UAV-Based Characteristic Detection of Near-Surface Layer Aerosol over Da Qaidam Area

Yang Wu; Tao Luo; Changyu Liu; Kun Zhang; Feifei Wang; Nana Liu; Xuebin Li; Ruizhong Rao

doi:10.3788/AOS202242.0601003

Acta Optica Sinica, Volume. 42, Issue 6, 0601003(2022)

UAV-Based Characteristic Detection of Near-Surface Layer Aerosol over Da Qaidam Area

Yang Wu^1,2,4, Tao Luo^2,3,4、*, Changyu Liu^2,3,4,5, Kun Zhang^1,2,4, Feifei Wang^2,3,4, Nana Liu^2,4, Xuebin Li^2,3,4, and Ruizhong Rao^1,2,3,4

Author Affiliations

¹School of Environmental Science and Optoelectronic Technology, University of Science and Technology of China, Hefei, Anhui 230026, China

²Key Laboratory of Atmospheric Optics, Anhui Institute of Optics and Fine Mechanics, HFIPS, Chinese Academy of Sciences, Hefei, Anhui 230031, China

³Science Island Branch of Graduate School, University of Science and Technology of China, Hefei, Anhui 230026, China

⁴Advanced Laser Technology Laboratory of Anhui Province, Hefei, Anhui 230037, China

⁵School of Environment and Energy Engineering, Anhui Jianzhu University, Hefei, Anhui 230601, China

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Figures & Tables(9)

Fig. 1. Picture of POPS instrument and working flow chart^[26]. (a) Overview of POPS core components; (b) working flow chart

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Fig. 2. Land-surface aerosol particle number concentration, visibility, temperature, and relative humidity in Da Qaidam (from 2020-08-18 to 2020-08-20). (a) Aerosol particle number concentration and visibility; (b) temperature and relative humidity

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Fig. 3. Land-surface aerosol particle concentration and wind speed in Da Qaidam (from 2020-08-18 to 2020-08-20)

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Fig. 4. Land-surface aerosol particle number concentration and wind speed before UAV takeoff of each flight

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Fig. 5. Vertical distribution profiles of aerosol particle number concentration, extinction coefficient, temperature, and relative humidity in Da Qaidam. (a) Aerosol particle number concentration;(b) extinction coefficient; (c) temperature; (d) relative humidity

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Table 1. Main performance parameters of UAV

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Table 1. Main performance parameters of UAV

Parameter	Value
Working temperature /℃	-10--40
Working frequency /GHz	2.400--2.483
Takeoff weight /kg	15.5
Hovering accuracy /m	±0.5 (vertical),±2 (horizontal)
Maximum ascent speed /(m·s^-1)	5
Maximum decent speed /(m·s^-1)	3
Maximum horizontal flightspeed /(m·s^-1)	18 (windlessenvironment)
Diagonal distance(including paddle) /mm	1133
Maximum flight altitude /m	4500

Table 2. UAV flight schedule and meteorology in Da Qaidam

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Table 2. UAV flight schedule and meteorology in Da Qaidam

Region	Date	Flight	Time	Weather	Temperature /℃	Relativehumidity /%	Windspeed /(m·s^-1)	Winddirection /(°)
		No. 1	09:21--09:37	Sunny	14.5	59.7	0.88	262.88
		No. 2	11:21--11:32	Sunny	15.5	58.2	1.32	61.49
	2020-08-14	No. 3	11:38--11:49	Sunny, cloudy	16.1	62.1	1.48	66.70
		No. 4	15:11--15:22	Sunny, cloudy	22.5	29.5	1.78	254.78
		No. 5	15:28--15:39	Sunny, cloudy	22.1	34.2	3.48	281.48
Da Qaidam		No. 1	11:10--11:26	Sunny, cloudy	16.0	33.0	5.80	89.06
	2020-08-18	No. 2	16:44--16:54	Sunny, cloudy	20.9	34.5	7.20	263.93
		No. 3	19:59--20:09	Sunny, cloudy	18.1	49.5	3.00	296.67
		No. 1	16:39--16:50	Cloudy	24.3	31.3	4.50	171.85
	2020-08-20	No. 2	17:11--17:21	Cloudy	24.5	32.4	3.50	154.12
		No. 3	19:57--20:08	Cloudy	23.0	45.1	5.00	135.35

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Yang Wu, Tao Luo, Changyu Liu, Kun Zhang, Feifei Wang, Nana Liu, Xuebin Li, Ruizhong Rao. UAV-Based Characteristic Detection of Near-Surface Layer Aerosol over Da Qaidam Area[J]. Acta Optica Sinica, 2022, 42(6): 0601003

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Paper Information

Category: Atmospheric Optics and Oceanic Optics

Received: Aug. 5, 2021

Accepted: Oct. 15, 2021

Published Online: Mar. 8, 2022

The Author Email: Luo Tao (luotao@aiofm.ac.cn)

DOI:10.3788/AOS202242.0601003

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology