期刊
PROGRESS IN EARTH AND PLANETARY SCIENCE
卷 5, 期 -, 页码 -出版社
SPRINGEROPEN
DOI: 10.1186/s40645-018-0176-7
关键词
IODP Expedition 346; The Japan Sea; Hemipelagic sediment; Stratigraphy; Splice; Composite depth; Visual core description; Physical property; Dark-light cycles
资金
- IODP Exp. 346 After Cruise Research Program, JAMSTEC
Establishment of sedimentary sequence is essential for the interpretation of the sedimentary records. Integrated Ocean Drilling Program (IODP) Expedition (Exp.) 346 drilled high-quality sediment archives with more than three holes each at nine sites that enable us to establish continuous sedimentary sequences through splicing technique. After extensive efforts to replace the disturbed, missed, or duplicated intervals found in spliced sediment sequences constructed onboard during IODP Exp. 346 to the corresponding undisturbed intervals, nearly perfectly continuous sediment columns and physical property records for the Pleistocene intervals of Sites U1422-U1427 and U1430 collected from the Japan Sea have been established. Same kind of efforts to correct the shipboard splices were also achieved for Plio-Miocene intervals at Sites U1425 and U1430. The continuous records established for these sites will allow a much more detailed understanding of the long-term variability in East Asian paleoclimate and North Pacific oceanography.
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