GLOBAL ELECTRON CONTENT IN SOLAR CYCLES 23 AND 24

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GLOBAL ELECTRON CONTENT IN SOLAR CYCLES 23 AND 24

A.S. Yasyukevich, Yu.V. Yasyukevich, I.V. Zhivetiev.

Using the Global Ionospheric Maps data of total electron content (TEC) we analyze behavior of the

ionospheric global electron content (GEC) during the 23d and 24th solar activity cycles. We examine GEC dynamics as well as its

annual, semiannual and 27-day variations and compare features of the variations in GEC and regional electron content (REC).

REC analyzes is performed for the Baikal, European and Japan regions. General dynamics in REC, GEC and their variations is

shown to repeat the F10.7 solar radio emission changes. Herewith the maximal amplitude of considered variations is observed in

Japan. Dependence of diurnal REC variations amplitude on the F10.7 index is revealed to be close to linear for all the regions

under study, unlike the analogous GEC dependence.

Keywords: ionosphere, global electron content, solar activity.

A.S. Yasyukevich, Yu.V. Yasyukevich, I.V. Zhivetiev. GLOBAL ELECTRON CONTENT IN SOLAR CYCLES 23 AND 24 \\Fizika okolozemnogo kosmicheskogo prostranstva. BShFF-2017. S. 164–166