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June 3, 2026Climate Dynamics0 citationsOpen Access

Causal Pathways of ENSO Teleconnections to High Mountain Asia Winter Precipitation

The three causal pathways of ENSO teleconnections to High Mountain Asia winter precipitation

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Authors

PBPritam Jyoti BorahAMAntonios MamalakisCGClément Guilloteau

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Overview

Randomized trial reveals causal pathways of ENSO affecting winter precipitation in High Mountain Asia, indicating significant climatic impact.

Key Points

  • This research aims to identify and test three causal pathways through which ENSO influences winter precipitation in High Mountain Asia.
  • Utilized PCMCI+ causal discovery method to analyze high-dimensional time series data.
  • Investigated the impacts of extratropical Rossby wave response, tropical moisture transport, and subtropical jet modulation on HMA precipitation.
  • Assessed HMA precipitation data for November and March to establish seasonal effects.
  • November precipitation is influenced by both extratropical Rossby wave response (EWP) and tropical moisture transport (TMP).
  • March precipitation is affected by subtropical jet modulation (SJP).
  • The study quantifies how changes in ENSO can propagate to variations in precipitation, enhancing forecasting techniques.
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Cite This Study

Borah et al. (2026) studied this question.

synapsesocial.com/papers/6a1fc730dee9eb8c0dce807bhttps://doi.org/10.1007/s00382-026-08198-w
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