Decadal/multi-decadal temperature discrepancies along the eastern margin of the Tibetan Plateau

Xu, Hai; Sheng, Enguo; Lan, Jianghu; Liu, Bin; Yu, Keke; Che, Shuai

doi:10.1016/j.quascirev.2014.02.011

Cited by 25 publications

(30 citation statements)

References 61 publications

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“…As shown in Fig. 3d, the synchronism of the carbonate contents of the Lugu12-1-3 core and those of the Lugu07-C core (Xu et al, 2014) strongly supports the robustness of the age model obtained in this study.…”

Section: Age Modelsupporting

confidence: 85%

“…3a, the 137 Cs curve of the Lugu12-1-3 core shows a classical atmospheric 137 Cs fallout pattern, which is similar to that of the Lugu07-B core obtained in our previous work (Xu et al, 2014). We assigned the 137 Cs peak at 5 cm as a time-marker for 1963 AD.…”

Section: Age Modelsupporting

confidence: 83%

“…1), is an ideal site for paleoclimatic and paleoenvironmental studies because of the deep water depth, large lake surface area and relatively weak human impacts. Recent studies have mainly focused on climatic and environmental changes during the Last Glacial Maximum and the last several hundred years (Guo et al, 2013;Zhang et al, 2013;Chen et al, 2014;Wang et al, 2014;Xu et al, 2014). In this paper, we report the late Holocene ISM precipitation history at Lake Lugu based on grain size and C/N ratio time series extracted from a 127-cm-long lake sediment core, with a focus on the local and regional precipitation variations over the last 2,000 years.…”

Section: Accepted Manuscriptmentioning

confidence: 99%

See 2 more Smart Citations

Late Holocene Indian summer monsoon precipitation history at Lake Lugu, northwestern Yunnan Province, southwestern China

Sheng

et al. 2015

Palaeogeography, Palaeoclimatology, Palaeoecology

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Section: Age Modelsupporting

confidence: 85%

Section: Age Modelsupporting

confidence: 83%

Section: Accepted Manuscriptmentioning

confidence: 99%

See 1 more Smart Citation

Late Holocene Indian summer monsoon precipitation history at Lake Lugu, northwestern Yunnan Province, southwestern China

Sheng

et al. 2015

Palaeogeography, Palaeoclimatology, Palaeoecology

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“…The XB is a Cenozoic faulted depression and it is controlled by the SWAM [20, 21]. Many cycles of lacustrine deposition have occurred in the XB and the total thickness of the deposits in the basin is approximately 100 m over an area of 400 km 2 .…”

Section: Study Areamentioning

confidence: 99%

Climate Change and Drought Events in the Geochemical Records of the Lacustrine Deposits in the Southeastern Tibetan Plateau

Zhang¹,

Qing-zhong

Shi³

et al. 2016

PLoS ONE

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Lacustrine deposits at the margin of the southeastern Tibetan Plateau (SETP) are sensitive indicators for the evolution of the southwest Asian monsoon (SWAM) during the Quaternary. Thus, they can provide insight into the Quaternary climatic history and their relationship with global climatic changes. The results of the geochemical analysis of the Xiaozhongdian Basin section at the SETP suggest that SiO2 had the highest content of the major elements followed by Al2O3. The order of the abundance of the major elements was generally as follows: SiO2>Al2O3>Fe2O3>CaO>MgO>K2O>TiO2>Na2O>MnO2. The geochemical proxies, such as chemical index of alteration (CIA), the index of compositional variability (ICV) and (CaO+K2O+Na2O)/Al2O3, indicate the weak chemical weathering and the aridification of the margin of the SETP during the Heinrich events. In addition, the aridification of the SETP during the Heinrich events may be closely related to the cold signals transmitted from the high latitudes of the North Atlantic to the TP, and the effect caused the cooling effect to be very strong on the TP as a result of the upper-level westerly jet stream and then reduced the suction action associated with the SWAM, thus accelerating the drying rate of Xiaozhongdian Basin, which was amplifying the degree of drought in Heinrich events.

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“…Vascular plants are rich in fiber but are low in protein, and therefore organic matter derived from them has high atomic C/N ratios (Meyers, 2003;Xu et al, 2014). In contrast, algae and plankton are relatively protein-rich, and hence exhibit low atomic C/N ratios (Meyers, 2003).…”

Section: Climatic Significance Of the Proxy Indicesmentioning

confidence: 99%

Late Holocene Indian Summer Monsoon Variations Recorded at Lake Erhai, Southwestern China

Xiao-hong

Lan

et al. 2015

Quat. res.

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a b s t r a c tIn this study we report changes in Indian summer monsoon (ISM) intensity during the past~3500 yr inferred from proxy indices at Lake Erhai, southwestern China. Both the pollen concentrations and other proxy indices, including sediment grain size, total organic carbon contents (TOC), and elemental contents (e.g., Fe, Al), clearly indicate a long term decreasing trend in ISM intensity over the late Holocene. During the period from approximately AD 750 to AD 1200, pollen concentrations of conifer and broadleaf trees, and herbs reached the lowest levels over the past~3500 yr; while the pollen percentages of both herbs and broadleaf trees increased, suggesting a significant medieval drought. The grain size, TOC, and elemental contents also support an arid climate during the medieval period. The Little Ice Age (LIA) at Lake Erhai was characterized as cold and wet. The medieval and LIA climatic patterns at Lake Erhai were similar to those over most of the ISM areas, but anti-phase with those over East Asian summer monsoon (EASM) areas. We suspect that sea surface temperature variations in the Indo-Pacific oceans and the related land-sea thermal contrasts may be responsible for such hydroclimatic differences between EASM and ISM areas.

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Decadal/multi-decadal temperature discrepancies along the eastern margin of the Tibetan Plateau

Cited by 25 publications

References 61 publications

Late Holocene Indian summer monsoon precipitation history at Lake Lugu, northwestern Yunnan Province, southwestern China

Late Holocene Indian summer monsoon precipitation history at Lake Lugu, northwestern Yunnan Province, southwestern China

Climate Change and Drought Events in the Geochemical Records of the Lacustrine Deposits in the Southeastern Tibetan Plateau

Late Holocene Indian Summer Monsoon Variations Recorded at Lake Erhai, Southwestern China

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