Meng et al. (2026) Synergistic Effects of the Westerly and Asian Monsoon on Summer Rainfall in the Tarim Basin of Northwest China Under Different Climate Backgrounds

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Identification

• Journal: International Journal of Climatology
• Year: 2026
• Date: 2026-08-16
• Authors: Lixia Meng, Qiang Zhang, Shujuan Hu
• DOI: 10.1002/joc.70551

Research Groups

• Japan Meteorological Agency (JMA)
• China Meteorological Administration (CMA)

Short Summary

This study investigates the synergistic effects of the westerly and Asian monsoon on summer rainfall in the Tarim Basin, Northwest China, using 55-year reanalysis data from JRA-55 and monthly rainfall observations from 28 meteorological stations.

Objective

• Investigate the impact of atmospheric circulation patterns on summer rainfall in the Tarim Basin over a period of 61 years (1961-2022).

Study Configuration

• Spatial Scale: Regional scale, focusing on the Tarim Basin in Northwest China.
• Temporal Scale: Annual and interdecadal scales, with a focus on two distinct periods: 1961-1987 (dry) and 1988-2022 (wet).

Methodology and Data

• Models used: Japanese 55-year Reanalysis (JRA-55)
• Data sources: Monthly rainfall data from 28 meteorological stations across the Tarim Basin, extracted by the China Meteorological Data Network.

Main Results

• Summer rainfall in the Tarim Basin has experienced a significant interdecadal increase over the past several decades.
• Two distinct periods are identified: A dry period (1961-1987) and a wet period (1988-2022).
• The westerly, as indicated by the Silk Road Pattern (SRP), correlates well with summer rainfall in both periods.
• The South Asian summer monsoon (SASM) is only well related to summer rainfall in the dry period.

Contributions

• This study provides new insights into the synergistic effects of atmospheric circulation patterns on summer rainfall in the Tarim Basin, highlighting the importance of considering multiple climate drivers.
• The findings have implications for understanding regional climate variability and predicting future changes in precipitation patterns.

Funding

• Not specified

Citation

@article{Meng2026Synergistic,
  author = {Meng, Lixia and Zhang, Qiang and Hu, Shujuan},
  title = {Synergistic Effects of the Westerly and Asian Monsoon on Summer Rainfall in the Tarim Basin of Northwest China Under Different Climate Backgrounds},
  journal = {International Journal of Climatology},
  year = {2026},
  doi = {10.1002/joc.70551},
  url = {https://doi.org/10.1002/joc.70551}
}