Monitoring vertical variation characteristics of atmospheric particulates under different weather conditions using unmanned aerial vehicle

Yinchi Ma; Wei Wei

doi:10.1117/12.2660313

31 October 2022 Monitoring vertical variation characteristics of atmospheric particulates under different weather conditions using unmanned aerial vehicle

Yinchi Ma, Wei Wei

Author Affiliations +

Proceedings Volume 12457, Second International Conference on Testing Technology and Automation Engineering (TTAE 2022); 124571I (2022) https://doi.org/10.1117/12.2660313
Event: Second International Conference on Testing Technology and Automation Engineering (TTAE 2022), 2022, Changchun, China

Abstract

Using the Grimm small particle monitor equipped with the unmanned aerial vehicle (UAV), the atmospheric particulates at different altitudes in Wuqing District of Tianjin were monitored. The flight tests were carried out under three kinds of weather conditions including severe pollution, moderate pollution, and good. And then the concentration and the vertical variation characteristics of the atmospheric particulates were analyzed separately. The result showed that from the ground to the height of 180m, the concentration of the atmospheric particulates did not change significantly with the altitude. The concentrations of PM2.5, PM10, PM1.0, and the particulates below 1µm showed a high correlation. And their change trends are consistent with the altitude and the time. Under static and stable weather conditions, the atmospheric particulates change rapidly between the height of 180m and 250m. There was a small peak at the height of 400m where the atmospheric particulates fell more than 80 percent. At the same height, the mass concentration and number concentration change trends of different atmospheric particulates are consistent with the time. Under the severe pollution weather condition, the mass concentration and number concentration of the atmospheric particulates were more than twice of those under the moderate pollution weather condition. Under the severe and moderate pollution weather conditions, the mass concentration and number concentration of the atmospheric particulates were one order of magnitude bigger than those under the good weather condition. Under the different weather conditions, the atmospheric particulates are mainly concentrated near the ground (0-200m). The concentrations of the atmospheric particulates were all decreasing and stayed at a low level between the height of 300m and 900m.

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Yinchi Ma and Wei Wei "Monitoring vertical variation characteristics of atmospheric particulates under different weather conditions using unmanned aerial vehicle", Proc. SPIE 12457, Second International Conference on Testing Technology and Automation Engineering (TTAE 2022), 124571I (31 October 2022); https://doi.org/10.1117/12.2660313

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KEYWORDS

Atmospheric particles

Pollution

Atmospheric monitoring

Unmanned aerial vehicles

Air contamination

Meteorology

Atmospheric modeling

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