Stable isotopic variations in modern herbivore tooth enamel, plants and water on the Tibetan Plateau: Implications for paleoclimate and paleoelevation reconstructions

Wang, Yang; Kromhout, Elizabeth; Zhang, Chunfu; Xu, Yingfeng; Parker, William C.; Deng, Tao; Qiu, Zhifang

doi:10.1016/j.palaeo.2007.11.012

Cited by 79 publications

(62 citation statements)

References 83 publications

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“…Similar averages and ranges extend (4‰ to 5‰) in different species, indicating that δ 13 C (PDB) is dominantly related to diet [33]. It is necessary to point out that, although C 4 plants were discovered in the high plateau, the small δ 13 C variation within individual teeth suggests that the herbivores did not consume the C 4 plants [42]. From south to north across the plateau, δ 13 C (PDB) values of these three species show a systematic increase to the north, smaller 1.1‰ in the south (−11.3‰ ± 1.1‰) than that in the north (−10.2‰ ± 1.4‰), suggesting a more arid and weak monsoon influence in the north.…”

Section: Oxygen Isotope Of Modern River Watermentioning

confidence: 77%

“…The relationship between river water δ 18 O (SMOW) and tooth enamel δ 18 O (PDB) drifts away from the 1 : 1 linearity except for that in the south slope of Himalaya, such as in the south of Gyirong Basin [42] (Figure 4). Therefore, plant-sourced combination water should be eliminated before using the oxygen isotope of the tooth enamel to predict local precipitation oxygen isotopes.…”

Section: Elevation Response Of the Tooth Enamel Oxygen Isotopesmentioning

confidence: 99%

“…Previous studies show that δ 18 O(PDB) of tooth enamel isdirectly correlated to precipitation and temperature [42,43]. For the warm-blooded (37°C) herbivores, tooth enamel oxygen isotopes are directly related to the body water.…”

Section: Regional Variation Of Tooth Enamel Oxygen Isotopesmentioning

confidence: 99%

“…In comparison, north Tibet is more arid, characterized by rare continental air mass precipitation [47−51]. In northern Tibet river water is enriched with heavy δ 18 [42]. Data of interval of water-dependent and drought-tolerant herbivores and regression relationship of vertebrates (dot line) from Kohn and Cerling [43].…”

Section: Regional Variation Of Tooth Enamel Oxygen Isotopesmentioning

confidence: 99%

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Stable isotopes of modern herbivore tooth enamel in the Tibetan Plateau: Implications for paleoelevation reconstructions

Ding

Zhang

et al. 2009

Chin. Sci. Bull.

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Fossil tooth enamel from herbivores is considered one of the best proxies for paleoclimate and paleoelevation reconstructions, due to its low susceptibility to diagenetic alteration. A synthesis of oxygen and carbon isotope analyses of modern tooth enamel from herbivores such as Tibetan yaks, asses and antelopes is assessed. The average δ  13 C(PDB) value of herbivore tooth enamel in the Lhasa and south Qiangtang terrains is −11.3‰ ± 1.1‰, whereas in the north Qiangtang and Hoh Xil terrains value is −10.2‰ ± 1.4‰ consistent with the current C3-dominant ecotype in the Tibetan Plateau. In addition, the average δ  18 O(PDB) values from tooth enamel show a northward systematic increase from −11.8‰ ± 3.4‰ in the Gyirong Basin, to −11.1‰ ± 1.1‰ in the Lhasa and southern Qiangtang terrains, and then to −9.0‰ ± 1.1‰ in the northern Qiangtang and the Hoh Xil areas, similar to those of the local river water and precipitation variation trends. It is suggested that δ  18 O(PDB) values of tooth enamel should not be used directly to evaluate the paleo-elevation of the Tibetan Plateau, because oxygen isotopic composition from tooth enamel is a combination of drinking water (precipitation-and river-sourced) and diet (plant-sourced). Moreover, an empirical relationship between oxygen isotope of tooth enamel and modern river water, and as well as elevation is recommended, which can be used in future studies of Tibetan Plateau paleoelevation. herbivore, tooth enamel, stable isotopes (δ  13 C and δ  18 O), paleoelevation, Tibetan Plateau Citation:Xu Q, Ding L, Zhang L Y, et al. Stable isotopes of modern herbivore tooth enamel in the Tibetan Plateau: Implications for paleoelevation reconstructions.

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Section: Oxygen Isotope Of Modern River Watermentioning

confidence: 77%

Section: Elevation Response Of the Tooth Enamel Oxygen Isotopesmentioning

confidence: 99%

Section: Regional Variation Of Tooth Enamel Oxygen Isotopesmentioning

confidence: 99%

Section: Regional Variation Of Tooth Enamel Oxygen Isotopesmentioning

confidence: 99%

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Stable isotopes of modern herbivore tooth enamel in the Tibetan Plateau: Implications for paleoelevation reconstructions

Ding

Zhang

et al. 2009

Chin. Sci. Bull.

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“…1 and 2). The Tianshan is a 2500-km-long tectonically active mountain range that dominates Central Asia with an average altitude of 2500 m and summits reaching up to 7000 m. While its geology consists of mainly island arc rocks linked to a long-lived Paleozoic history of subduction/collision (Burtman, 1975;Charvet et al, 2007;Gao et al, 1998;Lin et al, 2008;Wang et al, 2008;Windley et al, 1990), the present high topography attests to a more recent and intense deformation. This later owes its origin to the Cenozoic reactivation of the range during the Oligocene to early Miocene (>16 Ma) (Avouac et al, 1993;Bullen et al, 2003;Bullen et al, 2001;Charreau et al, 2009a;Charreau et al, 2005;Charreau et al, 2006;Dumitru et al, 2001;Sobel et al, 2006;Sobel and Dumitru, 1997;Windley et al, 1990;Yin et al, 1998), under the influence of the ongoing India-Asia collision.…”

Section: -Geological Settings and Samplingmentioning

confidence: 99%

Paleo-erosion rates in Central Asia since 9Ma: A transient increase at the onset of Quaternary glaciations?

Charreau

Blard

Puchol

et al. 2011

Earth and Planetary Science Letters

101

141

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Precipitation variability and response to changing climatic condition in the Yarlung Tsangpo River basin, China

et al. 2016

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Hydroclimatic process in the Yarlung Tsangpo River (YTR) basin, a sensitive area to climate change, is obviously changing during recent years, but there has limited understanding about it. In this study, we investigated the spatiotemporal variation of precipitation over last four decades in the basin and the impact thereon of the changing Indian summer monsoon at interannual and decadal time scales. All the precipitation series have similar scaling behavior, reflecting similar climatic regime throughout the basin. However, the effect of the Indian monsoon strengthens from the downstream to upstream, causing spatial variability in the seasonal distribution of precipitation, and on this basis, the YTR basin is roughly divided into three regions: east, middle, and west. Both the occurrence times and magnitude of precipitation extremes, ranging 25–50 mm/d, are exhibiting downward trends over the last four decades, which bodes well for water disaster controls in the basin. The Indian summer monsoon index, as an intensity indicator for the Indian summer monsoon, shows a positive relationship with the summer precipitation in the YTR basin. Periodic variability of the Indian monsoon determines the interannual nonstationary fluctuations of precipitation. Especially, the weakening effect of the Indian summer monsoon has caused an obvious decrease in precipitation over the rainy season after 1998. If the Indian summer monsoon keeps weakening, the precipitation would decrease and potentially water shortage would become more severe in the basin. Effective adaptation strategy should therefore be developed proactively to handle the unfavorable water situation, which is likely to occur in the future.

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Stable isotopic variations in modern herbivore tooth enamel, plants and water on the Tibetan Plateau: Implications for paleoclimate and paleoelevation reconstructions

Cited by 79 publications

References 83 publications

Stable isotopes of modern herbivore tooth enamel in the Tibetan Plateau: Implications for paleoelevation reconstructions

Stable isotopes of modern herbivore tooth enamel in the Tibetan Plateau: Implications for paleoelevation reconstructions

Paleo-erosion rates in Central Asia since 9Ma: A transient increase at the onset of Quaternary glaciations?

Precipitation variability and response to changing climatic condition in the Yarlung Tsangpo River basin, China

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