Optical and hygroscopic properties of Asian dust particles based on a horizontal Mie lidar: case study at Hefei, China

Guangyu Bo; Chidong Xu; Aiyue Li; Yanfei Wang; Haiyan Chen; Yuqiang Jiang

doi:doi:10.3788/COL201715.020102

Chinese Optics Letters, 2017, 15 (2): 020102, Published Online: Jul. 26, 2018

Optical and hygroscopic properties of Asian dust particles based on a horizontal Mie lidar: case study at Hefei, China Download： 817次

Guangyu Bo ¹Chidong Xu ^2,*Aiyue Li ²Yanfei Wang ²Haiyan Chen ¹Yuqiang Jiang ¹

Author Affiliations

¹ Institute of Technology Innovation, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China

² Center of Medical Physics and Technology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China

Figures & Tables

Fig. 1. 72 h backward trajectories in Hefei.

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Fig. 2. Time series of the particle mass MC during observation.

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Fig. 3. Temporal evolution of aerosol optical properties and RH during the observation.

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Table1. The Measured Aerosol Optical Properties During the Three Periods

Item		Period I (No Dust Period)	Period II (Pure Dust Period)	Period III (Polluted Dust Period)
DR	Range	0.029–0.1	0.33–0.2	0.09–0.23
DR	Average	$0.064 \pm 0.018$	$0.27 \pm 0.03$	$0.16 \pm 0.03$
AE	Range	0.9–2.2	0.23–0.7	0.55–1.39
AE	Average	$1.35 \pm 0.25$	$0.40 \pm 0.14$	$0.95 \pm 0.23$
Extinction coefficient at 532 nm ( ${km}^{- 1}$ )	Range	0.16–2.02	0.26–0.57	0.23–1.31
Extinction coefficient at 532 nm ( ${km}^{- 1}$ )	Average	$0.66 \pm 0.53$	$0.41 \pm 0.08$	$0.54 \pm 0.24$
Extinction coefficient at 1064 nm ( ${km}^{- 1}$ )	Range	0.04–0.87	0.15–0.47	0.14–0.51
Extinction coefficient at 1064 nm ( ${km}^{- 1}$ )	Average	$0.28 \pm 0.23$	$0.31 \pm 0.07$	$0.27 \pm 0.08$

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Guangyu Bo, Chidong Xu, Aiyue Li, Yanfei Wang, Haiyan Chen, Yuqiang Jiang. Optical and hygroscopic properties of Asian dust particles based on a horizontal Mie lidar: case study at Hefei, China[J]. Chinese Optics Letters, 2017, 15(2): 020102.

Optical and hygroscopic properties of Asian dust particles based on a horizontal Mie lidar: case study at Hefei, China Download： 817次

Fig. 1. 72 h backward trajectories in Hefei.

Fig. 2. Time series of the particle mass MC during observation.

Fig. 3. Temporal evolution of aerosol optical properties and RH during the observation.

Fig. 4. Scatter diagram between the AE and the DR at 532 nm.

Fig. 5. Extinction coefficient in relation to the RH.

Fig. 6. DR and AE in relation to the RH.

Table1. The Measured Aerosol Optical Properties During the Three Periods

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Optical and hygroscopic properties of Asian dust particles based on a horizontal Mie lidar: case study at Hefei, China Download： 817次

Fig. 1. 72 h backward trajectories in Hefei.

Fig. 2. Time series of the particle mass MC during observation.

Fig. 3. Temporal evolution of aerosol optical properties and RH during the observation.

Fig. 4. Scatter diagram between the AE and the DR at 532 nm.

Fig. 5. Extinction coefficient in relation to the RH.

Fig. 6. DR and AE in relation to the RH.

Table1. The Measured Aerosol Optical Properties During the Three Periods

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