Retrieval of Aerosol Particle Size Distribution from Multi-Wavelength Lidar

Xiaotao Li; Dong Liu; Da Xiao; Kai Zhang; Xianzhe Hu; Weize Li; Lei Bi; Wenbo Sun; Lan Wu; Chong Liu; Jiesong Deng

doi:10.3788/AOS231223

Acta Optica Sinica, Volume. 44, Issue 6, 0601013(2024)

Retrieval of Aerosol Particle Size Distribution from Multi-Wavelength Lidar

Xiaotao Li^1,2, Dong Liu^1,2,3,4、*, Da Xiao¹, Kai Zhang¹, Xianzhe Hu¹, Weize Li¹, Lei Bi⁵, Wenbo Sun², Lan Wu¹, Chong Liu¹, and Jiesong Deng¹

Author Affiliations

¹State Key Laboratory of Extreme Photonics and Instrumentation, College of Optical Science and Engineering, Zhejiang University, Hangzhou 310027, Zhejiang , China

²Donghai Laboratory, Zhoushan 316021, Zhejiang , China

³Intelligent Optics & Photonics Research Center, Jiaxing Research Institute, Zhejiang University, Jiaxing 314000, Zhejiang , China

⁴Hangzhou Global Scientific and Technological Innovation Center, Zhejiang University, Hangzhou 311200, Zhejiang , China

⁵Key Laboratory of Geoscience Big Data and Deep Resource of Zhejiang Province, School of Earth Sciences, Zhejiang University, Hangzhou 310027, Zhejiang , China

show less

Abstract Get PDF(in Chinese)

Figures & Tables(6)

Fig. 1. Inversion flow chart of aerosol microphysical properties under a priori model radius constraints

Download full size

Fig. 2. Retrieved aerosol PSD for four aerosols. (a) Urban aerosol; (b) smoke aerosol; (c) marine aerosol; (d) desert dust aerosol

Download full size

Fig. 3. Statistical results of inversion errors of aerosol microphysical properties. (a) Volume concentration $V_{t}$ ; (b) surface area concentration $S_{t}$ ; (c) number concentration $N_{t}$ ; (d) effective radius $r_{e f f}$

Download full size

Table 1. Simulated parameters of bimodal log-normal aerosols

View table

Table 1. Simulated parameters of bimodal log-normal aerosols

Aerosol type	$r_{V, f} / μ m$	$r_{V, c} / μ m$	$σ_{f}$	$σ_{c}$	$C_{V, f} / (μ m^{3} \cdot c m^{- 3})$	$C_{V, c} / (μ m^{3} \cdot c m^{- 3})$	Complex refractive index
Urban	0.14	2.88	0.43	0.79	0.64	0.36	1.40-0.009i
Smoke	0.15	3.70	0.40	0.79	0.70	0.30	1.48-0.017i
Marine	0.16	2.70	0.48	0.68	0.33	0.66	1.36-0.002i
Desert dust	0.14	2.50	0.54	0.60	0.07	0.93	1.52-0.002i

Table 2. MRE between initial size distributions and reconstructed size distributions obtained by two methods

View table

Table 2. MRE between initial size distributions and reconstructed size distributions obtained by two methods

Condition	MRE of urban aerosol /%		MRE of smoke aerosol /%		MRE of marine aerosol /%		MRE of desert dust aerosol /%
Condition	Fine mode	Coarse mode	Fine mode	Coarse mode	Fine mode	Coarse mode	Fine mode	Coarse mode
Unconstrained	20.88	73.27	20.62	80.76	23.03	27.68	16.97	31.18
Constrained	25.99	30.97	17.74	24.31	14.88	7.68	16.46	23.14

Table 3. Parameter range of bimodal log-normal aerosols chosen in simulation tests
View table
Table 3. Parameter range of bimodal log-normal aerosols chosen in simulation tests
Aerosol parameter Range
Real part of refractive index 1.40-1.56
Imaginary part of refractive index 0.001-0.020
$r_{V, f}$ /μm 0.12-0.16
$r_{V, c}$ /μm 2.0-3.2
$σ_{f}$ 0.40-0.48
$σ_{c}$ 0.60-0.80
$V_{f} / V_{c}$ 0.1-2.5

Tools

Get Citation

Copy Citation Text

Xiaotao Li, Dong Liu, Da Xiao, Kai Zhang, Xianzhe Hu, Weize Li, Lei Bi, Wenbo Sun, Lan Wu, Chong Liu, Jiesong Deng. Retrieval of Aerosol Particle Size Distribution from Multi-Wavelength Lidar[J]. Acta Optica Sinica, 2024, 44(6): 0601013

Download Citation

EndNote(RIS)BibTex Plain Text

Set citation alerts for article

Save article for my favorites

Paper Information

Category: Atmospheric Optics and Oceanic Optics

Received: Jul. 3, 2023

Accepted: Sep. 6, 2023

Published Online: Feb. 23, 2024

The Author Email: Liu Dong (liudong@zju.edu.cn)

DOI:10.3788/AOS231223

CSTR:32393.14.AOS231223

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Simulated parameters of bimodal log-normal aerosols

Table 1. Simulated parameters of bimodal log-normal aerosols

Table 2. MRE between initial size distributions and reconstructed size distributions obtained by two methods

Table 2. MRE between initial size distributions and reconstructed size distributions obtained by two methods

Table 3. Parameter range of bimodal log-normal aerosols chosen in simulation tests

Table 3. Parameter range of bimodal log-normal aerosols chosen in simulation tests