus, Donald F; Drummond, R (2015): Space geodesy constrains ice age terminal deglaciation: The global ICE-6G_C (VM5a) model. Journal of Geophysical Research: Solid Earth, 120(1), 450-487, https://doi.org/10.1002/2014JB011176
Coverage:
Median Latitude: -0.002112 * Median Longitude: -28.534529 * South-bound Latitude: -30.276467 * West-bound Longitude: -38.579170 * North-bound Latitude: 31.660330 * East-bound Longitude: -11.739200
Date/Time Start: 1980-03-11T00:00:00 * Date/Time End: 2016-10-02T22:06:00
Minimum Elevation: -3824.0 m * Maximum Elevation: -1313.0 m
Event(s):
72-516_Site * Latitude: -30.276467 * Longitude: -35.285217 * Date/Time: 1980-03-11T00:00:00 * Elevation: -1313.0 m * Penetration: 15.672 m * Recovery: 9.037 m * Location: South Atlantic/CONT RISE * Campaign: Leg72 * Basis: Glomar Challenger * Method/Device: Composite Core (COMPCORE) * Comment: 183 cores; 1331.3 m cored; 37.1 m drilled; 67.9% recovery
108-662 * Latitude: -1.390200 * Longitude: -11.739200 * Date/Time Start: 1986-03-24T00:00:00 * Date/Time End: 1986-03-26T00:00:00 * Elevation: -3824.0 m * Penetration: 388.2 m * Recovery: 318.7 m * Location: South Atlantic Ocean * Campaign: Leg108 * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 34 cores; 314 m cored; 0 m drilled; 101.5% recovery
MSM58_707-1 (MSM58-50-2, MSM58/707-1) * Latitude: 31.660330 * Longitude: -38.579170 * Date/Time: 2016-10-02T22:06:00 * Elevation: -3602.2 m * Penetration: 10 m * Recovery: 5.20 m * Location: North Atlantic Ocean * Campaign: MSM58/1 * Basis: Maria S. Merian * Method/Device: Gravity corer (GC)
Comment:
Project has been funded by SNSF mobility grant P2EZP2_200000, US NSF grants 1736652, US NSF grants 1851430, ENGAGE project, ARC consolidation project STEREO.
Parameter(s):
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Basic curation (CurationLevelB)
Size:
22 data points
Data
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| 1 Binary | 2 Binary (Size) [Bytes] | 3 Binary (Hash) | 4 Content |
|---|---|---|---|
| Data_S1_DSDP516.xlsx | 82.4 kBytes | a2e0e5b0c62fcc29a256049f483c1a2d | This data file includes species-specific foraminifera-bound nitrogen isotope (FB-δ15N) and nitrogen content data for planktic foraminifera from DSDP Site 516 in the South Atlantic gyre. In addition, the dataset includes new benthic foraminiferal oxygen and carbon isotope data, lipid biomarker data, XRF element ratios and the proposed age model with oxygen isotope-based tie points. |
| Data_S2_MSM58-50.xlsx | 24.1 kBytes | 9b2007b4fb7681e32ae311f583087b75 | This data file includes species-specific foraminifera-bound nitrogen isotope (FB-δ15N) and nitrogen content data for planktic foraminifera from Site MSM58-50 in the North Atlantic gyre. In addition, the dataset includes new benthic foraminiferal oxygen and carbon isotope data and the proposed age model with oxygen isotope-based tie points. |
| Data_S3_ODP662.xlsx | 48.6 kBytes | 3f2837b97bf4fc3797d638cb69b5c179 | This data file includes species-specific foraminifera-bound nitrogen isotope (FB-δ15N) and nitrogen content data for planktic foraminifera from ODP Site 662 in the equatorial Atlantic. In addition, the dataset includes new benthic foraminiferal oxygen and carbon isotope data. |
| Data_S4_shelf_model_output.xlsx | 76.9 kBytes | 5a64e3c7dc7a738460e332b06579f6a1 | This data file includes the model output for reconstructed glacial/ interglacial flooded shelf area variability plotted in Figure 7. |
| Model_d15n_shelf_notebook.ipynb | 1.3 MBytes | 0826a088a3ac6c39d4670f8aec6b0dc5 | Jupyter notebook with Python code to model changing continental shelf area over the last 200000 years. |
| Model_environment.yaml | 9.6 kBytes | c2b3add3d7187d9d18b7a0fe7ab50647 | A Conda environment used to run the Jupyter notebook. |
| Model_etopo_ice_15.txt | 21.1 MBytes | 6c85165162f3961d606537c8639d7381 | ETOPO-2 Two-minute gridded global relief for both ocean and land areas. This includes ice elevation as topography. The first column contains longitude in degree (ranging from 0 to 360, with values larger 180 for the western hemisphere). The first column contains latitude in degree. The third column contains the surface height in meter above sea level, with positive values for points on land and negative values for points on sea. |
| Model_ice.nc | 735 MBytes | 9a559fe61a87ef003b4db0b1a342ab91 | Gridded global ice model used as inputs for the glacial isostatic adjustment modeling. The model includes the Eurasian ice sheet by Lambeck et al. (1995) with remaining ice sheets from Peltier et al. (2015). This model is identical to the lambeck_400k_3k_rcp2p6_ch21ctrl_gr21ctrl.nc file used in Creel et al. 2024 (doi: 10.1038/s41467-024-45906-8). See nature.com for more information. |
| Model_lat_GL256.txt | 1.8 kBytes | 730dde857ad05c317e8b535af37f63df | Latitudes in degree of the 256-bin Gauss Legendre grid coordinates used to interpolate topography onto the resolution of the ice and sea-level models. |
| Model_lon_GL256.txt | 3.8 kBytes | 66915afdfb3deaf18c51f86d313e7b3c | Longitudes in degree of the 256-bin Gauss Legendre grid coordinates used to interpolate topography onto the resolution of the ice and sea-level models. |
| Model_rsl.nc | 749.6 MBytes | d43d00e715572d91f750f3ea0d3be5c6 | Glacial isostatic adjustment model outputs created using the Model_ice.nc file and a three-tiered radially symmetric viscosity structure with a lithospheric thickness of 90 km and mantle parameterized following the VM5a viscosity structure of Peltier et al. 2015. This model is identical to the output_400k_3k_rcp2p6_ch21ctrl_gr21ctrl_l90C.umVM5.lmVM5.nc file used in Creel et al. 2024 (doi:10.1038/s41467-024-45906-8). See nature.com for more information. |