Holocene hydroclimate in the source region of the Yellow River: A new sediment record from Lake Gyaring, NE Tibetan Plateau

Zhao, Wenwei; Chen, Chunzhu; Jiang, Qingfeng; Ji, Ming; Zhen, Jianan; Yang, Yonghui; Ning, Dongliang; Li, Xiangzhong; Shen, Ji

doi:10.1016/j.jseaes.2020.104601

Cited by 15 publications

(24 citation statements)

References 66 publications

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“…Detailed chronological information for core ZLH2015 has been presented in Zhao et al . (2021), and a a brief discussion on the dating results is presented here (Fig. 2).…”

Section: Resultsmentioning

confidence: 99%

“…A linear extrapolation of the down‐core 14 C age–depth relationship to the sediment–water interface demonstrates that the modern 14 C reservoir age is 1290 years. This reservoir age is also confirmed by the 210 Pb and 137 Cs dating results from the upper 27 cm of the core (Zhao et al ., 2021). Furthermore, given that the sedimentation rates have remained relatively stable as inferred from the age–depth model, the modern 14 C reservoir age of 1290 years has been used throughout the whole sediment core (Hou et al ., 2012).…”

Section: Resultsmentioning

confidence: 99%

“…Variation of Ti, Rb/Sr (a proxy for chemical weathering), Ca/(Al + Ti + Fe) (a proxy for authigenic carbonate deposition), TOC (total organic carbon) and its stable isotope (δ 13 C org ) (Zhao et al ., 2021) at Lake Gyaring. [Color figure can be viewed at wileyonlinelibrary.com]…”

Section: Resultsmentioning

confidence: 99%

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Holocene hydroclimate changes on the north‐eastern Tibetan Plateau inferred from geochemical records in Lake Gyaring

Ning

Jiang

et al. 2021

J Quaternary Science

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The north-eastern Tibetan Plateau (TP) is an ideal region for understanding the interaction between the Asian Summer Monsoon (ASM) and the Westerlies. Here we present a high-resolution elemental record from Lake Gyaring in the source region of the Yellow River to investigate the paleo-hydroclimate changes over the past ~10 ka. Our results show that lithogenic elements (Ti, Rb, Mn, Ti, Zn and Ni) increased while carbonate-related elements (Ca, Sr and Mg) decreased up the core sediments, indicating that the effective moisture on the north-eastern TP has steadily increased throughout the Holocene. This inference is also supported by the gradual augmentation and diminution of Rb/Sr and Ca/(Ti + Fe + Al) ratios, respectively. The persistent wetting trend on the north-eastern TP inferred from our study disagrees with the Holocene pattern of the ASM but corresponds well with that of the Westerlies. This implies that the strengthening Westerlies since the Holocene might have played a more important role than monsoon circulation in controlling the hydroclimate changes on the north-eastern TP. However, the significant increase in the mid-Holocene might be related to the combined effects of the strengthened ASM and Westerlies. Ultimately, Northern Hemisphere solar insolation and the substantial remnant of ice sheets might have controlled Holocene moisture availability on the north-eastern TP through their influence on the intensity of the Westerlies and ASM as well as Atlantic Ocean sea surface temperatures.

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“…Detailed chronological information for core ZLH2015 has been presented in Zhao et al . (2021), and a a brief discussion on the dating results is presented here (Fig. 2).…”

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

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Holocene hydroclimate changes on the north‐eastern Tibetan Plateau inferred from geochemical records in Lake Gyaring

Ning

Jiang

et al. 2021

J Quaternary Science

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“…Lake sediments have also been used to investigate the past hydroclimate changes in the northeast Tibetan Plateau (e.g., Qinghai Lake; An et al, 2012;Shen et al, 2005), as lake sediments contain multiple hydrological proxies, for example, organic contents (Meyers, 2003), carbonate contents (An et al, 2012), and stable isotopes (Leng & Marshall, 2004). Previous lake sediment studies either from (Pu et al, 2020;Zhao et al, 2021) or close to the SAYR (Aichner et al, 2010;Li et al, 2017;Saini et al, 2017) have been employed to decipher the general regional late Quaternary climate background; however, those studies still suffer from low temporal resolutions, uncertainties in chronology, and/or proxy interpretations. A clearer picture of the hydroclimatic history of the SAYR is yet to emerge.…”

Section: Plain Language Summarymentioning

confidence: 99%

Tropical Pacific Forcing of Hydroclimate in the Source Area of the Yellow River

Liu

Wong

et al. 2021

Geophysical Research Letters

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The Yellow River, the mother river of China, is one of the world's longest rivers and irrigates over 10 percent of Chinese cropland (Cai & Rosegrant, 2004). Like most major Asian rivers, the Yellow River gains its first drop of freshwater from the mountains in the Tibetan Plateau or widely known as the Asian Water Towers (Immerzeel et al., 2010). The source area of the Yellow River (SAYR) is located at the northeast margin of the Tibetan Plateau. Although the SAYR occupies only about one sixth of the basin, it contributes to over one third of the river discharge (Gou et al., 2010), and thus is a disproportionately important water reservoir for the downstream. Unlike the headwaters of most major Asian rivers, the SAYR is the least dependent on glacial melt due to the lack of mountain glaciers (Immerzeel et al., 2010). Instead, it is increasingly influenced by the permafrost degradation (Cheng & Wu, 2007;Sun et al., 2020). This feature makes it particularly important to investigate the hydroclimate of the SAYR because most areas in the Tibetan Platen will experience what the SAYR is currently experiencing, with shrinking mountain glacier (Pritchard, 2019;Yao et al., 2012) and thawing permafrost (Cheng & Wu, 2007) in a warming world. Glacier shrinking and permafrost degradation will likely reduce the albedo of the Tibetan

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“…With a rapid rise in the sea level and delta accumulation, the coastline, river type and geomorphic type all change correspondingly. Studies had shown that the Yellow River Delta, located in the transitional zone between land and sea, is controlled by land/sea interactions and is extremely sensitive to changes in the environment and climate (Wang et al 2020;Zhao et al 2020). Therefore, studying the evolution of paleoclimate and paleoenvironment in the Yellow River Delta has become an important means to study the local, regional and global climate and environmental changes in the Yellow River Delta.…”

Section: Graphical Abstract Introductionmentioning

confidence: 99%

Holocene environmental evolution history based on sporopollenin and micropaleontological reconstruction of KY-01 in the Yellow River Delta

Kui-Feng

et al. 2021

Journal of Water and Climate Change

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The Yellow River Delta adjacent to the Bohai Sea is located in the monsoon region of northern China, which is sensitive to global climate change. The core data of KY-01 borehole in the Yellow River Delta and the published records were used to reconstruct the climate environment. Based on the analysis of carbonate content, magnetic susceptibility, Ostracoda, foraminifera, sporopollenin and AMS 14C dating on the KY-01 borehole sediment core, the evolution of both the climate and sedimentary environment has been discussed. The results show that: 7656–4145 cal.aBP, seawater moved toward the land surface and the climate was generally warm and humid, when there were small-scale extreme climate fluctuations; 4145–2544 cal.aBP, transgression and recession occurred, the climate changed from warm-wet to dry-cold and there were small-scale extreme climatic events; and 2544 cal.aBP–1855 AD, the sea level was relatively low, transgression and retreat alternately occurred, the climate was drier and colder than the previous stage and the warming and cooling alternated. During the middle Holocene, cold-dry events occurred between 5737–5422 and 4451–4081 cal.aBP, which is consistent with both Chinese and worldwide climate records.

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Holocene hydroclimate in the source region of the Yellow River: A new sediment record from Lake Gyaring, NE Tibetan Plateau

Cited by 15 publications

References 66 publications

Holocene hydroclimate changes on the north‐eastern Tibetan Plateau inferred from geochemical records in Lake Gyaring

Holocene hydroclimate changes on the north‐eastern Tibetan Plateau inferred from geochemical records in Lake Gyaring

Tropical Pacific Forcing of Hydroclimate in the Source Area of the Yellow River

Holocene environmental evolution history based on sporopollenin and micropaleontological reconstruction of KY-01 in the Yellow River Delta

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