Zhou, Xiaoli; Thomas, Ellen; Rickaby, Rosalind E M; Winguth, Arne M E; Lu, Zunli (2016): (Table S) Planktonic foraminifera I/Ca during the PETM [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.869448, Supplement to: Zhou, X et al. (2014): I/Ca evidence for upper ocean deoxygenation during the PETM. Paleoceanography, 29(10), 964-975, https://doi.org/10.1002/2014PA002702
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Abstract:
As yet no evidence has been presented for pervasive deoxygenation in the upper water column through expansion of Oxygen Minimum Zones (OMZs) during the PETM. We apply a novel proxy for paleo-redox conditions, the iodine to calcium ratio (I/Ca) in bulk coarse fraction sediment and planktonic foraminiferal tests from pelagic sites in different oceans, and compared our reconstruction with modeled oxygen levels. The reconstructed iodate gradients indicate that deoxygenation occurred in the upper water column in the Atlantic, Indian Oceans, and possibly the Pacific Ocean as well during the PETM, due to vertical and potentially lateral expansion of OMZs.
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: -30.839247 * Median Longitude: 63.508044 * South-bound Latitude: -65.161000 * West-bound Longitude: 1.204900 * North-bound Latitude: 18.440300 * East-bound Longitude: -179.555000
Date/Time Start: 1987-01-20T03:15:00 * Date/Time End: 2003-04-05T00:00:00
Minimum Elevation: -4755.4 m * Maximum Elevation: -1371.0 m
Event(s):
113-690B * Latitude: -65.161000 * Longitude: 1.204900 * Date/Time Start: 1987-01-20T03:15:00 * Date/Time End: 1987-01-21T07:00:00 * Elevation: -2925.0 m * Penetration: 213.4 m * Recovery: 214.75 m * Location: South Atlantic Ocean * Campaign: Leg113 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 25 cores; 213.4 m cored; 0 m drilled; 100.6 % recovery
119-738C * Latitude: -62.709000 * Longitude: 82.787800 * Date/Time Start: 1988-01-11T18:45:00 * Date/Time End: 1988-01-17T05:00:00 * Elevation: -2263.0 m * Penetration: 533.8 m * Recovery: 146.03 m * Location: Indian Ocean * Campaign: Leg119 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 35 cores; 337.2 m cored; 0 m drilled; 43.3 % recovery
122-762C * Latitude: -19.887000 * Longitude: 112.254000 * Date/Time Start: 1988-07-27T03:25:00 * Date/Time End: 1988-08-05T08:30:00 * Elevation: -1371.0 m * Penetration: 940 m * Recovery: 534.54 m * Location: South Indian Ridge, South Indian Ocean * Campaign: Leg122 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 91 core; 940 m cored; 0 m drilled; 56.9 % recovery
Comment:
measured by ICP-MS in Syracuse University during 2012-2014
Parameter(s):
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
505 data points