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Artemisia/Chenopodiaceae ratio from surface lake sediments on the central and western Tibetan Plateau and its application
Ma, QF (Ma, Qingfeng)1; Zhu, LP (Zhu, Liping)1,2,3; Wang, JB (Wang, Junbo)1,2; Ju, JT (Ju, Jianting)1; Lu, XM (Lu, Xinmiao)1,2; Wang, Y (Wang, Yong)1; Guo, Y (Guo, Yun)1; Yang, RM (Yang, Ruimin)1,3; Kasper, T (Kasper, Thomas)4; Haberzettl, T (Haberzettl, Torsten)4; Tang, LY (Tang, Lingyu)5; Ma, QF
Source PublicationPALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
2017
Volume479Issue:0Pages:138-145
DOI10.1016/j.palaeo.2017.05.002
AbstractArtemisia and Chenopcidiaceae are the two main pollen taxa in studies of lake sediments on the central and western Tibetan Plateau (TP). In this paper, we present Artemisia/Chenopodiaceae (A/C) ratios in pollen assemblages of surface sediments from 42 lakes on the central and western TP. Relationships between vegetation, climate and A/C ratio are investigated. The results show that the A/C ratio in the study region can distinguish desert from steppe vegetation. As a whole, the A/C ratio was higher than 1.2 in the steppe vegetation and lower than 1.2 in the desert vegetation zone. Statistical analysis revealed that the A/C ratio can be used as a moisture indicator on the TP. Based on the A/C ratio in pollen assemblages of sediment core TAN12-2 from Lake Tangra Yumco, we reconstructed the vegetation and climate history of the southern TP during the transitional period from the late glacial to the Holocene (17.5-10 cal kyr BP). From 17.5 to 16 cal kyr BP, desert vegetation occurred and climate was extremely dry. During 16-15 cal kyr BP, desert was replaced by steppe vegetation and climate became wetter. From 15 to 10 cal kyr BP, the lake basin of Tangra Yumco was covered by the steppe vegetation and climate tended to be more humid. Comparing our results with other lacustrine records on the TP, we found that the Indian summer monsoon (ISM) significantly affected the southern TP earlier than the northeastern TP. (C) 2017 Elsevier B.V. All rights reserved.
Subject Area自然地理学
WOS IDWOS:000402945200011
Language英语
Indexed BySCI
KeywordModern Pollen Assemblages Tangra Yumco Holocene Vegetation Northwestern China Southern Tibet Level Changes Qaidam Basin Central-asia Climate Record
WOS Research AreaPhysical Geography; Geology; Paleontology
WOS SubjectGeography, Physical; Geosciences, Multidisciplinary; Paleontology ; Physical Geography; Geology; Paleontology
Cooperation Status国际
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/8022
Collection图书馆
Corresponding AuthorMa, QF
Affiliation1.Chinese Acad Sci, Inst Tibetan Plateau Res ITP, Key Lab Tibetan Environm Changes & Land Surface P, Beijing 100101, Peoples R China.
2.CAS Ctr Excellence Tibetan Plateau Earth Syst, Beijing 100101, Peoples R China.
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China.
4.Friedrich Schiller Univ Jena, Inst Geog, D-07743 Jena, Germany.
5.Chinese Acad Sci, Nanjing Inst Geol & Paleontol, Nanjing 210008, Jiangsu, Peoples R China.
Recommended Citation
GB/T 7714
Ma, QF ,Zhu, LP ,Wang, JB ,et al. Artemisia/Chenopodiaceae ratio from surface lake sediments on the central and western Tibetan Plateau and its application[J]. PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,2017,479(0):138-145.
APA Ma, QF .,Zhu, LP .,Wang, JB .,Ju, JT .,Lu, XM .,...&Ma, QF.(2017).Artemisia/Chenopodiaceae ratio from surface lake sediments on the central and western Tibetan Plateau and its application.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,479(0),138-145.
MLA Ma, QF ,et al."Artemisia/Chenopodiaceae ratio from surface lake sediments on the central and western Tibetan Plateau and its application".PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 479.0(2017):138-145.
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