Reconstruction of the 30–40 ka bp enhanced Indian monsoon climate based on geological records from the Tibetan Plateau

Yafeng, Shi; Yu, Ge; Liu, Xiaodong; Li, Bingyuan; Yao, Tandong

doi:10.1016/s0031-0182(01)00216-4

Cited by 224 publications

(133 citation statements)

References 13 publications

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“…According to the radiocarbon chronology of lacustrine terraces, the late interstadial of the last glacial period (40-20 ka BP, corresponding to the late marine isotope stage 3 (MIS 3a)) is when expanding lakes developed on the Tibetan Plateau, the so-called "great lake period" [3][4][5]. Most of these lakes are freshwater lakes [6], such as Lake Kushuihai, Tianshuihai, and Aksai Chin, which are located south of the western Kunlun Mountains.…”

Section: Alpine Lakes In the Frigid Tibetan Plateaumentioning

confidence: 99%

Spatiotemporal variations of Chinese lakes and their driving mechanisms since the Last Glacial Maximum: A review and synthesis of lacustrine sediment archives

Shen

2012

Chin. Sci. Bull.

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In this article, the author provides the first synthesis and classification of available environment-indicating proxies for lacustrine sediment. A review of spatio-temporal variations in lakes from the Tibetan Plateau, the dry areas of Northwestern China, the Yunnan-Guizhou Plateau and the plains of Eastern China since the LGM is then provided. The driving mechanism for variations in lake processes and characteristics is also discussed based on various temporal scales. The author then proposes that future investigations be conducted to: (1) strengthen the study of theoretics and interpretation of environment-indicating proxies, (2) enhance the study of high-resolution time series and spatial variability of lake environment evolution, (3) provide more attention on the influence of human activities on lake environments, and (4) boost construction of the Quaternary lake database of China. Lakes are normally formed under various geological and geographical backgrounds. As a component of the terrestrial hydrosphere, lakes have close relationships with the atmosphere, biosphere and lithosphere, and serve as the connection between these systems. Once a lake is formed, it is influenced by a series of tectonic, climatic and anthropogenic factors. As a result, lacustrine evolutional processes usually involve geological, physical, chemical and biological processes and the interactions between them, and these processes are all documented by lacustrine sediment archives. Because lakes are widely distributed worldwide and normally undergo a long history of evolution, lacustrine sediment generally possesses a continuous record with highresolutions that provides abundant information regarding regional environmental and climatic variations that can be used in global change studies. Lacustrine sediment also contains information pertaining to human activities, since people tend to settle around lakes owing to the resources they provide. Synthesis and classification of proxies in lacustrine sediment describing environmental conditionsLakes generally have an independent watershed that serves as a source of water, sediment, biomass and chemicals, while the lake serves as a sink for all of these materials. Accordingly, lacustrine sediment can record all information regarding the source-sink interactions and mass balances including water balances (watershed rainfall and lake level stands), sediment balances (watershed erosion intensity and lake sedimentation rate), biological balances (watershed vegetation and lake biomass) and chemical balances (watershed soluble materials and lake water ion concentrations) [1].

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Section: Alpine Lakes In the Frigid Tibetan Plateaumentioning

confidence: 99%

Spatiotemporal variations of Chinese lakes and their driving mechanisms since the Last Glacial Maximum: A review and synthesis of lacustrine sediment archives

Shen

2012

Chin. Sci. Bull.

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“…Van Andel and other researchers proposed that the unstable climate played an important role in the extinction of the Neanderthals and the rise of modern humans in Europe (Van Andel and Tzedakis, 1996;Bocquet-Appel and Demars, 2000;Coope, 2002;Van Andel, 2002;Stewart, 2005). In China, Shi and other researchers suggested the existence of an exceedingly strong summer monsoon climate over the Tibetan Plateau during the period from 30 000 to 40 000 yr BP, which was associated with an enhanced Indian monsoon and the 20 000 yr orbital precessional cycle of the Earth (Li, 2000;Shi et al, 2001;Zhang et al, 2002). Yang and other researchers further proposed that this period had a warm-humid climate caused by intensified westerly circulation in arid northwestern China based on evidence of former shorelines and on sedimentary records from several lake basins in this region (Yang et al, 2004).…”

Section: Introductionmentioning

confidence: 99%

Climate variability in the Salawusu River valley of the Ordos Plateau (Inner Mongolia, China) during Marine Isotope Stage 3

Wen

Zheng

et al. 2008

J Quaternary Science

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Fluctuations in climatic proxies of the Milanggouwan section in the Salawusu River valley of the Ordos Plateau (Inner Mongolia, China) during Marine Isotope stage 3 (MIS 3) coincide well with sedimentary cycles for palaeo-mobile dune sands alternating with fluvial-lacustrine facies and palaeosols. We compared the palaeo-mobile dune sands with modern mobile dune sands (products of a cold and dry climate dominated by the East Asian winter monsoon), whereas the fluvial-lacustrine facies and palaeosols were controlled by a wet-warm climate similar to that of the East Asian summer monsoon. The MIS 3 climate of the Salawusu River valley appears to have experienced at least nine wet-warm and ten cold-dry fluctuations, divided into five stages: MIS 3e (58 900-49500 yr BP), MIS 3d (49 500-40 700 yr BP), MIS 3c (40 700-36 900 yr BP), MIS 3b (36 900-27 000 yr BP) and MIS 3a (27 000-22 300 yr BP). The 19 cold-warm climatic fluctuations corresponded roughly to the GRIP and Guliyan records, and with fluctuations in the North Atlantic climate. Notable peaks in the spectral analysis occurred at 19 500 yr, 1020 yr, 640 yr and 500 yr. Our results show that the millennial-centennial climate was closely related to the relative strengths of East Asian monsoons, which are controlled by the North Atlantic thermohaline circulation, and which is also closely linked to the Sun's precession period.

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“…Many studies have reported high lake levels in different regions of China during the Late Quaternary; for example, the Hexi Corridor and Alxa Plateau [1][2][3][4][5][6][7], Xinjiang [8,9], and the Qinghai-Tibet Plateau [10][11][12][13][14][15][16][17][18][19]. These studies prove that lake levels were at their highest in northwest China during the late Pleistocene.…”

mentioning

confidence: 82%

“…On the lake erosion terrace, with an elevation of about 930 m, the bivalves were dated at 27.303±0.218 ka BP. The second shoreline (JB2), with an elevation of 929 m, is 48 m in width, and can be divided into three parts: JB 21 , JB 22 and JB 23 . JB2 was not dated due to a lack of datable matter.…”

Section: Juyan Lakementioning

confidence: 99%

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High lake levels on Alxa Plateau during the Late Quaternary

Wang

Cheng

et al. 2011

Chin. Sci. Bull.

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Field investigations including lake shoreline measurement and 14 C chronology have been carried out on the Alxa Plateau to better understand the formation and evolution of the high lake levels in northwest China during the late Pleistocene. Comprehensive field investigations show that there are at least ten shorelines at different elevations at Juyan Lake, at least four on the northwest side of the Jilantai Salt Lake, and nine shorelines and one terrace on the northeast margin of Zhuye Lake. Stratigraphic correlations and chronological evidence indicate that the paleo-lakes have the highest lake levels in Marine Isotope Stage (MIS) 3. Though the optically stimulated luminescence (OSL) results which have been reported by some scholars do not support this view, the fact that the paleo-lakes have the highest lake levels in MIS 3 can not be denied. Differences between OSL and 14 C results from this work might indicate that high lake levels existed on the Alxa Plateau during two different periods. It also suggests that the high lake levels may exist in both MIS 5 and early MIS 3. This paper also provides the basic hydrological information for further water resources research in this arid region. Alxa Plateau, desert, MIS 3, MIS 5, high lake levels, late Quaternary Citation:Wang N A, Li Z L, Cheng H Y, et al. High lake levels on Alxa Plateau during the Late Quaternary.

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Reconstruction of the 30–40 ka bp enhanced Indian monsoon climate based on geological records from the Tibetan Plateau

Cited by 224 publications

References 13 publications

Spatiotemporal variations of Chinese lakes and their driving mechanisms since the Last Glacial Maximum: A review and synthesis of lacustrine sediment archives

Spatiotemporal variations of Chinese lakes and their driving mechanisms since the Last Glacial Maximum: A review and synthesis of lacustrine sediment archives

Climate variability in the Salawusu River valley of the Ordos Plateau (Inner Mongolia, China) during Marine Isotope Stage 3

High lake levels on Alxa Plateau during the Late Quaternary

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