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Fig. 1 | Earth, Planets and Space

Fig. 1

From: Problems with mapping the auroral oval and magnetospheric substorms

Fig. 1

Location of a the AOP, DAZ, and SDP regions, and b the global distribution of ion pressures during quiet conditions. a Location of the AOP (green), DAZ (blue), and SDP (red) regions, and b the global distribution of ion pressure in the range 0.3–30 keV at ionospheric altitudes of around 110 km, obtained using data from the DMSP satellites for very quiet geomagnetic conditions of AL = −100 nT and Dst = −5 nT

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