Modulation of centennial-scale hydroclimate variations in the middle Yangtze River Valley by the East Asian-Pacific pattern and ENSO over the past two millennia

Zhang, Jingwei; Zhao, Kan; Wang, Yongjin; Kong, Xinggong; Shao, Xiaohua; Liang, Yijia; Cui, Yingfang; Cheng, Hai; Edwards, R. Lawrence; Shao, Qingfeng

doi:10.1016/j.epsl.2021.117220

Cited by 11 publications

(10 citation statements)

References 47 publications

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“…The LM paleoclimate DA products (LMR and PHYDA) and climate model outputs (CESM‐LME) explored in this work extend and complement previous studies based on either short‐term instrumental observations (Mehta & Lau, 1997; Seetha et al., 2020) or sparse proxy records sensitive to the ASM systems (Neff et al., 2001; Sagawa et al., 2014; Tiwari et al., 2005; Y. Wang et al., 2005; J. Zhang et al., 2021). We acknowledge, however, that uncertainties and biases in climate models can impact the evolution of the ENSO‐ASM relationship, as teleconnections in LMR and PHYDA are also largely defined by their model prior via covariance assumptions.…”

Section: Discussionsupporting

confidence: 78%

“…The LM paleoclimate DA products (LMR and PHYDA) and climate model outputs (CESM-LME) explored in this work extend and complement previous studies based on either short-term instrumental observations (Mehta & Lau, 1997;Seetha et al, 2020) or sparse proxy records sensitive to the ASM systems (Neff et al, 2001;Sagawa et al, 2014;Tiwari et al, 2005;Y. Wang et al, 2005;J. Zhang et al, 2021).…”

Section: Discussionsupporting

confidence: 67%

“…For example, J. Zhang et al. (2021) proposed that the centennial‐scale oscillations in EASM rainfall over the mid‐YRV are closely related to increased rainfall corresponding to weakened solar irradiance and El Niño‐like conditions. Our study emphasizes that changes in the strength and position of subtropical pressure systems in response to tropical SST anomalies play a critical role in the ENSO‐EASM teleconnection.…”

Section: Discussionmentioning

confidence: 99%

“…Variations in total solar irradiance (TSI) are an important driver of climate system changes (Beer et al., 2000), including terrestrial climate (J. Wang et al., 2023). The coherence between ASM intensity and solar variability on multidecadal to centennial timescales has previously been recognized in paleoclimate records; accordingly, previous high‐resolution paleoclimate studies have suggested TSI as one of the primary controls on Asian monsoon intensity (Neff et al., 2001; Tiwari et al., 2005; Y. Wang et al., 2005; J. Zhang et al., 2021). Oxygen isotope records from Dongge Cave suggest stronger EASM intensity corresponds to higher TSI over the Holocene (Y. Wang et al., 2005), whereas increased rainfall corresponding to weakened solar irradiance has been reported from mid‐Yangtze River Valley (YRV) over the past two millennia (J. Zhang et al., 2021).…”

Section: Introductionmentioning

confidence: 88%

“…Wang et al, 2005; J. Zhang et al, 2021). Oxygen isotope records from Dongge Cave suggest stronger EASM intensity corresponds to higher TSI over the Holocene (Y.…”

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confidence: 99%

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Solar Irradiance Modulates the Asian Summer Monsoon—ENSO Relationship Over the Last Millennium

Du,

Dee,

et al. 2023

Geophysical Research Letters

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The Asian summer monsoon (ASM) is teleconnected to the El Niño Southern Oscillation (ENSO), but this relationship is nonstationary and has shifted significantly in recent decades. Characterizing the drivers of such shifts is crucial for improving ASM prediction and extreme event preparedness. Paleoclimate records indicate a link between ASM strength and solar activity on multidecadal‐to‐centennial timescales, but 20th‐century data are too short to test mechanisms. Here we evaluate how solar irradiance influences the ASM‐ENSO relationship using last‐millennium paleoclimate data assimilation reconstructions and model simulations. We find that high solar irradiance weakens the ENSO‐East Asian summer monsoon (EASM) correlation, but strengthens the ENSO‐South Asian summer monsoon (SASM) correlation. Solar irradiance likely influences the strength of the ENSO‐EASM and ENSO‐SASM teleconnections via changes in the Western Pacific Subtropical High and the amplitude of ENSO events, respectively. We suggest a need for considering solar activity in decadal ASM rainfall predictions under global warming scenarios.

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Section: Discussionsupporting

confidence: 78%

Section: Discussionsupporting

confidence: 67%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 88%

“…Wang et al, 2005; J. Zhang et al, 2021). Oxygen isotope records from Dongge Cave suggest stronger EASM intensity corresponds to higher TSI over the Holocene (Y.…”

mentioning

confidence: 99%

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