Climate of the late Pleistocene and early Holocene in coastal South China inferred from submerged wood samples

Tree-ring variability of submerged wood specimens in coastal areas provides important clues about sea level change and climate variability of the past. We dated submerged wood samples from coastal Fujian province in China using the radiocarbon methods and investigated their tree-ring variability. Th...

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Bibliographic Details
Published in:Quaternary international 2017-08, Vol.447, p.111-117
Main Authors: Fang, Keyan, Cai, Binggui, Liu, Xiuming, Lei, Guoliang, Jiang, Xiuyang, Zhao, Yan, Li, Hongchun, Seppä, Heikki
Format: Article
Language:English
Subjects:
chronology
Climate variability
el-nino
fujian province
Geologi
Geology
millennium
oscillation
Physical Geography
records
Sea level change
sea-level
Submerged woods
Taiwan Strait
tibetan plateau
Tree ring
variability
vegetation
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Summary:Tree-ring variability of submerged wood specimens in coastal areas provides important clues about sea level change and climate variability of the past. We dated submerged wood samples from coastal Fujian province in China using the radiocarbon methods and investigated their tree-ring variability. The submerged wood samples from the Shenhu Bay that date to the early Holocene (∼8000 calibrated years B.P.) may be related to the rise of the sea level after the Last Glacial Maximum (LGM). The submerged wood samples from the Qianhu Bay site dated to the Marine Isotope Stage 3 (MIS 3) (>40,000 calibrated years B.P.). Most of the submerged wood samples are from coniferous trees with frequent branching tree rings. Frequent branching tree rings in this region are mostly found from the currently endangered coniferous species with narrow ecological amplitude at humid sites. Tree rings of the submerged sample show conspicuous interdecadal variability (∼20 years) than interannual variations, which differs from modern tree rings of nearby regions which have stronger interannual and multi-decadal variability. Our study highlights the potential to use submerged samples of coastal Southeast China for paleoclimate studies.
ISSN:1040-6182
1873-4553
DOI:10.1016/j.quaint.2017.02.033