Vertical detection technology for atmospheric pollution in terrestrial boundary layer

[ China Instrumentation Network Instrument Development ] Recently, the National Key Research and Development Program of the Institute of Atmospheric Physics of the Chinese Academy of Sciences, “Vertical Detection Technology for Atmospheric Pollution in the Terrestrial Boundary Layer”, launched a large-scale atmospheric boundary layer pollution enhancement observation experiment in Wangdu County, Hebei Province.

“Vertical detection technology for atmospheric pollution in terrestrial boundary layers” is mainly based on new technologies such as foundations, tower foundations, boat bases and aircraft observations, and multi-data fusion and normalization platforms for key meteorological elements and major pollutants in the atmospheric boundary layer. Innovative research. The project leader is Hu Fei, a researcher at the International Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of Sciences. The joint units of the project are Peking University, Hefei Institute of Material Science, Chinese Academy of Sciences, Beijing Meteorological Institute of China Meteorological Administration, Zhongshan University, China Environmental Monitoring Center, Shanghai Environmental Monitoring Center, Shenzhen Environmental Monitoring Center Station, Nanjing University and Nanjing Information Nine units of the Engineering University.

The observational test of the project is expected to last for about 10 days. The main detection platform is a large-scale mooring motorboat of 32 meters long and 1900 cubic meters. The boat is loaded with sulfur dioxide, nitrogen dioxide, ozone, carbon monoxide, PM2.5 and total volatility. Organic matter, as well as atmospheric pollution observation instruments such as aerosol mass spectrometry, particle size spectrum, black carbon and particulate matter counting, are also equipped with meteorological observation instruments such as wind speed, wind direction, temperature, humidity, air pressure, three-dimensional turbulent pulsating wind speed and pulsating temperature.

In this observation test, the new ozone laser radar, nitrogen dioxide laser radar, high-altitude turbulent ultrasonic anemometer detection system and vorticity-related PM2.5 湍 flux observation system independently developed by the project are all debuted, based on independent research and development. The “soft tower” gradient observation system of the motorboat aerostat platform is also planned to carry out observation experiments in the later stage of the experiment.

According to the person in charge, this test will help the comparison and verification of different air pollution detection equipment, data quality control, data fusion and normalization, standardization research, and the development of air pollution mode, and provide vertical detection technology for air pollution in China. Contribution to the development of scientific research.

(Source: Journal of Chinese Academy of Sciences, Institute of Atmospheric Physics, Chinese Academy of Sciences, School of Atmospheric Sciences, Sun Yat-Sen University)