The sedimentation rates in the Okinawa Trough during the Late Quaternary

Yingqian Xiong*, Zhenxia Liu, Tiegang Li, Yanguang Liu, Hua Yu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

On the basis of accelerator mass spectrometer radiocarbon (AMS 14C) dating, sedimentation rates of 11 cores collected from the northern to southern Okinawa Trough are discussed. The sedimentation rates in the Okinawa Trough roughly range from 11 to 39 cm/ka, and the average is 23.0 cm/ka. China's continental matter is the main sediment source of the middle Okinawa Trough and has important contribution to the northern and southern Okinawa Trough. The sedimentation rates during the marine oxygen isotope (MIS) 2 are uniformly higher than those during MIS 1 in the northern and middle Okinawa Trough while they are on the contrary in the southern Okinawa Trough. Sedimentation rates in the Okinawa Trough can be one of the proxies of sediment source and an indicator of cooling events.

Original languageEnglish (US)
Pages (from-to)146-154
Number of pages9
JournalActa Oceanologica Sinica
Volume24
Issue number4
StatePublished - Oct 11 2005
Externally publishedYes

Keywords

  • Cooling events
  • Late Quaternary
  • Okinawa Trough
  • Sediment source
  • Sedimentation rates

ASJC Scopus subject areas

  • Oceanography
  • Aquatic Science

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