Climate change, vegetation history, and landscape responses on the Tibetan Plateau during the Holocene: A comprehensive review

Chen, Fahu; Zhang, Jifeng; Liu, Jianbao; Cao, Xianyong; Hou, Juzhi; Zhu, Liping; Xu, Xiangke; Liu, Xiangjun; Wang, Mingda; Wu, Duo; Huang, Lele; Tian, Zhonghua; Zhang, Shuai; Huang, Wei; Zhang, Xu; Yang, Kun

doi:10.1016/j.quascirev.2020.106444

Cited by 198 publications

(84 citation statements)

References 260 publications

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“…The dividing crest between Dagze Co and the western basins is approximately the same elevation as paleoshoreline S15. Hence, water balance ratios in the Dagze Co basin were likely sufficient to sustain the lake at the same elevation of paleoshoreline S15 or slightly higher during the early Holocene ISM intensification stage when several other lakes on southern TP experienced their highest Holocene lake levels (Liu et al, 2016;Shi et al, 2017;Chen et al, 2020).…”

Section: Resultsmentioning

confidence: 99%

“…The reconstructed surface temperature over the TP and its adjacent regions was 5-8°C colder than today during the LGM (Xu et al, 2013;. Although there are several paleoenvironmental proxy records spanning the LGM in the northern TP (An et al, 2012;Yan and Wünnemann, 2014;Jin et al, 2015;Wu et al, 2020), most studies in the southern TP cover only the last deglacial and Holocene periods, with only a few extending to the latest stage of the LGM (Gasse et al, 1991;Zhu et al, 2015;Ma et al, 2019;Chen et al, 2020 and references cited there in).…”

Section: Asymmetrical Humidity Variations Between the Northern And Somentioning

confidence: 99%

“…Over the course of the past 30 years, extensive investigations of TP paleoenvironmental changes have been conducted by scientists within China and from abroad. However, most are focused on the last deglaciation and Holocene stages, with only a few records spanning the LGM (An et al, 2012;Liu et al, 2019;Chen et al, 2020 and references there in). Ice cores older than the Holocene are scarce on the TP, with only the Guliya ice cap records extending through the LGM (Thompson et al, 1997).…”

Section: Introductionmentioning

confidence: 99%

“…However, the majority of these studies only cover the last deglacial and Holocene periods (Chen et al, 2020 and the references there in). Existing paleoenviornmental records indicate that lakes on the TP shrank during the LGM, with some large lakes becoming almost completely desiccated (Madsen et al, 2008;An et al, 2012;Yan and Wünnemann, 2014;Jin et al, 2015;Liu et al, 2015;Zhu et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

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Climate Conditions on the Tibetan Plateau During the Last Glacial Maximum and Implications for the Survival of Paleolithic Foragers

Liu

et al. 2020

Front. Earth Sci.

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Environmental conditions on the Tibetan Plateau (TP) during the last glacial maximum (LGM) are poorly known. Existing studies of environmental proxies and climate model simulations are contradictory, with interpretations varying between cold-dry and cold-wet environmental conditions which differentially influenced lake volumes, loess deposition and vegetation communities across the TP. Genetic and archaeological studies suggest anatomically modern paleolithic foragers initially occupied the TP between 60 and 30 ka, and may have seasonally occupied the TP during the LGM. Hence, a better understanding for LGM environmental conditions is needed in order to estimate whether paleolithic foragers could have survived on the TP during the extreme LGM cold stage. Here we report the investigation of lacustrine sediments and beach deposits within two paleoshorelines around Dagze Co on the southern TP, ∼22 and ∼42 m higher than the present lake level. Optical age estimates suggest the sediments were deposited during the LGM and mid-Holocene, respectively. TraCE-21 climate model simulation results suggest that net annual LGM precipitation in the Dagze Co basin was lower than the mid-Holocene, but about the same as that of the past 1,000 years. Combining the optical age estimates with TraCE-21 and CAM4 climate model simulation results, we deduce that increased summer precipitation and glacier meltwater supply, combined with decreased lake surface evaporation, produced LGM lake levels ∼22 m higher than present. We also synthesized paleoenvironmental records reported across the TP spanning the LGM. This synthesis suggests that the LGM climate in the northern TP was cold and dry, but that some of the southern TP was cold and wet. These relatively wetter LGM conditions in the southern TP may have favored the growth of cold-resistant plants which, in turn, may have supported larger herbivore populations, and provided food for paleolithic foragers. We conclude that seasonal or short-term human occupation of the TP during the LGM was thus more likely in the southern TP than in the north.

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Section: Resultsmentioning

confidence: 99%

Section: Asymmetrical Humidity Variations Between the Northern And Somentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Climate Conditions on the Tibetan Plateau During the Last Glacial Maximum and Implications for the Survival of Paleolithic Foragers

Liu

et al. 2020

Front. Earth Sci.

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“…But up to now, due to the lack of long-enough and continuous stratigraphic profiles, the geomorphological connection between the Tertiary desert and the present desert is still unclear. And in many areas of the deserts in northwest China, lacustrine and fluvial sediments from the Late Pleistocene and even Holocene are buried under the sandy dunes, which indicate that the environment of these desert areas has changed dramatically during the late Quaternary (Yang, 2006;Chen et al, 2020). For example, in the Badanjilin Desert near the northeast of the Hexi Corridor in China, although the formation mechanism of the giant sandy dunes in the desert is still a dispute in people's understanding, such as "the theory of climate control", "the theory of tectonical/geomorphological control" and "the theory of groundwater control", geomorphological survey is essential to resolve this dispute.…”

Section: Introductionmentioning

confidence: 99%

Formation and dynamics of sandy dunes in the inland areas of the Hexi Corridor

Zhu

2020

Preprint

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Abstract. Dynamic changes of aeolian landforms and desertification under global warming in a middle-latitude desert belt, the Hexi Corridor in China, considered to be one of the source and engine area of sandstorms in China and Northern Hemisphere (NH), is a typical problem of climate change and landscape response, which need a comprehensive understanding of the history and forcing mechanisms of recent landform and environmental changes in the region. Based on the existing high-resolution satellite image interpretations, field investigations and observations, comprehensive evidences from geomorphological, aeolian-physical, granulometrical and geochemical analysis, this study discussed the formation of dune landforms, the mechanism of desertification and their environmental implications in the Hexi Corridor. The analytical results show that 80 % of the sand particles flow within a height of 20–30 cm near the surface, and about half of the sand particles flow within a height of 0.3–0.5 cm near the surface in the Hexi Corridor. The average height of the typical crescent-shaped dunes is about 6.75 m, and the minimum and maximum values are between 2.6 and 11.2 m. On the inter-annual and multi-year time scales, only the crescent-shaped dunes and chains of barchan dunes are moving or wigwagging in the study area, while the parabolic and longitudinal dunes did not move. Under the influence of wind speed, strong wind days and other factors, the dunes at the edge of the Minqin Oasis move the fastest, with a moving speed of about 6.2 m/a. Affected by the main wind direction and other factors, the dunes at the edge of the Dunhuang Oasis move the slowest, with a moving speed of about 0.8 m/a. The main factors affecting the dynamic changes of sandy dunes in the Hexi Corridor are the annual precipitation, the annual average wind speed and the number of annual strong wind days, of which the annual precipitation contributes the largest, indicating that the climate factors have a most important impact on the dynamic change of sand dunes. The cumulative curve of particle size frequency of dune sediments in the Hexi Corridor basically presents a three-segment model, indicating a saltation mode dominated under the action of wind, but superimposed with a small amount of coarser and finer particles dominated by the creeping and suspension models, which is obviously different from that of the Gobi sediments with a dominant two-segment mode. The palaeo-geographical, sedimentological and geochemical evidences indicate that dune sediments in the Hexi Corridor are mainly derived from locally or in-situ raised sandy sediments, which are mainly come from alluvial plains and ancient fluvial sediments, as well as ancient lake plains and lacustrine deposits, aeolian deposits in the piedmont denudation zones of the north and south mountains and modern fluvial sediments in the corridor. In geochemical compositions of major and trace elements, the dunes in the Hexi Corridor have certain similarities and differences to other sandy dunes in the northwest and northern deserts of China or aeolian loess in the Loess Plateau. Sandy dunes in the Hexi Corridor are relatively rich in iron and Co. Considering the proportion of fine particles on the surface, the coverage rate of surface salt crust, and the potential migration of erodible sandy materials, it can be concluded that the Gobi area in the west Hexi Corridor is not the main source area of sandstorms in the middle and east of the corridor, but the north probably is. In the past half century, the warming and humidification of local climate is the main cause of the reduction of sandstorms in the study area, and the Hexi Corridor has a potential trend of anti-desertification, which is mainly controlled by climate change but not human activities. For the oasis areas of the corridor, however, the effective measures to restrict desertification depend on human activities. Restriction of the decline of groundwater is the key to preventing desertification in oases, rather than water transfer from outer river basins.

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Drivers to mitigate climate change in context of manufacturing industry: An emerging economy study

Dwivedi

Sassanelli

Agrawal³

et al. 2023

Bus Strat Env

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Business strategy and the environment are becoming increasingly central within the global agenda. In particular, some emerging countries such as India show strong growth in the manufacturing sector while also exhibiting high emission values. This inevitably creates a paradox. Therefore, this study aims to determine the drivers for Indian manufacturing firms to pursue sustainability. The methodologies used in this work is comprised of modified total interpretive structure modeling (m‐TISM) that is based on 21 drivers to mitigate climate change and cross‐impact matrix multiplication applied to classification (MICMAC) that evaluates the dependence power and driving power of the drivers. The findings from the study reflect that there are nine levels into which the clusters are divided. “greenhouse gas performance” and “encouraging low carbon products” are influenced by all other drivers, while the driver “dynamic transitions in economic and political situation” occupies a mirror position. This last driver has the greatest impact on the achievement of the goal along with “persistent with corporate conventionalities” and “dynamic transitions in economic and political situation.” The economic dimension has a key asset in the manufacturing context, but the influence of sustainable technology on the supply side and of the responsible consumption on the demand side cannot be overlooked. Businesses that focus on short‐term maximization by not focusing on renewable and circular resources may be uncompetitive in the long‐term.

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Climate change, vegetation history, and landscape responses on the Tibetan Plateau during the Holocene: A comprehensive review

Cited by 198 publications

References 260 publications

Climate Conditions on the Tibetan Plateau During the Last Glacial Maximum and Implications for the Survival of Paleolithic Foragers

Climate Conditions on the Tibetan Plateau During the Last Glacial Maximum and Implications for the Survival of Paleolithic Foragers

Formation and dynamics of sandy dunes in the inland areas of the Hexi Corridor

Drivers to mitigate climate change in context of manufacturing industry: An emerging economy study

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