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July 9, 2026Journal of Applied Geodesy0 citations

Analysis of Vertical Atmospheric Disturbances Induced by Volcanic Eruptions Using GNSS and...

Analysis of vertical atmospheric disturbances induced by volcanic eruptions using GNSS CORS and TROPOMI data

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Authors

FSFajar SetiawanGWGede Gangga WisnamaFPFira Anggielia Purwanto

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Overview

Randomized trial analyzes atmospheric changes from eruptions at Indonesian volcanoes, highlighting the importance for disaster response.

Key Points

  • The study aims to evaluate the atmospheric changes caused by volcanic eruptions using GNSS and TROPOMI data.
  • Analyzed data from three active volcanoes in Indonesia.
  • Combined GNSS data and TROPOMI satellite imagery for analysis.
  • Focused on fluctuations in total electron content, precipitable water vapor, zenith hydrostatic delay, and sulfur dioxide distribution.
  • Mount Lewotobi Laki-laki's eruption showed significant ionospheric disturbances with ∼8 TECU fluctuations (peak 3-5 TECU).
  • ZHD remained stable across all eruptions, indicating minimal impact from dry air components.
  • SO2 levels peaked at 255.593 × 10 −4 mol/m2 during Lewotobi's eruption, serving as a key indicator of volcanic activity.

Cite This Study

Setiawan et al. (2026) studied this question.

synapsesocial.com/papers/6a4f3b782b81a944af575540https://doi.org/10.1515/jag-2026-0019
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