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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 (2025): Line scan images of IODP Hole 389-M0096F [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.985457

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Published: 2025-09-26 • DOI registered: 2025-10-25

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Abstract:
Collection of line scan images 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. Line scan images were obtained during the onshore phase from the cleaned fresh cut surfaces directly after longitudinal splitting of core sections into work and archive halves. Images were obtained using the line scan sensor of the Avaatech Superslit X-ray fluorescence (XRF) core scanner in operation at MARUM. The line scan program of this scanner uses the Stemmer Common Vision Blox platform to acquire and process color images. Image resolution is ~150 pixel/cm in the crosscore and downcore direction. All split cores were measured using aperture setting f/11+ (a fixed value between 11 and 16). When cores were darker (e.g., in lava), the aperture was increased to up to f/5.6, and for lighter rocks (e.g., some corals) the aperture was decreased to f/13. This dataset includes the curated cropped images of working and archive halves for the best fitting aperture, respectively. File naming follows standard IODP file naming convention: Exp-SiteHole-CoreCoretype-SectionHalf. For example, a file 389-M0109A-06R-1W.jpg identifies the image of the working half of section 1, core 6R (R indicating rotary coring method), from Hole M0109A from Expedition 389.
For further methodological information see methods chapter in Webster, J.M. et al., 2025 https://doi.org/10.14379/iodp.proc.389.2025
Keyword(s):
central Pacific; Coral Reef; Earth climate feedbacks; Earth history tipping points; Expedition 389; Hawaiian Drowned Reefs; Hawaiian geology; International Ocean Discovery Program (IODP); MMA Valour; Paleoclimate; sea level; volcanic
Related to:
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 (2025): Hawaiian Drowned Reefs. Proceedings of the International Ocean Discovery Program, International Ocean Discovery Program, 389, https://doi.org/10.14379/iodp.proc.389.2025
Project(s):
Integrated Ocean Drilling Program / International Ocean Discovery Program (IODP)
Coverage:
Latitude: 20.036960 * Longitude: -156.065596
Date/Time Start: 2023-09-20T00:00:00 * Date/Time End: 2023-09-20T00:00:00
Minimum Elevation: -738.2 m * Maximum Elevation: -738.2 m
Event(s):
389-M0096F (KAW-06Ag)  * Latitude: 20.036960 * Longitude: -156.065596 * Date/Time Start: 2023-09-20T00:00:00 * Date/Time End: 2023-09-20T00:00:00 * Elevation: -738.2 m * Location: Hawaii, USA * Campaign: Exp389 (Hawaiian Drowned Reefs (HDR)) * Basis: MMA Valour * Method/Device: Benthic Portable Remotely Operated Drill (PROD5) * Comment: IGSN: IBCR0389EHN5101. Spatial reference system (SRS): 4326. Comment: LAT water depth: 737.6m. Washed 0 - 6.72m. Borehole abandoned due to technical issues.
Comment:
Data was submitted and proofread by Vera Barbara Bender, MARUM - Center for Marine Environmental Sciences (University Bremen) on behalf of ECORD Science Operator Data Management (https://www.ecord.org).
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 Event labelEvent
2 File nameFile name
3 File formatFile format
4 File sizeFile sizekByte
5 Image, sediment coreIMAGE sed core
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
36 data points

Data

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1 
Event		2 
File name		3 
File format		4 
File size [kByte]		5 
IMAGE sed core
389-M0096F 389-M0096F-01R-1A.jpgJPG328389-M0096F-01R-1A.jpg
389-M0096F389-M0096F-01R-1W.jpgJPG233389-M0096F-01R-1W.jpg
389-M0096F389-M0096F-02R-1A.jpgJPG793389-M0096F-02R-1A.jpg
389-M0096F389-M0096F-02R-1W.jpgJPG690389-M0096F-02R-1W.jpg
389-M0096F389-M0096F-03R-1A.jpgJPG3689389-M0096F-03R-1A.jpg
389-M0096F389-M0096F-03R-2A.jpgJPG633389-M0096F-03R-2A.jpg
389-M0096F389-M0096F-04R-1A.jpgJPG1668389-M0096F-04R-1A.jpg
389-M0096F389-M0096F-05R-1A.jpgJPG3827389-M0096F-05R-1A.jpg
389-M0096F389-M0096F-05R-2A.jpgJPG1673389-M0096F-05R-2A.jpg