Synergistic Interdecadal Evolution of Precipitation over Eastern China and the Pacific Decadal Oscillation during 1951–2015

Wu, Minmin; Zhang, Rong-Hua; Hu, Junya; Zhi, Hai

doi:10.1007/s00376-023-3011-z

Cited by 5 publications

(4 citation statements)

References 64 publications

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“…Future explorations should encompass an investigation into the potential effects of the SST in the Indian Ocean. Additionally, since both precipitation and SST exhibit variabilities across multiple time scales (e.g., Ding et al, 2020a;Wu et al, 2023), forthcoming research endeavors should extend to examine the modulation of SST variabilities on precipitation variations in China at different time scales, such as the modulation of high-frequency variations (i.e., interannual or seasonal variability) by interdecadal variability.…”

Section: Conclusion and Discussionmentioning

confidence: 99%

“…We first demonstrate that the ECHAM5 can capture the corresponding periodic variations in precipitation over China under the interdecadal SST forcing (with a 24.38-year cycle). Figure 2 Northwest China is trivial on the 23-year cycle (its standard deviation is less than 1 mm mon −1 ) as reported by Wu et al (2023), we put our attention to the precipitation over eastern China (90°-135°E, 20°-55°N) in the following analysis.…”

Section: Dominant Cycles Of the Simulated Precipitationmentioning

confidence: 91%

“…China, including seasonal, interannual, interdecadal, and multi-decadal variabilities (e.g., Lau and Li, 1984;Qian and Zhou, 2014;Ding et al, 2020a;Wu et al, 2023).…”

Section: Previous Studies Have Identified Multiple Temporal Signals I...mentioning

confidence: 99%

“…Interdecadal variabilities, as an essential source of multi-time scale variations, provide a climatic background on which interannual variations evolve in precipitation and SST. For example, on the interdecadal and longer time scales, precipitation variations over China exhibit diverse dominant cycles and spatial patterns (e.g., Ding et al, 2008;Du et al, 2022;Wu et al, 2023). The summer precipitation over eastern China displays several interdecadal scales with 12 years, 30-40 years and 80 years (Ding et al, 2008).…”

Section: Previous Studies Have Identified Multiple Temporal Signals I...mentioning

confidence: 99%

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Synergistic Interdecadal Effects of the North Pacific and North Atlantic SST on Precipitation over eastern China as revealed in the ECHAM5 simulations

Wu,

Zhang,

Zhi

et al. 2023

Preprint

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In this investigation, we examine the individual and synergistic effects of sea surface temperature (SST) in the North Pacific and North Atlantic on precipitation interdecadal variations over eastern China using the Multi-Taper Method-Singular Value Decomposition (MTM-SVD) method based on the European Center Hamburg model version 5 (ECHAM5) simulations. Results reveal that the model adequately reproduces the quasi-periodic precipitation responses corresponding to interdecadal SST forcing in the North Pacific, North Atlantic and both regions. The Pacific Decadal Oscillation (PDO) is closely related to a meridional tri-polar precipitation pattern over eastern China. This precipitation pattern is attributed to the western Pacific subtropical high and surface pressure anomalies over northern East Asia, influenced by the joint effects of a mid-latitude wave train and SST anomalies in the central-western North Pacific. The North Atlantic basin-scale SST (NABS) correlates positively with precipitation over North China and negatively with precipitation over Southwest China. This precipitation pattern is affected by the westward shift of the atmospheric activity center over East Asia associated with the mid-latitude wave train across Eurasia. The combined SST forcing from the North Pacific and North Atlantic results in a meridional precipitation dipole pattern, and partially explains the precipitation interdecadal variation as observed. That is, as the PDO warm phase transitions to the NABS warm phase, rainbands experience an interdecadal northward shift from South China to North China. These results are pivotal for understanding how interdecadal SST forcing in the North Pacific and North Atlantic influences the precipitation distribution over China, thereby contributing to improvements in interdecadal climate prediction.

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Section: Conclusion and Discussionmentioning

confidence: 99%

Section: Dominant Cycles Of the Simulated Precipitationmentioning

confidence: 91%

“…China, including seasonal, interannual, interdecadal, and multi-decadal variabilities (e.g., Lau and Li, 1984;Qian and Zhou, 2014;Ding et al, 2020a;Wu et al, 2023).…”

Section: Previous Studies Have Identified Multiple Temporal Signals I...mentioning

confidence: 99%

Section: Previous Studies Have Identified Multiple Temporal Signals I...mentioning

confidence: 99%

See 2 more Smart Citations

Synergistic Interdecadal Effects of the North Pacific and North Atlantic SST on Precipitation over eastern China as revealed in the ECHAM5 simulations

Wu,

Zhang,

Zhi

et al. 2023

Preprint

Self Cite

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Performance of CMIP5 and CMIP6 models in reproducing the Interdecadal Pacific Oscillation and its global impacts

Qin,

Wang,

Chen

et al. 2024

Intl Journal of Climatology

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This study assessed the capability of the historical simulations of phase 5 and 6 of the Coupled Model Intercomparison Project (CMIP5/6) in reproducing the temporal and spatial characteristics of the Interdecadal Pacific Oscillation (IPO) and its impact on global surface air temperature (SAT), surface equivalent potential temperature (Thetae_sfc) and precipitation. The IPO index time series simulated by CMIP5/6 models deviated from observations and struggled to capture the phase evolution characteristics of the IPO. Nevertheless, CMIP5/6 models successfully captured the horseshoe‐shaped sea surface temperature anomaly in the Pacific. Additionally, the CMIP5/6 models were able to simulate the IPO's 10–30‐year period. Notably, the simulated IPO index exhibited a statistically significant upward trend, which was absent in observations. Additionally, the IPO‐related global land SAT, Thetae_sfc and precipitation simulated by CMIP5/6 models performed differently in boreal winter and boreal summer. Furthermore, the IPO‐related global land SAT performed better in CMIP5/6 models during boreal winter than that in boreal summer. In CMIP6 models, it improved during both boreal winter and summer compared to CMIP5 models. In terms of the IPO‐related global land Thetae_sfc, CMIP5/6 models also performed better during boreal winter than in boreal summer. However, CMIP5 models outperformed CMIP6 models during the boreal summer. In terms of the IPO‐related global land precipitation, CMIP5/6 models performed better during boreal summer compared to boreal winter. Moreover, the IPO‐related global land precipitation in CMIP6 models improved significantly in boreal winter, but almost the same in boreal summer, compared to CMIP5 models. Further studies showed that the enhancements in simulating IPO's spatial pattern did not correspond to improvements in the model's ability to simulate IPO's global teleconnections.

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Synergistic interdecadal effects of the North Pacific and North Atlantic SST on precipitation over eastern China as revealed in the ECHAM5 simulations

Wu,

Zhang,

Zhi

et al. 2024

Clim Dyn

View full text Add to dashboard Cite

Synergistic Interdecadal Evolution of Precipitation over Eastern China and the Pacific Decadal Oscillation during 1951–2015

Cited by 5 publications

References 64 publications

Synergistic Interdecadal Effects of the North Pacific and North Atlantic SST on Precipitation over eastern China as revealed in the ECHAM5 simulations

Synergistic Interdecadal Effects of the North Pacific and North Atlantic SST on Precipitation over eastern China as revealed in the ECHAM5 simulations

Performance of CMIP5 and CMIP6 models in reproducing the Interdecadal Pacific Oscillation and its global impacts

Synergistic interdecadal effects of the North Pacific and North Atlantic SST on precipitation over eastern China as revealed in the ECHAM5 simulations

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