Abstract
From February 7 to 10, 2018, due to unfavorable meteorological conditions, a process of air pollution occurred in Hefei and its surrounding areas, and moderate to severe pollution occurred in the municipal districts. Aiming at the pollution process in Hefei City, under the leadership of Hefei Environmental Protection Bureau and with the support of Hefei Environmental Protection Sub-bureau, four fixed observation points were selected to carry out all-weather environmental network monitoring pilot projects in Hefei municipal jurisdiction area. At the same time, a "mobile monitoring vehicle of atmospheric environmental pollution" was arranged to conduct all-weather walking observation to real-time monitor the spatial distribution and three-dimensional space of pollutants in Hefei urban area、inter-transport and space subsidence and diffusion. The RaySound Series Portable high-energy high-frequency lidar was used in the environmental networking monitoring in Hefei. The air quality in the observation area was evaluated comprehensively by using the mode of fixed vertical monitoring, plane scanning monitoring and mobile walking monitoring.
Highlights
From February 7 to 10, 2018, due to unfavorable meteorological conditions, a process of air pollution occurred in Hefei and its surrounding areas, and moderate to severe pollution occurred in the municipal districts
As the main reason of air pollution, such as haze, generated by lasers are emitted into the aerosols or suspended particulates, especially atmosphere
Its basic principles can be distribution information of particulate matter expressed by formulas: can not be obtained by ground measurement instruments
Summary
Atmosphere is the mechanism of interaction between laser and atmosphere. Laser beams. As the main reason of air pollution, such as haze, generated by lasers are emitted into the aerosols or suspended particulates, especially atmosphere. When they meet with air molecules, fine particles, have an important impact on air aerosols and other components in the pollution. A matter, some physical and chemical properties small part of the scattered energy (backscattered such as mass and concentration can be obtained light) falls on the receiving telescope field of by ground observation, but the spatial view and is received. Its basic principles can be distribution information of particulate matter expressed by formulas: can not be obtained by ground measurement instruments.
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