The Chinese Academy of Sciences' Institute of Atmospheric Physics announced on September 9 that it has developed a cutting-edge atmospheric detection system capable of continuous, multi-element vertical observations from the Earth's surface up to an altitude of 100 kilometers. This advanced system is expected to significantly boost China’s capabilities in atmospheric environmental monitoring and provide high-quality data for weather forecasting, disaster prevention, and scientific research.
According to reports, this system, known as the "multi-band, multi-atmospheric active and passive integrated detection system" (APSOS), can collect detailed vertical data on atmospheric temperature, humidity, wind patterns, greenhouse gases, pollutants, clouds, and aerosols. It enables comprehensive research into the structure, movement, and transport of atmospheric components. Lv Daren, the project leader and a member of the Chinese Academy of Sciences, stated that APSOS is currently among the most advanced systems globally. He noted that while existing satellite and ground-based observation methods have limitations, there is a growing need to enhance our ability to predict and understand atmospheric changes.
Obtaining continuous, long-term data from 30 to 100 kilometers above the Earth is particularly challenging, yet crucial for understanding the impacts of climate change, environmental shifts, and human activities. APSOS uses advanced technologies that combine active and passive optical systems with microwave remote sensing, covering a wide spectrum from ultraviolet to infrared and from terahertz to millimeter waves. The system’s integration allows for future expansion into areas such as meteorological observation, environmental monitoring, and space security.
Additionally, the development of the mobile version of APSOS will offer valuable technical insights and experience for China’s independent development of space-based atmospheric detection equipment. As one of the first major scientific instruments supported by the National Natural Science Foundation of China, APSOS has already completed its comprehensive testing in Huainan, Anhui Province, and is set to be deployed at the Yangbajing International Cosmic Ray Observatory in Tibet soon.
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