Optical Turbulence Measurement over Lhasa Using a Meteorological Radiosonde and Model Analysis

Yajuan Han; Xiaoqing Wu; Tao Luo; Changdong Su; Chun Qing; Su Wu; Qike Yang; Kun Zhang

doi:10.3788/AOS202040.0601002

Journals >Acta Optica Sinica >Volume 40 >Issue 6 >Page 0601002 > Article

Acta Optica Sinica
Vol. 40, Issue 6, 0601002 (2020)

Optical Turbulence Measurement over Lhasa Using a Meteorological Radiosonde and Model Analysis

Yajuan Han^1、2, Xiaoqing Wu^1、*, Tao Luo¹, Changdong Su^1、2, Chun Qing¹, Su Wu^1、2, Qike Yang^1、2, and Kun Zhang^1、2

Author Affiliations

¹Key Laboratory of Atmospheric Optics, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei, Anhui 230031, China

²Science Island Branch of Graduate School, University of Science and Technology of China, Hefei, Anhui 230031, China

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DOI: 10.3788/AOS202040.0601002 Cite this Article Set citation alerts

Yajuan Han, Xiaoqing Wu, Tao Luo, Changdong Su, Chun Qing, Su Wu, Qike Yang, Kun Zhang. Optical Turbulence Measurement over Lhasa Using a Meteorological Radiosonde and Model Analysis[J]. Acta Optica Sinica, 2020, 40(6): 0601002 Copy Citation Text

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Average profiles of measured data by sounding balloons. (a) Temperature; (b) pressure; (c) relative humidity; (d) wind speed; (e) wind direction; (f) temperature gradient; (g) wind speed gradient; (h) CT2</inline-

Fig. 1. Average profiles of measured data by sounding balloons. (a) Temperature; (b) pressure; (c) relative humidity; (d) wind speed; (e) wind direction; (f) temperature gradient; (g) wind speed gradient; (h)

\begin{matrix} C_{T}^{2} \end{matrix}

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Measured mean Cn2 profiles in the morning and evening and model value. (a) In the morning; (b) in the evening

Fig. 2. Measured mean

\begin{matrix} C_{n}^{2} \end{matrix}

profiles in the morning and evening and model value. (a) In the morning; (b) in the evening

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Fig. 3.

\begin{matrix} C_{n}^{2} \end{matrix}

profiles measured in the morning/evening, or averaged and estimated using

\begin{matrix}  \end{matrix}

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Fig. 4. Average profiles measured by balloon soundings in Gaomeigu and Lhasa. (a) Temperature; (b) wind speed; (c)

\begin{matrix} C_{n}^{2} \end{matrix}

profile

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Balloon number	Launch date	Launch time (local time)	Termination time (local time)	Termination altitude (above sea level) /m
1#	2018.08.14	07:38	08:59	31023.3
2#	2018.08.15	07:24	08:51	30217.7
3#	2018.08.14	19:40	21:05	30657.1
4#	2018.08.14	22:52	23:58	28594.2
5#	2018.08.16	19:19	20:43	31206.4
6#	2018.08.08	19:16	20:38	26900.7
7#	2018.08.13	19:23	20:29	23221.1

Table 1. Record of balloon soundings in Lhasa used in the paper

Model	MRE	RMSE	BIAS	R_xy
$\begin{matrix} C_{n}^{2} \end{matrix}$ Lhasa model	0.60%	0.13	-0.01	0.97

Table 2. Statistical analysis for lg(

\begin{matrix}  \end{matrix}

Balloon number	Launch date	Launch time (local time)	Termination time (local time)	Termination altitude(above sea level) /m
1#	2013.04.06	11:11	12:36	30148
2#	2013.04.07	01:28	04:44	31421
3#	2013.04.08	01:32	03:16	28714
4#	2013.04.13	23:06	00:55	31678
5#	2013.04.14	05:17	07:14	32467
6#	2013.04.21	01:00	02:52	30473
7#	2013.04.23	21:07	22:54	31383

Table 3. Record of balloon soundings in Gaomeigu used in the paper

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