Lower-stratospheric aerosol microstructure investigation with multifrequency lidar

E. V. Makienko; I. E. Naats

doi:10.1364/OL.5.000135

Optics Letters
Vol. 5,
Issue 3,
pp. 135-137
(1980)
•https://doi.org/10.1364/OL.5.000135

Lower-stratospheric aerosol microstructure investigation with multifrequency lidar

E. V. Makienko and I. E. Naats

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E. V. Makienko and I. E. Naats, "Lower-stratospheric aerosol microstructure investigation with multifrequency lidar," Opt. Lett. 5, 135-137 (1980)

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Abstract

The results of investigation of the lower-stratospheric aerosol microstructure by the inverse-problem method based on double-wave lidar sounding data at λ = 0.53 and 0.694 μm are discussed. Assuming the aerosol refractive index in the lower stratosphere to be close to the model values m = 1.43 and κ = 0, the altitude profiles of aerosol microstructure parameters at 14–25-km altitude were determined. An analysis of accuracy characteristics of aerosol microstructure laser sounding of the lower stratosphere is presented.

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Particle Radius	r₀ (μm)	0.1	0.15	0.2	0.4
Estimated Error	∊_s (r ≥ r₀) (%)	20	15	10	20
	∊_N (r ≥ r₀) (%)	40	15	15	20

Altitude Distribution			N (r ≥ r₀) (cm⁻³), r₀(μm)						N (r ≥ 0.15)		S (r ≥ r₀) 10⁻³ (km⁻¹), r₀ (μm)

Z (km)	Mode r_n (μm)		0.15		0.2		0.25		N(r ≥ 0.25)		0.15		∊_s (%)	0.2		∊_s (%)	0.25		∊_s (%)
14.25	0.12	0.07	2.5	5.8	1.9	3.2	1.5	1.7	1.7	3.4	0.88	1.11	21	0.82	0.87	6	0.75	0.63	16
15.75	0.11	0.07	4.3	8.7	3.1	4.8	2.2	2.6	2.0	3.4	1.38	1.66	16	1.27	1.29	2	1.12	0.94	16
17.25	0.11	0.07	5.5	11.2	4.0	6.2	2.8	3.3	2.0	3.4	1.77	2.13	16	1.63	1.66	2	1.44	1.21	16
18.75	0.11	0.07	6.1	12.1	4.4	6.8	3.1	3.7	2.0	3.4	1.98	2.34	15	1.82	1.83	1	1.61	1.35	16
20.25	0.11	0.07	5.5	11.3	4.0	6.2	2.8	3.3	2.0	3.4	1.77	2.15	17	1.63	1.67	3	1.44	1.22	15
21.75	0.22	0.18	0.36	0.45	0.32	0.39	0.28	0.32	1.3	1.4	0.32	0.29	10	0.32	0.28	11	0.31	0.27	12
23.25	0.20	0.16	0.24	0.29	0.21	0.24	0.18	0.2	1.3	1.4	0.18	0.16	12	0.18	0.16	13	0.17	0.15	15
24.75	0.11	0.07	1.5	3.0	1.1	1.7	0.8	0.9	2.0	3.4	0.48	0.58	17	0.44	0.45	2	0.39	0.33	15

Particle Radius	r₀ (μm)	0.1	0.15	0.2	0.4
Estimated Error	∊_s (r ≥ r₀) (%)	20	15	10	20
	∊_N (r ≥ r₀) (%)	40	15	15	20

Altitude Distribution			N (r ≥ r₀) (cm⁻³), r₀(μm)						N (r ≥ 0.15)		S (r ≥ r₀) 10⁻³ (km⁻¹), r₀ (μm)

Z (km)	Mode r_n (μm)		0.15		0.2		0.25		N(r ≥ 0.25)		0.15		∊_s (%)	0.2		∊_s (%)	0.25		∊_s (%)
14.25	0.12	0.07	2.5	5.8	1.9	3.2	1.5	1.7	1.7	3.4	0.88	1.11	21	0.82	0.87	6	0.75	0.63	16
15.75	0.11	0.07	4.3	8.7	3.1	4.8	2.2	2.6	2.0	3.4	1.38	1.66	16	1.27	1.29	2	1.12	0.94	16
17.25	0.11	0.07	5.5	11.2	4.0	6.2	2.8	3.3	2.0	3.4	1.77	2.13	16	1.63	1.66	2	1.44	1.21	16
18.75	0.11	0.07	6.1	12.1	4.4	6.8	3.1	3.7	2.0	3.4	1.98	2.34	15	1.82	1.83	1	1.61	1.35	16
20.25	0.11	0.07	5.5	11.3	4.0	6.2	2.8	3.3	2.0	3.4	1.77	2.15	17	1.63	1.67	3	1.44	1.22	15
21.75	0.22	0.18	0.36	0.45	0.32	0.39	0.28	0.32	1.3	1.4	0.32	0.29	10	0.32	0.28	11	0.31	0.27	12
23.25	0.20	0.16	0.24	0.29	0.21	0.24	0.18	0.2	1.3	1.4	0.18	0.16	12	0.18	0.16	13	0.17	0.15	15
24.75	0.11	0.07	1.5	3.0	1.1	1.7	0.8	0.9	2.0	3.4	0.48	0.58	17	0.44	0.45	2	0.39	0.33	15

Abstract

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Tables (2)

Equations (6)

Optics Letters