Investigation into AGW/TID generated by atmospheric and geomagnetic storm activity
Abstract
Space-time correlation between atmosphere storms and level of plasma disturbances at the ionospheric heights can be explained by propagation of small- and medium-scale acoustic gravity waves (AGW). This part of AGW spectrum propagates with a large elevation and relatively small horizontal speed and can lead to quick ionospheric reaction on tropospheric disturbances at the not big distances from the AGW sources. Geomagnetic storms manifest themselves through the large-scale AGW propagating towards the equator from auroral ovals. Large-scale AGW are characterized by bigger horizontal and smaller vertical velocities. Due to that the causal relationship between the processes in low and mid atmosphere with ionospheric disturbances provided by large-scale AGW could not be measured. The directions of TID propagation measured in F region are oriented against the prevailing thermospheric winds. That fact indicates the filtering role of the atmosphere concerning to AGW propagation.
Document Details
- Document Type
- Technical Report
- Publication Date
- May 15, 2019
- Accession Number
- AD1077588
Entities
People
- Andriy Zalizovsky
Organizations
- Science and Technology Center in Ukraine