DOI: 10.1016/j.palaeo.2015.10.042
论文题名: Reconstruction of Holocene relative sea-level change and residual uplift in the Lake Inba area, Japan
作者: Chiba T. ; Sugihara S. ; Matsushima Y. ; Arai Y. ; Endo K.
刊名: Palaeogeography, Palaeoclimatology, Palaeoecology
ISSN: 0031-0182
出版年: 2016
卷: 441 起始页码: 982
结束页码: 996
语种: 英语
英文关键词: Diatom
; Holocene
; Marine terrace
; Residual uplift
; Sea-level change
; Yayoi regression
英文摘要: We collected and analyzed fossil diatoms and volcanic ash and determined 14C ages in core samples from the lowlands around Lake Inba in the eastern Kanto Plain, central Japan, an area where late Quaternary sea-level change, fluvial erosion, and tectonic uplift have affected a region of archeological interest. We inferred Holocene paleoenvironmental changes and relative sea levels on the basis of indicators, such as high tide levels, derived from fossil diatom assemblages as well as the stratigraphic positions of 14C-dated samples and the K-Ah tephra. Our results lead to estimates of the upper half tidal range during 6800-7000cal yr BP of 1.7m. The Holocene highstand took place at approximately 6400-6500cal yr BP, and mean sea level reached an elevation of 1.9m. However, the timing of this sea-level rise is earlier in the Lake Inba area than documented in previous studies, and it is suggested that the timing of the Holocene highstand may appear at least 1000years earlier as a result of Holocene residual uplift. After this, sea-level fell abruptly around 4000cal yr BP. We also recognized a sea-level fall corresponding to the Yayoi regression at about 2600cal yr BP, during which the mean relative sea level may have been as low as -2.5m after compensating for uplift, subsidence or geomorphologic effects in this area. © 2015 Elsevier B.V. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/68673
Appears in Collections: 过去全球变化的重建
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作者单位: Faculty of Life and Environmental Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, Japan; Meiji University, 1-1 Kanda-Surugadai, Chiyoda-ku, Tokyo, Japan; Kanagawa Prefectural Museum of Natural History, 499 Iryuda, Odawara, Kanagawa, Japan; Meiji consultant co., ltd, 3-6-4 Rinkai-tyo, Edogawa-ku, Tokyo, Japan; Nihon University, 3-25-40 Sakurajosui, Setagaya-Ku, Tokyo, Japan
Recommended Citation:
Chiba T.,Sugihara S.,Matsushima Y.,et al. Reconstruction of Holocene relative sea-level change and residual uplift in the Lake Inba area, Japan[J]. Palaeogeography, Palaeoclimatology, Palaeoecology,2016-01-01,441