Revisiting late Holocene sea-level change from the Gilbert Islands, Kiribati, west-central Pacific Ocean

Hiroya Yamano, Hajime Kayanne, Toru Yamaguchi, Tomomi Inoue, Yukira Mochida, Shigeyuki Baba

Research output: Contribution to journalArticle

Abstract

New coral microatoll data allow presenting an updated late Holocene sea-level curve for the Gilbert Islands of Kiribati. Examination of build-up elevation and spatial distribution of microatolls, along with radiocarbon age data from coral samples, suggest an approximately 1 m sea-level high stand, possibly lasting from ~3500 to 1900 cal yr BP. Our sea-level curve, which is similar to the one reported from the Marshall Islands, is a baseline to reconstruct the evolution of reef flats and reef islands. In addition, it provides important contextual data to infer human settlement on islands in the west-central Pacific.

Original languageEnglish
Pages (from-to)400-408
Number of pages9
JournalQuaternary Research (United States)
Volume88
Issue number3
DOIs
Publication statusPublished - 2017 Nov 1

Keywords

  • Coral reef
  • Kiribati
  • Late Holocene
  • Reef island
  • Sea level
  • West-central Pacific

ASJC Scopus subject areas

  • Arts and Humanities (miscellaneous)
  • Earth-Surface Processes
  • Earth and Planetary Sciences(all)

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