New research expands role of Dunia magnetic field. In addition to protecting Ardhi from harmful charged particles in incoming solar wind, it also controls how the nishati generated (by charged particles in solar winds) is distributed between two the poles. There is northern preference meaning more energy is diverted to magnetic north pole than magnetic south pole.
Ardhi’s magnetic field, formed due to flow of superheated liquid iron in the outer core of Ardhi below 3000 km from the surface plays very important role in our life. It deflects the stream of charged particles emanating from the Sun away from the Ardhi thus shielding life from the harmful effects of ionising upepo wa jua.
When the electrically charged particles in the solar wind flows in the atmosphere, they generate energy. This terrestrial electromagnetic energy is hitherto understood to be symmetrically distributed between north and south poles. However, new research using the data from the Swarm satellite in polar low-Ardhi obiti (LEO) at an altitude of around 450 km, has shown that this is not the case. The energy is preferentially distributed to the north pole. This asymmetry of northern preference means more of terrestrial electromagnetic energy heads towards magnetic north pole than towards magnetic south pole.
Uwanja wa sumaku wa dunia kwa hivyo, pia ina jukumu la usambazaji na uelekezaji wa nishati ya sumakuumeme ya duniani (inayozalishwa kutokana na kuingia kwa chembe zinazochajiwa na umeme) katika angahewa.
Mionzi ya ionizing katika nishati ya jua upepo unajulikana kuwa na uwezo wa kusababisha uharibifu kwa mitandao ya mawasiliano, mifumo ya urambazaji inayotegemea satelaiti na gridi za umeme. Uelewa bora wa ya dunia uga wa sumaku utasaidia katika kupanga usalama na ulinzi dhidi ya upepo wa jua.
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Chanzo (s):
1. Pakhotin, IP, Mann, IR, Xie, K. et al. Upendeleo wa Kaskazini kwa pembejeo ya nishati ya sumakuumeme duniani kutoka hali ya hewa ya anga. 08 Januari 2021. Hali Mawasiliano juzuu ya 12, Nambari ya kifungu: 199 (2021). DOI: https://doi.org/10.1038/s41467-020-20450-3
2. ESA 2021. Maombi: Nishati kutoka kwa upepo wa jua hupendelea kaskazini. Ilichapishwa tarehe 12 Januari 2021. Inapatikana mtandaoni kwa https://www.esa.int/Applications/Observing_the_Earth/Swarm/Energy_from_solar_wind_favours_the_north Ilifikiwa tarehe 12 Januari 2021.
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