What question did this study set out to answer?

This research aims to analyze tropopause height and temperature variations in the upper troposphere and stratosphere over Réunion to assess climate change indicators.

March 7, 2026Annales GeophysicaeOpen Access

Variability and trend analysis of temperature and height in the upper troposphere and stratosphere region over the tropics (Réunion), by combining balloon-sonde and satellite measurements

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Authors

GMGregori de Arruda Moreira HBHassan BencherifCentre National de la Recherche Scientifique TMTristan MilletCentre National de la Recherche Scientifique

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Implication

An analysis compares temperature and tropopause height in the tropics, revealing trends and oscillations.

Key Points

This research aims to analyze tropopause height and temperature variations in the upper troposphere and stratosphere over Réunion to assess climate change indicators.
Combined balloon-sonde and satellite measurements from SHADOZ and COSMIC-1.
Compared these measurements against MERRA-2 reanalysis data.
Assessed trends and variability in temperature and tropopause height over the period from 2006 to 2020.
Utilized Cold Point Temperature (CPT) and Lapse Rate Temperature (LRT) methods for estimation.
Strong agreement found between temperature profiles from SHADOZ and COSMIC-1.
MERRA-2 showed limitations in capturing tropopause height variations due to fixed vertical resolution.
Identified a decreasing trend in Cold Point Temperature (CPT).
Noted a slight increase in Lapse Rate Tropopause (LRT) height.
Annual and semi-annual oscillations significantly influenced tropopause height dynamics.

Cite This Study

Moreira et al. (2026) studied this question.

synapsesocial.com/papers/69abc1e85af8044f7a4eb07f https://doi.org/10.5194/angeo-44-195-2026

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Variability and trend analysis of temperature and height in the upper troposphere and stratosphere region over the tropics (Réunion), by combining balloon-sonde and satellite measurements

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Key Points

Cite This Study

Variability and trend analysis of temperature and height in the upper troposphere and stratosphere region over the tropics (Réunion), by combining balloon-sonde and satellite measurements

Discussion

Member takes

Implication

Key Points

Cite This Study

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