Holocene vegetation variation in the Daihai Lake region of north-central China: a direct indication of the Asian monsoon climatic history

Xiao, Jianru; Xu, Qinghai; Nakamura, Tomohiro; Yang, Xiaolan; Liang, Wendong; Inouchi, Yoshio

doi:10.1016/j.quascirev.2004.01.005

Cited by 448 publications

(340 citation statements)

References 12 publications

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“…6), suggesting that widespread arid climate dominated in the Mu Us Desert during the early Holocene. Additionally, such an early Holocene dry episode is also identified in the lake records east to the Mu Us Desert (e.g., Xiao et al, 2004) 6.2 Holocene optimum (8.3-5 ka) Lake formation took place between 8.3 and 5 ka, indicating a shift from eolian sand dunes to fine lake sediments the dry/cold climate of the early Holocene to the warm/humid climate of the middle Holocene. This is supported by the highest TOC content during this period (Fig.…”

Section: Dry Conditions and Eolian Activities In The Early Holocenementioning

confidence: 81%

Holocene environmental changes in central Inner Mongolia revealed by luminescence dating of sediments from the Sala Us River valley

Sun

2011

The Holocene

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Luminescence dating of the fluvial and lacustrine sediments from the Sala Us River valley at the south edge of the Mu Us Desert, central Inner Mongolia, is reported. The study region lies in the northwestern marginal zone of the east Asian summer monsoon and is sensitive to climate change. The dating results combined with environmental proxies indicate that the Holocene Climate Optimum period, took place from 8.5 to 5 ka ago and was marked by lake development. After ~5 ka ago, the region became arid, as inferred from lake regression and fluvial activity. Deposition of fluvial sediments lasted from ~5 ka to ~2 ka ago. At about 2 ka ago, incision of the Sala Us River was initiated into the underlying sediments, with a down-cutting rate of ~3–4 cm/yr. Since 2 ka ago, human activities also played an important role in causing environmental change in the region.

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Section: Dry Conditions and Eolian Activities In The Early Holocenementioning

confidence: 81%

Holocene environmental changes in central Inner Mongolia revealed by luminescence dating of sediments from the Sala Us River valley

Sun

2011

The Holocene

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“…In monsoonal Asia, multi-proxy data from cave deposits (e.g., Fleitmann et al 2003;Shao et al 2006), peats (Hong et al 2005), lake sediments (Lister et al 1991;Gu et al 1993;Hodell et al 1999;Morrill et al 2003;Xiao et al 2004;Shen et al 2005) and marine sediments (Wang et al 1999;Gupta et al 2003) suggest that the Indian and East Asian summer monsoons were enhanced during the early to mid-Holocene. Enhanced diabatic heating in the core region of the strengthened summer monsoon could result in increased subsidence in drylands to the north along the desert margin (Broccoli and Manabe 1992; Masson et al 2009).…”

Section: Introductionmentioning

confidence: 99%

Causes of early Holocene desertification in arid central Asia

et al. 2011

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Paleoclimate records of effective moisture (precipitation minus evaporation, or P-E) show a dry (low effective moisture) period in mid-latitude arid/semi-arid central Asia during the early Holocene (11,000-8,000 years ago) relative to the middle and late Holocene, in contrast to evidence for greater-than-present precipitation at the same time in the south and east Asian monsoonal areas. To investigate the spatial differences in climate response over mid-latitude central Asia and monsoonal Asia we conducted a series of simulations with the Community Climate System Model version 3 coupled climate model for the early, middle and late Holocene. The simulations test the climatic impact of all important forcings for the early Holocene, including changes in orbital parameters, the presence of the remnant Laurentide ice sheet and deglacial freshening of the North Atlantic. Model results clearly show the early Holocene patterns indicated by proxy records, including both the decreased effective moisture in arid central Asia, which occurs in the model primarily during the winter months, and the increase in summer monsoon precipitation in south and east Asia. The model results suggest that dry conditions in the early Holocene in central Asia are closely related to decreased water vapor advection due to reduced westerly wind speed and less evaporation upstream from the Mediterranean, Black, and Caspian Seas in boreal winter. As an extra forcing to the early Holocene climate system, the Laurentide ice sheet and meltwater fluxes have a substantial cooling effect over high latitudes, especially just over and downstream of the ice sheets, but contribute only to a small degree to the early Holocene aridity in central Asia. Instead, most of the effective moisture signal can be explained by orbital forcing decreasing the early Holocene latitudinal temperature gradient and wintertime surface temperature. We find little evidence for regional subsidence related to a stronger summer Asian monsoon in forcing early Holocene aridity in central Asia, as has been previously hypothesized.

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“…This region is also one of the most important cradles of Chinese civilization, and various cultures flourished here during the Neolithic Age (Zhang, 2006 and references therein). Because of the important geographical location and cultural status, a lot of palaeoclimate studies were done here, including loess (e.g., An et al, 1991;Liu and Ding, 1998), lake sediment (e.g., Xiao et al, 2004;Peng et al, 2005), stalagmite (e.g., Tan et al, 2003;Zhang et al, 2008), tree ring (e.g., Hughes et al, 1994;Liu et al, 1996), and historical document (e.g., Yan et al, 1993;Tan et al, 2008). However, centennial-to decadal-scale climate variability in north central China during the last two millennia is far from being fully understood.…”

Section: Introductionmentioning

confidence: 99%

Climate patterns in north central China during the last 1800 yr and their possible driving force

Tan

Cai

et al. 2011

Clim. Past

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Abstract. We synthesized high-resolution precisely-dated stalagmite records and historical document records from north central China to reconstruct a decadal resolution precipitation record during the last 1800 years (190-1980 AD). The synthesized precipitation record shows coincident variations and significant positive correlations with the temperature reconstructions on centennial-to multidecadal-scale, suggesting warm-humid/cool-dry was the main climate pattern in north central China over the past 1800 years. Solar activity may be the dominant force that drove the same-phase variations of the temperature and precipitation in north central China.

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Holocene vegetation variation in the Daihai Lake region of north-central China: a direct indication of the Asian monsoon climatic history

Cited by 448 publications

References 12 publications

Holocene environmental changes in central Inner Mongolia revealed by luminescence dating of sediments from the Sala Us River valley

Holocene environmental changes in central Inner Mongolia revealed by luminescence dating of sediments from the Sala Us River valley

Causes of early Holocene desertification in arid central Asia

Climate patterns in north central China during the last 1800 yr and their possible driving force

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