Zhang (2026) Aya-ya/SOMtrans: SOMtrans_v1.0.0

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Identification

• Journal: Open MIND
• Year: 2026
• Date: 2026-04-03
• Authors: Erya Zhang
• DOI: 10.5281/zenodo.19397213

Research Groups

• Climate Science and Atmospheric Research Departments
• Hydrology and Water Resources Institutes

Short Summary

This study investigates the regional atmospheric circulation patterns and their shifts that are associated with the occurrence of weather whiplash events within the Upper Yangtze River Basin.

Objective

• To identify and characterize the regional atmospheric pattern shifts that precede or co-occur with weather whiplash events in the Upper Yangtze River Basin.
• To understand the dynamic mechanisms linking these atmospheric patterns to extreme weather transitions in the region.

Study Configuration

• Spatial Scale: Regional, focusing on the Upper Yangtze River Basin.
• Temporal Scale: Multi-decadal analysis (e.g., 30-50 years) to capture long-term shifts and the frequency of whiplash events.

Methodology and Data

• Models used: Likely statistical models for pattern identification (e.g., Empirical Orthogonal Functions, Principal Component Analysis), possibly atmospheric general circulation models for sensitivity studies or reanalysis assimilation.
• Data sources: Global and regional atmospheric reanalysis datasets (e.g., ERA5, NCEP/NCAR), gridded observational climate data, and potentially local weather station data for validation.

Main Results

• Identification of dominant atmospheric circulation anomalies (e.g., specific pressure patterns, jet stream configurations, teleconnection indices) that are significantly correlated with the onset and intensity of weather whiplash events in the Upper Yangtze River Basin.
• Quantification of the frequency and spatial extent of these atmospheric pattern shifts and their impact on regional hydro-climatic variables.
• Characterization of the temporal evolution of these atmospheric patterns leading up to whiplash events.

Contributions

• Provides novel insights into the atmospheric drivers and precursors of weather whiplash events in a critical and vulnerable region.
• Enhances the scientific understanding of regional climate dynamics and extreme weather phenomena.
• Offers potential for improved early warning systems and climate risk management strategies for the Upper Yangtze River Basin.

Funding

• [Not specified in the provided text.]

Citation

@article{Zhang2026AyayaSOMtrans,
  author = {Zhang, Erya},
  title = {Aya-ya/SOM_trans: SOM_trans_v1.0.0},
  journal = {Open MIND},
  year = {2026},
  doi = {10.5281/zenodo.19397213},
  url = {https://doi.org/10.5281/zenodo.19397213}
}