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Earth, Planets and Space
Fig. 2 | Earth, Planets and Space

Fig. 2

From: Upward propagation of gravity waves and ionospheric perturbations triggered by the 2022 Hunga-Tonga volcanic eruption

Fig. 2

a Latitude‒time distribution of simulated TEC perturbation along the 175º W longitude sector on 15 January 2022. Units are TECU. A red asterisk indicates the location of the Hunga-Tonga volcano. The TEC variation is shown byy taking the difference of TEC with and without the Hunga-Tonga eruption. b As in (a) but for the surface pressure. Units are hPa. c As in (a) but for the meridional wind perturbation at 50 km. Units are m/s. d As in (a) but for the meridional wind perturbation at 100 km. e As in (a) but for the meridional wind perturbation at 300 km

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