AIM-E auroral ionosphere model adjustment for the regular E layer-Reference-Cited by-同舟云学术

AIM-E auroral ionosphere model adjustment for the regular E layer

Published:2021-03-29 Issue:1 Volume:7 Page:41-46
ISSN:2500-0535
Container-title:Solar-Terrestrial Physics
language:en
Short-container-title:

Author:

Nikolaeva Vera¹²,Gordeev Evgeniy³,Rogov Denis¹²,Nikolaev Aleksandr¹

Affiliation:

1. Arctic and Antarctic Research Institute

2. Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation RAS

3. Saint Petersburg State University

Abstract

The E-Region Auroral Ionosphere Model (AIM-E) was developed to determine the chemical composition and electron density in the auroral zone at E-layer heights (90–150 km). Solar and magnetic activity input parameters for AIM-E are the three-hour Ap index and the daily solar radio flux at a wavelength of 10.7 cm (index F10.7). In this paper, we compare AIM-E calculations of the electron density for the daytime with EUV radiation spectrum specified in two different ways: 1) the EUV spectrum theoretically calculated using the F10.7 index as an input parameter; 2) using TIMED satellite direct measurements of the EUV spectrum. We have corrected the EUVAC EUV radiation model to specify a photoionization source in AIM-E. Calculations of regular E-region critical frequencies show good agreement with the vertical sounding data from Russian high-latitude stations. Results we obtained make it possible to do a quick on-line assessment of the regular E layer, using the daily index F10.7 as an input parameter.

Publisher

Infra-M Academic Publishing House

Subject

Space and Planetary Science,Atmospheric Science,Geophysics

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