The Indian summer monsoon climate during the Last Millennium, as simulated by the 
PMIP3

Tejavath, Charan Teja; Ashok, Karumuri; Chakraborty, Supriyo; Ramesh, R.

doi:10.5194/cp-2017-24

Cited by 1 publication

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“…The RAP dataset has also been proved to well capture the large-scale year-to-year rainfall variability over monsoon Asia, arid central Asia, and entire Asia during the twentieth century. Specifically, the RAP captures the abrupt strengthening of ISM in the 1600s recorded by other proxies (Anderson et al 2002;Sinha et al 2011); to a larger extent, it shows relatively weak ISM during the Little Ice Age (fifteenth to nineteenth centuries, Bradley and Jonest 1993) in comparison with that during the industrial period as shown from other studies (Sinha et al 2007;Tejavath et al 2017).…”

Section: Methodssupporting

confidence: 51%

How does the Asian summer precipitation-ENSO relationship change over the past 544 years?

Shi

Wang

2018

Clim Dyn

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The secular change of the Asian monsoon (AM)-El Niño-Southern Oscillation (ENSO) relationship has been recognized as a specter for seasonal forecast. The causes of such changes have not been well understood. How the monsoon-ENSO relationship underwent secular changes beyond instrumental period has rarely been discussed. Here we explore the multidecadal to centennial changes of the AM-ENSO relationship with the recently compiled Reconstructed Asian summer Precipitation (RAP) dataset (1470-2013) and multiple ENSO proxy indices. During the past five centuries, two leading modes of interannual variability of RAP are found to be associated with the ENSO developing and decaying phases, respectively. The mechanisms behind the modern monsoon-ENSO relationship can reasonably well explain the past monsoon behavior. In response to a developing ENSO, precipitation anomalies from the Maritime Continent (MC) via India to northern China are in phase, and this "chain reaction" tends to be largely steady since around 1620 AD when the Indian summer monsoon abruptly strengthened. Further, the strengthening of the link between developing-ENSO and Indian-northern China rainfall since 1620 AD concurred with a phase reversal of the Pacific Decadal Oscillation. During the decaying phase, however, the summer rainfall-ENSO relationship over the Yangtze River Valley-southern East China (YRV-SEC), the MC and central Asia, has gone through large multidecadal to centennial changes over the past five centuries. A remarkable reversal of sign in the AM-decaying ENSO relationship occurred roughly from 1740 to 1760 over the YRV-SEC and MC, which may be associated with the long-term strengthening of ENSO intensity. Future research should continue focusing on revealing the possible causes of the low-frequency changes in the monsoon-ENSO relationship using general circulation models and paleoclimate proxy reconstructions. Keywords Reconstructed Asian summer precipitation • Asian monsoon-ENSO relationship • Niño reconstruction • Multidecadal to centennial change • Nonstationarity.

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Section: Methodssupporting

confidence: 51%

How does the Asian summer precipitation-ENSO relationship change over the past 544 years?

Shi

Wang

2018

Clim Dyn

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The Indian summer monsoon climate during the Last Millennium, as simulated by the PMIP3

Abstract: Here, using the available model simulations from the PMIP3, we study the mean summer (June- September

Cited by 1 publication

References 35 publications

How does the Asian summer precipitation-ENSO relationship change over the past 544 years?

How does the Asian summer precipitation-ENSO relationship change over the past 544 years?

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