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Main Authors: Webster, Jody M, Ravelo, Ana Christina, Grant, Hannah, Stewart, Margaret S, Rydzy, Marisa, Le Ber, Erwan, Allison, Nicola, Asami, Ryuji, Boston, Brian, Braga, Juan-Carlos, Brenner, Logan, Chen, Xuefei, Chutcharavan, Peter, Dutton, Andrea, Felis, Thomas, Fukuyo, Naoto, Gischler, Eberhard, Greve, Sahra, Hagen, Amy, Hamon, Youri, Hathorne, Ed C, Humblet, Marc, Jorry, Stephan J, Khanna, Pankaj, McGregor, Helen V, Mortlock, Richard A, Nohl, Theresa, Potts, Donald C, Prohaska, Ana, Prouty, Nancy G, Renema, Willem, Rubin, Kenna Harmony, Westphal, Hildegard, Yokoyama, Yusuke
Format: Dataset Open Access
Language:en
Published: PANGAEA 2025
Subjects:
389-M0097B; Benthic Portable Remotely Operated Drill (PROD5); Calculated; Carbon, inorganic, total; Carbon, organic, total; Carbon, total; central Pacific; Coral Reef; Depth, sediment/rock, bottom/maximum; Depth, sediment/rock, top/minimum; DSDP/ODP/IODP sample designation; Earth climate feedbacks; Earth history tipping points; Elemental analyzer, LECO, CS744; Event label; Exp389; Expedition 389; Hawaii, USA; Hawaiian Drowned Reefs; Hawaiian Drowned Reefs (HDR); Hawaiian geology; Integrated Ocean Drilling Program / International Ocean Discovery Program; International Ocean Discovery Program (IODP); IODP; KAW-04Bb; Main Lithology; MMA Valour; Paleoclimate; Proposed International Geo Sample Number; Sample code/label; sea level; volcanic
Online Access:https://doi.org/10.1594/PANGAEA.985238
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Table of Contents:
  • Total carbon (TC), total organic carbon (TOC), and total inorganic carbon (TIC) content from solid-phase discrete samples from the above given hole of International Ocean Discovery Program (IODP) Expedition 389 (Hawaiian Drowned Reefs). The offshore phase of this expedition took place between 2023-08-31 and 2023-10-31 onboard multipurpose vessel MMA Valour sailing from and to Barbers Point Harbor, Hawai'i, USA, followed by the onshore phase from 2025-02-06 to 2025-02-26 at the Bremen Core Repository (BCR) hosted at MARUM – Center for Marine Environmental Sciences, University of Bremen. During the onshore phase a set of solid-phase samples were taken from the work halves of core sections, with a volume of approx. 10 cubic centimeters each, were taken with the purpose to be later on split into aliquots for the following three analyses: X-ray diffraction, carbon and X-ray fluorescence. Bulk samples were subsequently freeze-dried, ground and homogenized to a fine powder (<20 µm particle size) by ECORD Science Operator staff using a pestle and an agate mortar or a ball mill. Sample aliquots of approx. 100 mg (TC) and 1 g (TOC) were processed through a CS744 LECO carbon-sulfur analyzer to obtain the respective concentrations. TIC was calculated as the difference between TC and TOC. For further methodological information see methods chapter in Webster, J.M. et al., 2025 https://doi.org/10.14379/iodp.proc.389.2025

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