Transition from a warm and dry to a cold and wet climate in NE China across the Holocene

Zheng, Yongnian; Pancost, Richard D.; Naafs, B. David A.; Li, Qiyuan; Liu, Zhao; Yang, Huan

doi:10.1016/j.epsl.2018.04.019

Cited by 95 publications

(49 citation statements)

References 98 publications

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“…increased from 18.0 °C at 11.4 cal ka BP to 26.5 °C at 8.1 cal ka BP, and remained at generally high values (>25.0 °C ) during the mid-Holocene (Stebich et al, 2015). The branched GDGTs record from Gushantu peat bog in northeast China also shows the highest mean annual temperatures occurred between 8.0 and 6.8 cal ka BP (Zheng et al, 2018). The regionally warmer mid-Holocene is considered to be related to the persistence of remnants of the Northern Hemisphere ice-sheets during the early Holocene, which slowed down the Atlantic Meridional overturning circulation and enhanced the westerlies, resulting in lower temperatures across the downstream Eurasian continent (Zhang et al, 2017a;Wu et al, 2018;Ning et al, 2019).…”

Section: Warming In the Early Holocenementioning

confidence: 82%

“…CC BY 4.0 License. Lake Tengchongqinghai (Zhang et al, 2017b;Li et al, 2018;Tian et al, 2019); 5. Lake Tiancai (Zhang et al, 2017a(Zhang et al, , 2019; 6.…”

Section: Discussionmentioning

confidence: 99%

“…In addition, increased lake water alkalinity and decreased lake-level are also recorded in the diatom and grain-size proxy records during 12.8-11.1 cal ka BP of Lake Tengchongqinghai (Fig. 4g, Zhang et al, 2017b;Li et al, 2018). The differences in lake hydrological conditions to the YD weak ISM inferred from different lake sediment records is possibly due to differences in the sensitivity of the proxy to lake-level variation in the case of Lake…”

Section: Assessment Of Isogdgt-based Lake-level Proxymentioning

confidence: 93%

“…Diatom and grain-size records from Lake Tengchongqinghai show a significant decrease in acidophilous diatom species and an increase in the grain-size of mineral particles from 18.5 to 15.0 cal ka BP, suggesting that the climate was driest and the ISM was at its weakest since the last deglaciation (Fig. 4g, Zhang et al, 2017b;Li et al, 2018). Similarly, an increase in >30 μm grain-size particles in the late glacial sediments from Lake Xingyun reflects a period of abrupt weak ISM during the H1 cold event (Wu et al, 2015).…”

Section: Assessment Of Isogdgt-based Lake-level Proxymentioning

confidence: 99%

“…Lake Sihailongwan (Stebich et al, 2015;Sun et al, 2018), 12. Gushantun peat bog (Zheng et al, 2018). Arrows indicate the dominant atmospheric circulation systems in the region.…”

Section: Figure Captionsmentioning

confidence: 99%

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Microbial Membrane Tetraether lipid-inferred paleohydrology and paleotemperature of Lake Chenghai during the Pleistocene-Holocene transition

Sun

Zhang

Chang

et al. 2019

Preprint

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Abstract. Over the past few decades, paleoenvironmental studies in the Indian Summer Monsoon (ISM) region have mainly focused on precipitation change, with few published terrestrial temperature records from the region. We analyzed the distribution of isoprenoid glycerol dialkyl glycerol tetraethers (isoGDGTs) in the sediments of Lake Chenghai in southwest China across the Pleistocene–Holocene transition, to extract both regional hydrological and temperature signals for this important transition period. Lake-level was reconstructed from the relative abundance of crenarchaeol in isoGDGTs (%cren) and the crenarchaeol'/crenarchaeol ratio. The %cren-inferred lake-level identified a single lowstand (15.4–14.4 cal ka BP), while the crenarchaeol'/crenarchaeol ratio suggests relatively lower lake-level between 15.4–14.4 cal ka BP and 12.5–11.7 cal ka BP, corresponding to periods of weakened ISM during the Heinrich 1 (H1) and Younger Dryas (YD) cold event. A filtered TetraEther indeX consisting of 86 carbon atoms (TEX86 index) revealed that lake surface temperature reached present-day values during the YD cold event, and suggests a substantial warming of ~ 4 °C from the early Holocene to the mid-Holocene. Our paleotemperature record is generally consistent with other records in southwest China, suggesting that the distribution of isoGDGTs in Lake Chenghai sediments has potential for quantitative paleotemperature reconstruction.

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Section: Warming In the Early Holocenementioning

confidence: 82%

“…CC BY 4.0 License. Lake Tengchongqinghai (Zhang et al, 2017b;Li et al, 2018;Tian et al, 2019); 5. Lake Tiancai (Zhang et al, 2017a(Zhang et al, , 2019; 6.…”

Section: Discussionmentioning

confidence: 99%

Section: Assessment Of Isogdgt-based Lake-level Proxymentioning

confidence: 93%

Section: Assessment Of Isogdgt-based Lake-level Proxymentioning

confidence: 99%

“…Lake Sihailongwan (Stebich et al, 2015;Sun et al, 2018), 12. Gushantun peat bog (Zheng et al, 2018). Arrows indicate the dominant atmospheric circulation systems in the region.…”

Section: Figure Captionsmentioning

confidence: 99%

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Microbial Membrane Tetraether lipid-inferred paleohydrology and paleotemperature of Lake Chenghai during the Pleistocene-Holocene transition

Sun

Zhang

Chang

et al. 2019

Preprint

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Lake–mire ecosystem transformation and its possible forcing mechanisms in volcanic landform regions: a case study in the Gushantun peatland of northeast China

Zhang

et al. 2020

Earth Surf Processes Landf

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Large numbers of peatlands were developed in volcanic landform regions, which would provide valuable long-term records of lake-mire ecosystem shifts and act as significant carbon pool in regional carbon cycle. To investigate lake-mire ecosystem transformations and driving mechanisms in volcanic landform regions, the developmental history of Gushantun peatland in northeast China was reconstructed in this study. Results indicate that Gushantun peatland initiated in the deepest portions of the basin, and subsequently experienced expansions outward. Peat initiated from approximately 12kacal. BP to present. The developmental patterns of Gushantun peatland can be divided into four stages: the stable stage 1 (12-10kacal. BP), maximum stage (10-7kacal. BP), stable stage 2 (7-4kacal. BP) and stable stage 3 (4-0kacal. BP). The possible forcing mechanisms for the development of Gushantun peatland were different during different periods. From 12kacal. BP to 10kacal. BP, autogenic process was probably the major controlling factor for the expansion of this peatland. From 10 to 7kacal. BP, flat basin morphology was the major influence factor for fast expansion. However, the development of Gushantun peatland was probably controlled by the dual effects of high moisture and autogenic process during the period of 7 to 4kacal. BP. From 4kacal. BP to present, steep basin morphology was the major influence factor, while moisture might be the secondary factor for development of Gushantun peatland. These features indicate that lake-mire ecosystem transforms in volcanic landform regions of Changbai Mountains were probably triggered by the complex effects of autogenic process, hydroclimate and underlying basin morphology.

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Biomarker proxies for reconstructing Quaternary climate and environmental change

McClymont,

Mackay,

Stevenson

et al. 2023

J Quaternary Science

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To reconstruct past environmental changes, a range of indirect or proxy approaches can be applied to Quaternary archives. Here, we review the complementary and novel insights that have been provided by the analysis of chemical fossils (biomarkers). Biomarkers have a biological source that can be highly specific (e.g. produced by a small group of organisms) or more general. We show that biomarkers are able to quantify key climate variables (particularly water and air temperature) and can provide qualitative evidence for changes in hydrology, vegetation, human–environment interactions and biogeochemical cycling. In many settings, biomarker proxies provide the opportunity to simultaneously reconstruct multiple climate or environmental variables, alongside complementary and long‐established approaches to palaeoenvironmental reconstruction. Multi‐proxy studies have provided rich sets of data to explore both the drivers and impacts of palaeoenvironmental change. As new biomarker proxies continue to be developed and refined, there is further potential to answer emerging questions for Quaternary science and environmental change.

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Transition from a warm and dry to a cold and wet climate in NE China across the Holocene

Cited by 95 publications

References 98 publications

Microbial Membrane Tetraether lipid-inferred paleohydrology and paleotemperature of Lake Chenghai during the Pleistocene-Holocene transition

Microbial Membrane Tetraether lipid-inferred paleohydrology and paleotemperature of Lake Chenghai during the Pleistocene-Holocene transition

Lake–mire ecosystem transformation and its possible forcing mechanisms in volcanic landform regions: a case study in the Gushantun peatland of northeast China

Biomarker proxies for reconstructing Quaternary climate and environmental change

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