Thermospheric Dynamics in Quiet and Disturbed Conditions

Aziza Bounhir, Zouhair Benkhaldoun, Jonathan J. Makela, Mohamed Kaab, Brian Harding, Daniel J. Fisher, Amine Lagheryeb, Malki Khalifa, Khaoula Elbouyahyaoui, Mohamed Lazrek, Ahmed Daassou

Research output: Contribution to journalArticlepeer-review

Abstract

This paper presents the thermospheric winds and temperature properties measured with a Fabry-Pérot interferometer (FPI) over Oukaimeden observatory (31.2°N, 7.8°W, 22.8°N magnetic) in Morocco. After Three years of successful functioning from 2014 to 2017, we can address the seasonal behavior of the temperature and the winds (vertical, zonal and meridional). The dependence of the thermospheric winds and temperature on the solar cycle is also presented. The day-To-day variations of the quiet time wind pattern exhibits the importance of other type of waves superposed to the main diurnal tides. The storm time wind and temperature exhibits also a variety of ways to react to the storm. However, there is seasonal effect to the storm that will be illustrated in this paper. The signature of the MTM phenomenon is also present in the winds and temperature in geomagnetically quiet and disturbed nights. The occurrence of this phenomenon over the studied area is also addressed.

Original languageEnglish (US)
Pages (from-to)151-158
Number of pages8
JournalProceedings of the International Astronomical Union
Volume13
Issue numberS335
DOIs
StatePublished - Jan 1 2017

Keywords

  • Fabry-Perrot Interferometer
  • Geomagnetic storm
  • Ionosphere
  • Thermosphere

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Astronomy and Astrophysics
  • Nutrition and Dietetics
  • Public Health, Environmental and Occupational Health
  • Space and Planetary Science

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