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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">cheb</journal-id><journal-title-group><journal-title xml:lang="ru">Чебышевский сборник</journal-title><trans-title-group xml:lang="en"><trans-title>Chebyshevskii Sbornik</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2226-8383</issn><publisher><publisher-name>Tula State Lev Tolstoy  Pedagogical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.22405/2226-8383-2018-19-4-91-102</article-id><article-id custom-type="elpub" pub-id-type="custom">cheb-446</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Article</subject></subj-group></article-categories><title-group><article-title>Численное моделирование параметров полярной ионосферы</article-title><trans-title-group xml:lang="en"><trans-title>Numerical modeling of the polar ionosphere parameters</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лукьянова</surname><given-names>Р. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Lukyanova</surname><given-names>R. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Лукьянова Рената Юрьевна — доктор физико-математических наук, главный научный сотрудник</p></bio><bio xml:lang="en"><p>Lukyanova Renata Yurievna — D.Sc., Principal research scientist</p></bio><email xlink:type="simple">r.lukianova@gcras.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Геофизический центр РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Geophysical Center RAS</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>04</day><month>11</month><year>2018</year></pub-date><volume>19</volume><issue>4</issue><fpage>91</fpage><lpage>102</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Лукьянова Р.Ю., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Лукьянова Р.Ю.</copyright-holder><copyright-holder xml:lang="en">Lukyanova R.Y.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.chebsbornik.ru/jour/article/view/446">https://www.chebsbornik.ru/jour/article/view/446</self-uri><abstract><p>В статье дается обзор разработанных трех численных моделей для расчета электродинамических параметров высокоширотной ионосферы Земли. Модель глобального распределения ионосферного электрического потенциала, построенная на основе решения краевой задачи о растекании ионосферных токов, позволяет рассчитать траектории конвекции ионосферной плазмы в северном и южном полушариях. Модель высокоширотной ионосферы позволяет оперативно рассчитывать трехмерную структуру электронной плотности в диапазоне высот 120-500 км при различных гелио-геофизических условиях. Учитывается определяющая роль электрических полей магнитосферного происхождения. Концентрация основных ионосферных ионов определяется решением уравнения фотохимического баланса и конвективно-диффузионного уравнения вдоль траектории конвекции плазменных трубок с учётом параметров термосферы. Разработана методика и алгоритмы численного расчета распределения магнитного поля над ионосферой, которое создается электрическими токами магнитосферного происхождения. Модель базируется на решении уравнения для векторного магнитного потенциала и позволяет рассчитать двумерную картину магнитных вариаций.</p></abstract><trans-abstract xml:lang="en"><p>An overview of the three numerical models for calculating the electrodynamic parameters of the Earth’s high-latitude ionosphere is presented. The model of the global distribution of the ionospheric electric potential, constructed on the basis of the solution of the boundary value problem on the spreading of ionospheric currents, makes it possible to calculate the trajectories of convection of the ionospheric plasma in the northern and southern hemispheres. The model of the high-latitude ionosphere allows calculating the three-dimensional structure of the electron density in the altitude range of 120-500 km under various helio-geophysical conditions. Importance of the electric fields of magnetospheric origin is stressed. Concentration of the main ionospheric ions is determined by the solution of the photochemical balance equation and the convective-diffusion equation along the trajectory of the plasma tube convection, taking into account the parameters of the thermosphere. A methodology and algorithms for calculating the distribution of magnetic field over the ionosphere, which is created by electric currents of magnetospheric origin, are developed. The model is based on the solution of the equation for the vector magnetic potential and makes it possible to calculate a two-dimensional picture of the magnetic variations.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Ионосфера</kwd><kwd>Электродинамика</kwd><kwd>Электронная плотность</kwd><kwd>Численное моделирование</kwd><kwd>Дифференциальные уравнения</kwd><kwd>Итерационные методы</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Российский научный фонд, проект 16-17-00121</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Heppner J.P. Maynard N.C. Empirical high-latitude electric field model // J.Geophys.Res. 1987. Vol. A2, № 5, Р.4467-4489.</mixed-citation><mixed-citation xml:lang="en">Heppner J.P. Maynard N.C. 1987, "Empirical high-latitude electric field model", J. Geophys. Res. 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