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Moisture conditions during the Younger Dryas and 4.2 ka event as revealed from a subalpine peat record in the Luoxiao Mountains, southern China
Corresponding AuthorYao Shuchun()
Yao Shuchun1; Li Chunhai1; Chen Yangsheng2; Li Yongfei3; Tang Lingyu4; Shen Ji1; Xue Bin1
2022-10-01
Source PublicationREVIEW OF PALAEOBOTANY AND PALYNOLOGY
ISSN0034-6667
Volume305Pages:44
AbstractA 150 cm long peat core was collected from a subalpine peatland (above sea level 1790 m) in Luoxiao Mountains,Hunan Province, China. Based on the analysis of AMS 14C dating, loss on ignition, total carbon, total nitrogen, grain size, humification, and pollen data, the environment change was reconstructed focusing on the intervals of the Younger Dryas (YD) event, the 4.2 ka event, and modern time. The pollen record indicates that deciduous broad-leaved trees occupied most parts of the study region and subtropical trees also grew at the lower elevation areas during the deglaciation. The percentages of Quercus (D) reached the highest during the YD, suggesting lowered temperatures than that of the pre-YD. Comparing with modern pollen assemblages, the relative abundance of Tsuga was lower during the 4.2 ka event, suggesting that the temperature were lower than that of the present. Regional comparisons of multiple proxy data in eastern China revealed that the climate was wet in northern China during the YD, which was probably related to the weakening evaporation effect and the strengthening Okhotsk High under low-temperature conditions. During the YD, the climate in the area dominated by the Indian monsoon was relatively dry in the southern part of eastern China. Meanwhile, in the East Asian monsoon-affected region, the climate was relatively wet during the YD in the southern part of eastern China, which was related to the weakening of the East Asian monsoon, El Ni??o conditions, and the West Pacific Subtropical High.
KeywordLuoxiao Mountains peat Younger Dryas precipitation humidity
DOI10.1016/j.revpalbo.2022.104747
Indexed BySCI
Language英语
WOS KeywordASIAN SUMMER MONSOON ; SOUTHWESTERN SICHUAN PROVINCE ; CLIMATE CHANGES ; MODERN POLLEN ; LAST DEGLACIATION ; TIBETAN PLATEAU ; LAKE-SEDIMENTS ; EAST CHINA ; VEGETATION ; DAJIUHU
Funding ProjectNational Natural Science Foundation of China[42067061] ; National Natural Science Foundation of China[41772183]
WOS Research AreaPlant Sciences ; Paleontology
WOS SubjectPlant Sciences ; Paleontology
WOS IDWOS:000842591400003
Funding OrganizationNational Natural Science Foundation of China
PublisherELSEVIER
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/41199
Collection中国科学院南京地质古生物研究所
Corresponding AuthorYao Shuchun
Affiliation1.Chinese Acad Sci, Nanjing Inst Geog & Limnol, State Key Lab Lake Sci & Environm, Nanjing 210008, Peoples R China
2.Adm Bur Taoyuandong Natl Nat Reserve, Yanling, Hunan, Peoples R China
3.Jishou Univ, Coll Tourism & Management Project, Human Prov Key Lab Ecol Tourism, Zhangjiajie 427000, Peoples R China
4.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, Nanjing 210008, Peoples R China
Recommended Citation
GB/T 7714
Yao Shuchun,Li Chunhai,Chen Yangsheng,et al. Moisture conditions during the Younger Dryas and 4.2 ka event as revealed from a subalpine peat record in the Luoxiao Mountains, southern China[J]. REVIEW OF PALAEOBOTANY AND PALYNOLOGY,2022,305:44.
APA Yao Shuchun.,Li Chunhai.,Chen Yangsheng.,Li Yongfei.,Tang Lingyu.,...&Xue Bin.(2022).Moisture conditions during the Younger Dryas and 4.2 ka event as revealed from a subalpine peat record in the Luoxiao Mountains, southern China.REVIEW OF PALAEOBOTANY AND PALYNOLOGY,305,44.
MLA Yao Shuchun,et al."Moisture conditions during the Younger Dryas and 4.2 ka event as revealed from a subalpine peat record in the Luoxiao Mountains, southern China".REVIEW OF PALAEOBOTANY AND PALYNOLOGY 305(2022):44.
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