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Intra-seasonal rainfall variability in the Amazon basin related to large-scale circulation patterns: a focus on western Amazon–Andes transition region
- - Nine circulation patterns, referred to as CPs, were identified to characterize intra-seasonal precipitation variability in the Amazon basin.
- - We employed an unsupervised machine learning technique known as Self-Organizing Map (SOM) to cluster daily low-level wind data from ERA-Interim reanalysis.
- - We found a consistent correspondence of rainfall patterns to the identified CPs across various precipitation datasets, including TRMM-3B42, 2A25-PR, HOP, and CHIRPS.
- - Our focus on the western Amazon region highlights CP4 and CP5 as significant drivers of wet and dry spells, respectively.
- Read the full article here: https://rmets.onlinelibrary.wiley.com/doi/full/10.1002/joc.5341