Book ChapterExpedition 397 methodsAbrantes, F; Hodell, DA; Alvarez_Zarikian, CA; Brooks, HL; Clark, WB; Dauchy-Tric, LFB; dos_Santos_Rocha, V; Flores, J-A; Herbert, TD; Hines, SKV; Huang, H-HM; Ikeda, H; Kaboth-Bahr, S; Kuroda, J; Link, JM; McManus, JF; Mitsunaga, BA; Nana_Yobo, L; Pallone, CT; Pang, X; Peral, MY; Salgueiro, E; Sanchez, S; Verma, K; Wu, J; Xuan, C; Yu, JThis chapter provides an overview of the procedures and methods employed for coring operations and in the shipboard laboratories of the R/V JOIDES Resolution during International Ocean Discovery Program (IODP) Expedition 397. The laboratory information applies only to shipboard work described in the Expedition Report section of the Expedition 397 Proceedings of the International Ocean Discovery Program volume that includes the shipboard sample registry, imaging and analytical instruments, core description tools, and the Laboratory Information Management System (LIMS) database. The shipboard workflow followed standard IODP procedures (as previously described by, e.g., Huber et al., 2019; Winckler et al., 2021; Planke et al., 2023), with revisions and refinements as described in this chapter. Methods used by investigators for shore-based analyses of Expedition 397 data will be documented in separate publications. All shipboard scientists contributed to this volume with the following primary responsibilities (authors are listed in alphabetical order; see Expedition 397 scientists for contact information): Summary chapter: Expedition 397 Scientists Methods and site chapters: Background and objectives: F. Abrantes, D. Hodell Operations: C.A. Alvarez Zarikian, K. Grigar Lithostratigraphy: H.L. Brooks, J.M. Link, J. McManus, C. Pallone, X. Pang, E. Salgueiro, V. dos Santos Rocha, J. Yu Biostratigraphy: C.A. Alvarez Zarikian, W. Clark, J.-A. Flores, M. Peral, K. Verma Paleomagnetism: L. Dauchy-Tric, C. Xuan Geochemistry: S. Hines, B. Mitsunaga, L. Nana Yobo, J. Wu Physical properties and downhole measurements: H.-H.M. Huang, H. Ikeda, J. Kuroda, S. Sanchez Stratigraphic correlation: T. Herbert, H.-H.M. Huang, S. Kaboth-Bahr This introductory section provides an overview of drilling and coring operations, core handling, curatorial conventions, depth scale terminology, and the sequence of shipboard analyses. Subsequent sections of this chapter document specific laboratory instruments and methods in detail.International Ocean Discovery Program2024-06-1110513604Proceedings of the International Ocean Discovery Program Expedition reports3971022377-3189https://doi.org/10.14379/iodp.proc.397.102.20241326927International Ocean Discovery ProgramIODPJOIDES ResolutionExpedition 397Iberian Margin PaleoclimateClimate and Ocean ChangeSite U1586Site U1587Site U1385Site U1588National Science Foundation