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Determination of the Ionospheric Electron Density Profile from FUV Remote Sensing Measurements
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Abstract:A limb viewing model is established in this paper based on GUVI measurements of OI 135.6 nm nightglow and a method with Chapman function describing the distribution of ionospheric electron density is presented to obtain the ionospheric electron density profile. We apply the regularization and Newton iteration method to calculate ionospheric peak electron density and peak height with GUVI measurements, eliminating the ill condition of the weighted matrix. The ionospheric electron density profile is obtained using the calculated peak electron density and peak height as inputs. To evaluate the fidelity of the proposed algorithm in this paper, the retrieved electron density profiles are compared with those from ground‐based observations. The results show that the retrieved electron density profiles agree well with those from ISR. Afterwards, the effects of magnetic storms on EDP are studied with the retrieved EDPs of the period between Sep 29 and Oct 3, 2002.
Title: Determination of the Ionospheric Electron Density Profile from FUV Remote Sensing Measurements
Description:
Abstract:A limb viewing model is established in this paper based on GUVI measurements of OI 135.
6 nm nightglow and a method with Chapman function describing the distribution of ionospheric electron density is presented to obtain the ionospheric electron density profile.
We apply the regularization and Newton iteration method to calculate ionospheric peak electron density and peak height with GUVI measurements, eliminating the ill condition of the weighted matrix.
The ionospheric electron density profile is obtained using the calculated peak electron density and peak height as inputs.
To evaluate the fidelity of the proposed algorithm in this paper, the retrieved electron density profiles are compared with those from ground‐based observations.
The results show that the retrieved electron density profiles agree well with those from ISR.
Afterwards, the effects of magnetic storms on EDP are studied with the retrieved EDPs of the period between Sep 29 and Oct 3, 2002.
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