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Progress in Earth and Planetary Science
Fig. 1 | Progress in Earth and Planetary Science

Fig. 1

From: Relationship between day-to-day variability of equatorial plasma bubble activity from GPS scintillation and atmospheric properties from Ground-to-topside model of Atmosphere and Ionosphere for Aeronomy (GAIA) assimilation

Fig. 1

Cross-correlation between day-to-day variability of OLR cloud-top temperature T bb and GPS scintillation index S4 observed at Kototabang (0.2 S, 100.8 E). This figure is taken from Fig. 3 of Ogawa et al. (2009). The observation period is March and April 2003. The red star (★) indicates the location of Kototabang, where GPS scintillation measurements were performed. The circle around the red star shows the relevant area of S4. T bb data are taken hourly, and the correlation is obtained for each hour. Local time at Kototabang is 7 h ahead of UT. “A” and “B” indicate high positive and negative enhancement of correlation coefficients, respectively

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