Effect of Aerosol on Polarization Distribution of Sky Light

Yan Cui; Xiguang Zhang; Xinchang Zhou; Yafei Liu; Jinkui Chu

doi:10.3788/AOS201939.0601001

Journals >Acta Optica Sinica >Volume 39 >Issue 6 >Page 0601001 > Article

Acta Optica Sinica
Vol. 39, Issue 6, 0601001 (2019)

Effect of Aerosol on Polarization Distribution of Sky Light

Yan Cui^*, Xiguang Zhang, Xinchang Zhou, Yafei Liu, and Jinkui Chu

Author Affiliations

Key Laboratory of Precision & Non-Traditional Machining of Ministry of Education, Dalian University of Technology, Dalian, Liaoning 116024, China

show less

DOI: 10.3788/AOS201939.0601001 Cite this Article Set citation alerts

Yan Cui, Xiguang Zhang, Xinchang Zhou, Yafei Liu, Jinkui Chu. Effect of Aerosol on Polarization Distribution of Sky Light[J]. Acta Optica Sinica, 2019, 39(6): 0601001 Copy Citation Text

show less

Fig. 1. Degree of polarization of meridian versus observation altitude angle under different aerosol types

Download full size

Fig. 2. Angle of polarization of meridian versus observation altitude angle under different aerosol types

Download full size

Fig. 3. Degree of polarization of meridian versus observation altitude angle at different test time

Download full size

Fig. 4. Angle of polarization of meridian versus observation altitude angle at different test time

Download full size

Fig. 5. Structural diagram of image measuring system

Download full size

Fig. 6. Polarization distribution patterns from actual test. (a)(d)(g) Original images; (b)(e)(h) patterns of degree of polarization; (c)(f)(i) patterns of angle of polarization

Download full size

Aerosol type	Component	N_i /cm^-3	M_i /(μg·m^-3)	Number mixing ratio n_j	Mass mixing ratio m_j
	Total	2600	8.8	-	-
Continental clean	Water soluble	2600	5.2	1	0.591
	Insoluble	0.15	3.6	0.577×10^-4	0.409
	Total	15300	24	-	-
Continental	Water soluble	7000	14	0.458	0.583
average	Insoluble	0.4	9.5	0.261×10^-4	0.396
	Soot	8300	0.5	0.542	0.021
	Total	50000	47.7	-	-
Continental	Water soluble	15700	31.4	0.314	0.658
polluted	Insoluble	0.6	14.2	0.12×10^-4	0.298
	Soot	34300	2.1	0.686	0.044
	Total	158000	99.4	-	-
Urban	Water soluble	28000	56	0.177	0.563
	Insoluble	1.5	35.6	0.949×10^-5	0.358
	Soot	130000	7.8	0.823	0.079
	Total	2300	225.8	-	-
	Water soluble	2000	4	0.87	0.018
Desert	Mineral (nuc.)	269.5	7.5	0.117	0.033
	Mineral (acc.)	30.5	168.7	0.0133	0.747
	Mineral (coa.)	0.142	45.6	0.617×10^-4	0.202
	Total	1520	42.5	-	-
Maritime	Water soluble	1500	3	0.987	0.071
clean	Sea salt (acc.)	20	38.6	0.0132	0.908
	Sea salt (coa.)	3.2×10^-3	0.9	0.211×10^-5	0.021
	Total	9000	47.4	-	-
Maritime	Water soluble	3800	7.6	0.422	0.16
polluted	Sea salt (acc.)	20	38.6	0.222×10^-2	0.814
	Sea salt (coa.)	3.2×10^-3	0.9	0.356×10^-6	0.019
	Soot	5180	0.3	0.576	0.006
	Total	600	20.8	-	-
Maritime	Water soluble	590	1.2	0.983	0.058
tropical	Sea salt (acc.)	10	19.3	0.0167	0.928
	Sea salt (coa.)	1.3×10^-3	0.3	0.217×10^-5	0.014

Table 1. Compositions of aerosol types

Time	Altitude angle /(°)	Azimuthal angle /(°)
2018-10-17T10:00	35.73	-30.32
2018-10-17T11:00	40.00	-12.38
2018-10-17T12:00	40.55	6.97
2018-10-17T13:00	37.27	25.50
2018-10-17T14:00	30.80	41.55
2018-10-17T15:00	22.08	54.88
2018-10-17T16:00	11.93	66.10

Table 2. Positions of sun

Time	M_i of PM10 /(μg·m^-3)	M_i of PM2.5 /(μg·m^-3)	Time	M_i of PM10 /(μg·m^-3)	M_i of PM2.5 /(μg·m^-3)
2018-10-17T10:002018-10-17T11:002018-10-17T12:002018-10-17T13:002018-10-17T14:002018-10-17T15:002018-10-17T16:002019-01-05T10:00	2828303127272853	109101199928	2019-01-05T11:002019-01-05T12:002019-01-05T13:002019-01-07T10:002019-01-07T11:002019-01-07T12:002019-01-07T13:00	454444991039994	21212065666359

Table 3. Test time and atmospheric conditions

Yan Cui, Xiguang Zhang, Xinchang Zhou, Yafei Liu, Jinkui Chu. Effect of Aerosol on Polarization Distribution of Sky Light[J]. Acta Optica Sinica, 2019, 39(6): 0601001

Download Citation

Set citation alerts for the article

Tools

Set citation alerts for the article

Save the article for my favorites

Paper Information