Land and Ocean Disaster Monitoring Based on Navigation Satellite Systems

Dear Colleagues,

Currently, there are over 100 operational navigation satellites in space, which belong to the four global navigation satellite systems (China’s BDS, the EU’s Galileo, Russia’s GLONASS, and the USA’s GPS), India’s IRNSS, and Japan’s QZSS. Although these satellites were built and are managed by different countries and are located on three different types of orbits (MEO, GEO, and IGSO), they all transmit L-band radio signals with frequencies mainly between 1.2 and 1.6 GHz. These signals are precious resources which are not only used for positioning, navigation, and timing, but also for remote sensing. As the two remote sensing technologies derived from navigation satellite systems, GNSS radio occultation (GNSS-RO) and GNSS reflectometry (GNSS-R) have been extensively investigated for sensing atmosphere and earth surface over the past several decades. The precise position measurements provided by ground-based GNSS receivers have also been utilized for various monitoring applications.

This Special Issue focuses on the use of signals and data recorded by GNSS receivers which can be ground-based, carried by aircrafts, or by satellites for monitoring and warning of land and ocean disasters. There is a range of land and ocean disasters, including earthquakes, volcanoes, landslides, flooding, damaging wave, tsunamis, storm surge, hurricanes/typhoons, and ocean pollution. These disasters, some of which might be associated with human activities, have caused tremendous economic damage and many life losses, as well as great environmental and ecological problems. Although many monitoring and warning systems have been established worldwide, it is important to also make use of navigation satellite systems to achieve efficient and cost-effective solutions to monitor disasters. In fact, a number of systems which use GNSS signals have already been developed for disaster monitoring, including CYGNSS, Bufeng-1, and FY3E. This Special Issue seeks the latest theories and methodologies and software and hardware designs based on navigation satellite systems for disaster monitoring and warning. Topics of interest in this Special Issue include but are not limited to:

• Land disaster monitoring
• Cryosphere disaster monitoring
• Ocean disaster monitoring
• Disaster warning
• Post-disaster services
• Software and hardware design for disaster monitoring
• LEO satellite missions for disaster monitoring
• Experimental campaigns for disaster monitoring

Prof. Kegen Yu
Prof. Weimin Huang
Guest Editors

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