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Palaeoenvironmental implications of a Holocene sequence of lacustrine-peat sediments from the desert-loess transitional zone in Northern China
Jia, Feifei1; Lu, Ruijie2,3,4; Liu, Xiaokang2,3,4,5; Zhao, Chao6; Lv, Zhiqiang2,3,4; Gao, Shangyu2,3,4
2018-05-01
Source PublicationJOURNAL OF ASIAN EARTH SCIENCES
ISSN1367-9120
Volume156Pages:167-173
Corresponding AuthorLu, Ruijie(ruijielu@bnu.edu.cn)
AbstractA high-resolution lacustrine-peat record from the desert-loess transitional zone in Northern China was obtained to reconstruct Holocene environmental change in the region. AMS C-14 dates are used to provide a chronology. The results indicate that the site was a desert environment before 12.2 cal kyr BP, and was then occupied by a paleolake which started to shrink, with a wetland occurring from 6.2 to 3.0 cal kyr BP. Subsequently, the site became a seasonally water-filled depression. Based on the lithology and measurements of grain size and total organic carbon content, the climate changed from arid to humid at 12.2 cal kyr BP, and became more humid after 8.3 cal kyr BP. From 6.2 to 3.0 cal kyr BP, precipitation decreased but the climate remained at an optimum. After 3.0 cal kyr BP, the climate was dry overall but with several humid intervals. A comparison of paleoclimatic records from lacustrine and aeolian deposits from the region reveals a discrepancy about the nature of the early Holocene climate, and we conclude that this is because lacustrine sediments responded more sensitively to precipitation than aeolian deposits when the temperature was low. The environmental evolution of the region was synchronous with changes in the Asian summer monsoon (ASM), but temperature also played a key role in the early Holocene.
KeywordDesert-loess transitional zone Holocene Lacustrine sediments Environmental evolution
DOI10.1016/j.jseaes.2018.01.030
WOS KeywordMU US DESERT ; MULTI-PROXY ANALYSES ; ASIAN MONSOON ; ENVIRONMENTAL-CHANGES ; MONGOLIAN PLATEAU ; CLIMATIC CHANGES ; NORTHWEST CHINA ; TIBETAN PLATEAU ; INNER-MONGOLIA ; POLLEN RECORD
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41330748] ; National Natural Science Foundation of China[41571184] ; National Natural Science Foundation of China[41071128] ; National Natural Science Foundation of China[41601190]
Funding OrganizationNational Natural Science Foundation of China
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000428829700012
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/57295
Collection中国科学院地理科学与资源研究所
Corresponding AuthorLu, Ruijie
Affiliation1.Liaoning Normal Univ, Sch Urban & Environm Sci, Dalian 116029, Peoples R China
2.Beijing Normal Univ, State Key Lab Earth Surface Proc & Resource Ecol, Beijing 100875, Peoples R China
3.Beijing Normal Univ, MOE Engn Ctr Desertificat & Blownsand Control, Beijing 100875, Peoples R China
4.Beijing Normal Univ, Fac Geog Sci, Beijing 100875, Peoples R China
5.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, State Key Lab Resources & Environm Informat Syst, Beijing 100101, Peoples R China
6.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Jia, Feifei,Lu, Ruijie,Liu, Xiaokang,et al. Palaeoenvironmental implications of a Holocene sequence of lacustrine-peat sediments from the desert-loess transitional zone in Northern China[J]. JOURNAL OF ASIAN EARTH SCIENCES,2018,156:167-173.
APA Jia, Feifei,Lu, Ruijie,Liu, Xiaokang,Zhao, Chao,Lv, Zhiqiang,&Gao, Shangyu.(2018).Palaeoenvironmental implications of a Holocene sequence of lacustrine-peat sediments from the desert-loess transitional zone in Northern China.JOURNAL OF ASIAN EARTH SCIENCES,156,167-173.
MLA Jia, Feifei,et al."Palaeoenvironmental implications of a Holocene sequence of lacustrine-peat sediments from the desert-loess transitional zone in Northern China".JOURNAL OF ASIAN EARTH SCIENCES 156(2018):167-173.
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