Estimation of Atmospheric Optical Turbulence Profile by WRF Model at Gaomeigu

Chun, 青春 Qing; Xiaoqing, 吴晓庆 Wu; Xuebin, 李学彬 Li; Wenyue, 朱文越 Zhu; Ruizhong, 饶瑞中 Rao; Haiping, 梅海平 Mei

doi:10.3788/cjl201542.0913001

Cited by 8 publications

(3 citation statements)

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“…WRF model is successfully used to describe optical turbulence. [17][18][19] The WRF model is a collaborative work of many scientific organizations led by the US National Center for Atmospheric Research (NCAR) and represents a whole family of numerical models that are successfully used both for operational weather forecasting and for research purposes. The results of numerical simulation make it possible to obtain physically substantiated meteorological fields of high spatial resolution, which is important from the point of view of determining and short-term forecasting of optical turbulence parameters.…”

Section: Vertical Profiles Of Optical Turbulence Strength Parameter C...mentioning

confidence: 99%

Generation of kinetic energy of the pulsating component of the wind speed in the atmospheric boundary layer

Kovadlo

Леженин

2022

28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics

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The paper presents the results of studies of atmospheric turbulence in the lower part of the atmospheric boundary layer. At different heights of the atmosphere (8, 121, 301 m), the energetic loses of air flow for the generation of turbulent kinetic energy are calculated for different linear scales. It is shown that on small scales the consumption of mean kinetic energy to energy of turbulence reaches 32% in winter (at 8 m) and 34% (at 301 m) in summer. The paper also uses the WRF model, for the first time in Russia, to determine secondary atmospheric parameters (characteristics of optical turbulence). The vertical profiles of the outer scale of turbulence and the structural constant of fluctuations of the refractive index of air at the Sayan Solar Observatory were determined in case of small seeing. Estimated averaged vertical profile of C 2 N (z) at the Sayan solar observatory site corresponds to the Fried parameter = 12.1 cm in the atmospheric layer 100 m -30 km at light wavelength = 500nm (from 15/07/2015 to 23/07/2015).

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Section: Vertical Profiles Of Optical Turbulence Strength Parameter C...mentioning

confidence: 99%

Generation of kinetic energy of the pulsating component of the wind speed in the atmospheric boundary layer

Kovadlo

Леженин

2022

28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics

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“…3 At the same time, due to the need and complexity of long-term synchronous measurements of astroclimatic characteristics at a lot of sites we need to develop new astroclimatic methods and approaches. We should note that there are a lot of scientific team who study astroclimate [4][5][6][7][8][9] and, in particular precipitable water vapor in different layers of the atmosphere. 10 It is important to emphasize that in astroclimatic studies we propose to use the assimilated Era-5 atmospheric reanalysis data taking into account data of field measurements of limited duration.…”

Section: Introductionmentioning

confidence: 99%

Features of global distributions of precipitable water vapor using Era-5 re-analysis data

Shikhovtsev,

Ibragimov,

Kirichenko

et al. 2023

29th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics

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“…For example, one of the current models is the non-hydrostatic mesoscale Weather Research and Forecasting models used for estimation and forecasting optical turbulence parameters, meteorological characteristic and processes in the atmospheric boundary layer and free atmosphere. 11,12 Qian et al 13 study the turbulence profiles (in terms of C 2 n ) and vertical profiles of the precipitable water vapor at the Ali observatory site. They estimated that average precipitable water vapor (PWV) scale height is 3.2 (+-0.4) km above the ground.…”

Section: Introductionmentioning

confidence: 99%

Precipitatable water vapor at some sites suitable for ground-based astronomical observations: Lake Karakul

Shikhovtsev

2023

29th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics

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The paper discusses the issues of choosing a site for a new large ground-based radio telescope. One of the most important characteristic that determines the optical atmospheric thickness, in particular, the precipitable water vapor in the atmosphere, is considered. We estimated reference precipitable water vapor height scale in the atmosphere at a number of reference sites within region perspective for creation of ground-based radio telescope. Using the method for correction of precipitable water vapor values, we showed that the sites in the vicinity of the lake Karakul are suitable for placement of large ground-based radio telescope.

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Estimation of Atmospheric Optical Turbulence Profile by WRF Model at Gaomeigu

Cited by 8 publications

References 0 publications

Generation of kinetic energy of the pulsating component of the wind speed in the atmospheric boundary layer

Generation of kinetic energy of the pulsating component of the wind speed in the atmospheric boundary layer

Features of global distributions of precipitable water vapor using Era-5 re-analysis data

Precipitatable water vapor at some sites suitable for ground-based astronomical observations: Lake Karakul

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