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Fig. 2 | Earth, Planets and Space

Fig. 2

From: Assessing the performance of a Northeast Asia Japan-centered 3-D ionosphere specification technique during the 2015 St. Patrick’s day geomagnetic storm

Fig. 2

Examples of density profiles reconstructed at different ionosonde locations in Japan. The time stamps are indicated at the top of each subplot. The original tomography densities without the assimilation complexity are shown in green. Eminent is the robustness of the modified version (blue) to track the ionosonde measured (red) densities below the 270 km altitude range (purple line)

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