Holocene weak summer East Asian monsoon intervals in Taiwan and plausible mechanisms

Kandasamy, Selvaraj; Chen, Chen‐Tung Arthur; Lou, Jie-Chung; Kotlia, Bahadur Singh

doi:10.1016/j.quaint.2010.01.015

Cited by 44 publications

(43 citation statements)

References 56 publications

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“…Weakening of summer monsoon or intensification of winter monsoon may decrease the SST in the central SYS. Desiccation of the Taiwan Retreat Lake between 4.5 and 2.1 cal ka BP and reduction of its TOC content between 5.8 and 5.1 cal ka BP indicate summer monsoon weakening in these periods [34,35], which is consistent with the three low SST intervals (Figure 5b). Magnetic susceptibility and Ti content of the Lake Huguang Maar sediments suggest winter monsoon intensification in these three intervals [36].…”

Section: Response Of the Sst To Climate Eventsupporting

confidence: 76%

Sea surface temperature records of core ZY2 from the central mud area in the South Yellow Sea during last 6200 years and related effect of the Yellow Sea Warm Current

et al. 2011

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Section: Response Of the Sst To Climate Eventsupporting

confidence: 76%

Sea surface temperature records of core ZY2 from the central mud area in the South Yellow Sea during last 6200 years and related effect of the Yellow Sea Warm Current

et al. 2011

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“…The EASM also weakened (Figure 2(f)) [39]. The TOC contents of Retreat Lake in Taiwan, near MD05-2908, indicated that the East Asian monsoon rainfall of the late Holocene was obviously lower than that of the Mid-Holocene (Figure 2(g)) [17]. The characteristics of the gradually weakening EASM since the Mid-Holocene have been recorded in many areas of the Asian monsoon region, such as the peat records of southern and northeastern China [45,46]; the stalagmite δ 18 O records of Dongge cave in southern China and Shennongjia cave in central China [47,48]; and the pollen records of the Guangdong Huguang Maar Lake [49].…”

Section: The Impact Mechanism Of Pp Variations Of the Southern Okinawmentioning

confidence: 95%

“…During El Niño, the interaction of the ocean-atmosphere induces the southern movement of the ITCZ [55], resulting in the weakening of the EASM. The weakening of the EASM during 42 ka BP is reflected in many records of the Asian monsoon regions, such as the intermittent deposition of Retreat Lake in Taiwan during 4.52.1 ka BP [17], the intermittent growth of the stalagmites of the northern Oman Hoti cave during 5.22.5 ka BP [56] and the low δ 18 O values of the Shennongjia stalagmites in Hubei during 4.42.1 ka BP [57].…”

Section: The Impact Mechanism Of Pp Variations Of the Southern Okinawmentioning

confidence: 99%

Paleoproductivity variations in the southern Okinawa Trough since the middle Holocene: Calcareous nannofossil records

Zhao

et al. 2012

Chin. Sci. Bull.

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Based on 17 AMS14 C age data, we reconstructed high-resolution records of sea surface primary productivity (PP) in the southern Okinawa Trough (MD05-2908) over the last 6.8 ka BP using the calcareous nannofossil carbon isotope and the relative percentage contents of Florisphaera profunda indexes. The underlying mechanism controlling the sea surface PP was then discussed. The sea surface PP, indicated by the coccolith δ 13 C and %Fp conversional equations, decreased with some fluctuations since 6.8 ka BP. This decrease may be connected to the decreased terrigenous input resulting from the reduced East Asian Summer Monsoon (EASM) precipitation. Both the periods of 4-2 ka BP (PME) and 6.8-4.8 ka BP were characterized by relatively higher PP. The former was mainly controlled by the weakening of the Kuroshio Current, whereas the latter mainly resulted from the greater terrigenous input associated with the stronger EASM.

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“…In Taiwan, the desiccation of the subalpine Retreat Lake around 4500-2100 cal. yr BP strongly indicates an decreased EASM rainfall (Selvaraj et al 2011). Decreased the abundance of P. obliquiloculata in the northwestern Pacific Ocean also suggest a weakening of the EASM rainfall during 4100-1900 cal.…”

Section: Mid-to Late Holocene East Asian Monsoon Variations and Regiomentioning

confidence: 96%

“…6.9d), the TOC record from the subalpine Retreat Lake in Taiwan (after 1900 cal. yr BP) (Selvaraj et al 2011), the increased sediment redness values in Qinghai Lake (since 2200 cal. yr BP) (Ji et al 2005) (Fig.…”

Section: Mid-to Late Holocene East Asian Monsoon Variations and Regiomentioning

confidence: 99%

Reconstructing Mid- to Late Holocene East Asian Monsoon Variability in the Jingpo Lake, Northeastern China

Chen

Shen

2015

Earth Surface Processes and Environmental Changes in East Asia

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The Northeastern China involves complex interactions between the East Asian monsoon (EAM) circulation and the polar climate system, and plays a significant role as the bridge communicating low and high latitude climatic processes. High-resolution multi-proxy analysis of a robust AMS 14 C dated lacustrine sediment core recovered from Jingpo Lake in northeastern China provides a detailed history of East Asian monsoon (EAM) variability and vegetation changes during the Midto Late Holocene. The multi-proxy results show that the climate was relatively warm and humid during the period from 5100 to 3600 cal. yr BP, cool and dry between 3600 and 2100 cal. yr BP, and a strengthening of the EAM intensity during the period of 2100 to 150 cal. yr BP. After 150 cal. yr BP, the multi-proxy results reflecting the Jingpo Lake region is affected by intensive human activities. Our findings indicate that variability of the EAM during the Mid-to Late Holocene on multi-decadal to centennial scale are forced by changes in both solar output and oceanic-atmospheric circulations. Furthermore, we have found the evidence that abrupt climate changes coincides with the collapse or the beginning and the chaotically divided of some Chinese dynasties, which will need further research on the relationship between climate and human cultural changes.

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Holocene weak summer East Asian monsoon intervals in Taiwan and plausible mechanisms

Cited by 44 publications

References 56 publications

Sea surface temperature records of core ZY2 from the central mud area in the South Yellow Sea during last 6200 years and related effect of the Yellow Sea Warm Current

Sea surface temperature records of core ZY2 from the central mud area in the South Yellow Sea during last 6200 years and related effect of the Yellow Sea Warm Current

Paleoproductivity variations in the southern Okinawa Trough since the middle Holocene: Calcareous nannofossil records

Reconstructing Mid- to Late Holocene East Asian Monsoon Variability in the Jingpo Lake, Northeastern China

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