DETECTION OF UPPER ATMOSPHERIC WAVES USING GNSS RADIO OCCULTATION TECHNIQUES
DOI:
https://doi.org/10.71465/jgs34Keywords:
GNSS Radio Occultation, Gravity Waves, Atmospheric Refractivity, Upper Atmospheric DynamicsAbstract
Upper atmospheric waves, including gravity waves and planetary-scale disturbances, play a vital role in energy and momentum transport within the thermosphere and ionosphere. This study employs Global Navigation Satellite System (GNSS) radio occultation (RO) techniques to detect and characterize these wave patterns in the upper atmosphere over South Asia, with a specific focus on Pakistan. Using data from COSMIC-2 and FORMOSAT-7 (2019–2023), vertical temperature perturbations and refractivity profiles were analyzed to extract wave parameters. Results indicate prominent quasi-periodic fluctuations in temperature and refractivity, with clear seasonal and latitudinal patterns. The findings validate GNSS-RO as a precise tool for atmospheric wave detection and support ongoing efforts to improve thermosphere-ionosphere modeling.
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Copyright (c) 2025 Dr. Mehwish Tariq (Author)
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All articles published in the Journal of Geospace Science (JOGSS) are licensed under the Creative Commons Attribution 4.0 International License (CC BY 4.0). This license allows others to share, copy, distribute, and adapt the work, provided proper attribution is given to the original author(s) and source.