Copter-Type UAV-Based Sensing in Atmospheric Chemistry: Recent Advances, Applications, and Future Perspectives

Area of Science:

• Atmospheric Chemistry
• Environmental Science
• Remote Sensing

Background:

• Unmanned aerial vehicles (UAVs) are increasingly utilized in environmental research.
• Copter-type UAVs provide cost-effective and rapid atmospheric sensing capabilities.

Purpose of the Study:

• To review recent advancements in UAV applications for atmospheric chemistry.
• To explore future prospects and challenges of UAVs in atmospheric research.

Main Methods:

• Review of existing literature on UAV-based atmospheric sensing techniques.
• Analysis of UAV capabilities in characterizing gaseous pollutants and particulate matter.
• Examination of diverse applications including emission characterization and hazard assessment.

Main Results:

• UAVs effectively characterize spatial distribution of gaseous pollutants using real-time and offline methods.
• UAVs provide insights into physicochemical properties, sources, and impacts of airborne particulate matter.
• UAVs are valuable for emission characterization, hazard assessment (wildfires, volcanic plumes), and climate research (aerosol-cloud interactions).

Conclusions:

• UAVs are transforming atmospheric chemistry by providing high-resolution spatial data.
• Advancements in UAV technology enhance understanding of atmospheric processes and environmental monitoring.
• Key challenges include payload, battery life, regulations, and propeller disturbances, with emerging directions in biosphere-atmosphere interactions and indoor air quality.