Book Chapter

Coral reef development and sea-level changes over the past 50,000 years: new evidence from the north-west shelf of Australia

Jody M Webster, B Dechink, K Sanborn, Y Yokoyama, JC Braga, Willem Renema, M Humblet, RJ Beaman, LD Nothdurft, GE Webb, J-X Zhao, RJ Murphy, Stephen Gallagher, M O'Leary, V Paumard

Coral Reefs and Sea-Level Change: Quaternary Records and Modelling | International Association of Sedimentologists | Published : 2022

Abstract

Understanding of global sea-level changes and coral reef development is poorly constrained during Marine Isotope Stage 3 (MIS 3; ~ 60 to 30 ka). Australia’s North West Shelf (NWS), at depths of ~ 50 to 120 m below present sea-level (mbsl), represents an ideal natural laboratory to address these knowledge gaps. In this study, the authors investigate a unique suite of sea-bed rock drill (PROD) cores recovered as part of a geotechnical survey from the NWS ~ 150 km south-east of Ashmore Reef. Twenty cores, penetrating to 28 m below sea floor, were collected from the top of the now drowned platform complex in similar water depths (74.8 to 81.6 mbsl), forming two transects ~ 17 km apart. High-reso..

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