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Detalles Bibliográficos
Autores principales: Strasser, Michael, Ikehara, Ken, Everest, Jeremy D, Maeda, Lena, Hochmuth, Katharina, Grant, Hannah, Stewart, Margaret S, Sakurai, Noriaki, Yokoyama, Takahiro, Bao, Rui, Bellanova, Piero, Brunet, Morgane, Cai, Zhirong, Cattaneo, Antonio, Hsiung, Kan-Hsi, Huang, Jyh-Jaan Steven, Ishizawa, Tahashi, Itaki, Takuya, Jitsuno, Kana, Johnson, Joel E, Kanamatsu, Toshiya, Keep, Myra, Kioka, Arata, Kölling, Martin, Luo, Min, März, Christian, McHugh, Cecilia M G, Micallef, Aaron, Nagahashi, Yoshitaka, Pandey, Dhananjai K, Proust, Jean-Noël, Rasbury, Troy, Riedinger, Natascha, Satoguchi, Yasufumi, Sawyer, Derek E, Seibert, Chloé, Silver, Maxwell, Straub, Susanne M, Virtasalo, Joonas J, Wang, Yong Hong, Wu, Ting-Wei, Zellers, Sarah D
Formato: Dataset Open Access
Lenguaje:en
Publicado: PANGAEA 2025
Materias:
386-M0092C; C1/C2 hydrocarbon ratio; DEPTH, sediment/rock; DSDP/ODP/IODP sample designation; Ethane; Event label; Exp386; Gas chromatography, Agilent Technologies, 7890A; injected (split mode) into an Agilent 7890B gas chromatograph equipped with HP PLOT-Q column; Headspace Gas; Integrated Ocean Drilling Program / International Ocean Discovery Program; International Ocean Discovery Program (IODP); IODP; Japan Trench; JTPS-06B; Kaimei; Methane; Methane concentration; Proposed International Geo Sample Number; Sample code/label; TC; Trigger corer
Acceso en línea:https://doi.org/10.1594/PANGAEA.975498
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Tabla de Contenidos:
  • Headspace (HS) gas concentrations of the above given hole of International Ocean Discovery Program (IODP) Expedition 386 (Japan Trench Paleoseismology). The offshore phase of this expedition took place between 2021-04-13 and 2021-06-01 onboard Japanese R/V Kaimei from and to Yokosuka, Japan, followed by an onshore phase onboard D/V Chikyu between 2022-02-14 – 2022-03-15. Following standard protocols for headspace sampling, all headspace samples were collected onboard (offshore) from the base of each section immediately after section cutting following core recovery on deck. Two parallel headspace samples (IODP standard and requested samples) were collected from the bottom of every GPC core section, the longest core from each site, and the respective shorter trigger core. For each headspace double sample, ~5 cm³ of sediment was collected (using two 2.5 cm³ tip-cut syringes). Each 2.5 cm³ headspace sample was then added to a 20 mL crimp vial with 5 mL of 1 M NaOH. After sealing, the samples were preserved at 4°C until analysis. For further methodological information see methods chapter in Strasser, M. et al., 2023 https://doi.org/10.14379/iodp.proc.386.102.2023

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