Arid
DOI10.1016/j.quaint.2011.07.008
Holocene millennial-scale vegetation changes in the Yugu floodplain, Kongju area, central South Korea
Lim, Jaesoo; Yi, Sangheon; Nahm, Wook-Hyun; Kim, Ju-Yong
通讯作者Lim, Jaesoo
来源期刊QUATERNARY INTERNATIONAL
ISSN1040-6182
出版年2012
卷号254页码:92-98
英文摘要

To understand vegetation responses to past climate change on millennial timescales, the Holocene record of floodplain vegetation change in central South Korea was reconstructed using the stable isotopic composition (delta C-13) and pollen in buried soils. Low-volume overbank deposition of fine-grained alluvium by Yugu stream over the past 10,000 years has produced a sequence that is well suited for delta C-13 analysis of soil organic matter. The delta C-13 values varied between -25 parts per thousand and -20 parts per thousand during the Holocene, showing significant millennial-scale fluctuations in five stages (11,000-8900 cal BP, 8900-6100 cal BP, 6100-3300 cal BP, 3300-1200 cal BP, and 1200 cal BP to present). The abundance of C-4 plants, estimated from a binary mixing model, changed from approximately 17-57%. During the stages from 3300 to 1200 cal BP and from 8900 to 6100 cal BP, C-4 plant abundance and the percentage of arboreal pollen were high, but the percentage of spores (mainly moss) and the freshwater algal sum were low, indicating more arid environments. Temporal comparison of C-4 plant abundance change during the Holocene with other reconstructed climate data from East Asia suggests that millennial-scale vegetation change (or aridity change) in central South Korea was generally more synchronous with regional climate change during the late Holocene than during the early to mid-Holocene. This study suggests that the past vegetation in the Yugu area has evolved in response to summer monsoon intensity in a non-linear manner. (c) 2011 Elsevier Ltd and INQUA. All rights reserved.


类型Article
语种英语
国家South Korea
收录类别SCI-E
WOS记录号WOS:000301892000013
WOS关键词CHINESE LOESS PLATEAU ; EAST-ASIAN MONSOON ; CARBON-ISOTOPE ; SUMMER MONSOON ; PLANT ABUNDANCE ; HIGH-RESOLUTION ; CENTRAL REGION ; CLIMATE ; VARIABILITY ; HISTORY
WOS类目Geography, Physical ; Geosciences, Multidisciplinary
WOS研究方向Physical Geography ; Geology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/174680
作者单位Korea Inst Geosci & Mineral Resources, Geol Environm Div, Surficial Environm & Global Change Dept, Taejon 305350, South Korea
推荐引用方式
GB/T 7714
Lim, Jaesoo,Yi, Sangheon,Nahm, Wook-Hyun,et al. Holocene millennial-scale vegetation changes in the Yugu floodplain, Kongju area, central South Korea[J],2012,254:92-98.
APA Lim, Jaesoo,Yi, Sangheon,Nahm, Wook-Hyun,&Kim, Ju-Yong.(2012).Holocene millennial-scale vegetation changes in the Yugu floodplain, Kongju area, central South Korea.QUATERNARY INTERNATIONAL,254,92-98.
MLA Lim, Jaesoo,et al."Holocene millennial-scale vegetation changes in the Yugu floodplain, Kongju area, central South Korea".QUATERNARY INTERNATIONAL 254(2012):92-98.
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