Applications of Remote Sensing in Monitoring Ionospheric Physics and Ionospheric Weather Forecasting

Dear Colleagues,

The ionosphere, where the atoms and molecules are partly ionized by solar radiation, is an important significant part of Earth’s upper atmosphere. The free electrons in the ionosphere can significantly affect the propagation of radio waves. The ionosphere plays a critical role in communications and navigation systems in our daily life. Therefore, understanding the ionosphere is of great importance for human activities. The ionosphere has strong temporal and spatial variability. It is coupled downward to the lower atmosphere and upward to the magnetosphere. Therefore, the ionosphere is not only affected by solar activities, but also by the lower atmospheric waves and geomagnetic disturbances. The ionosphere is also controlled by photochemical process, dynamic process, and electrodynamic process. As a result, there are many open questions in ionospheric community, such as the day-to-day variation of the ionosphere, ionospheric irregularities, ionospheric longitudinal structure, the forecasting of the ionosphere, ionospheric storms, etc.

With the development of modern techniques, there are many ways for remote sensing of the ionosphere, such as ionosondes, radars, radio occultations, GNSS receivers, and airglow observations from the ground and spacecraft, etc., to help us further understand the ionosphere. It will facilitate uncovering the physical mechanisms of ionospheric regular and irregular variations.

In this Special Issue, we aim to improve the understandings of ionospheric physics and ionospheric weather by applications of remote sensing of the ionosphere. Both original research and review papers are welcome.

We encourage contributions to topics including but not limited to:

• Diurnal and seasonal variations in the ionosphere
• Ionospheric irregularities
• Ionospheric modeling
• Ionospheric data assimilation
• Ionosphere-Thermosphere coupling
• Traveling ionospheric disturbances
• Ionospheric response to geomagnetic storms
• Remote sensing by radio waves and optical imaging
• Ionospheric weather

Dr. Chunhua Jiang
Dr. Huijun Le
Dr. Ercha Aa
Dr. Zheng Li
Guest Editors

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