Atmospheric and Oceanic Optics

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Features of the Formation of Wavefront Slopes on the Telescope Aperture at Different Vertical Profiles of Optical Atmospheric Turbulence
Atmospheric and Oceanic Optics - Tập 33 - Trang 141-145 - 2020
A. Yu. Shikhovtsev, P. G. Kovadlo, L. A. Bol’basova, V. P. Lukin
The possibility of retrieving vertical profiles of atmospheric turbulence from measurement data on local slopes of the wavefront is discussed. Estimates of characteristics of wavefront distortion amplitudes are presented for different atmospheric layers. Positions of the boundary of the atmospheric layer whose total contribution to the maximal angles of the light arrival corresponds to the average...... hiện toàn bộ
Foreword
Atmospheric and Oceanic Optics - Tập 22 - Trang 387-387 - 2009
M. V. Panchenko
Study of the atmospheric boundary layer parameters under urban conditions with local and remote diagnostics facilities. Part. 2. Air temperature and heat flux
Atmospheric and Oceanic Optics - - 2011
V. A. Gladkikh, A. E. Makienko, E. A. Miller, S. L. Odintsov
We considered the results of the complex measurements of meteorological parameters at two observation sites in Moscow with the help of Volna-4 sodar, the Meteo-2 ultrasonic meteorological station, and the MTP-5 meteorological temperature profiler. The frequency of occurrence and the heights of temperature inversion boundaries under the conditions of woodland-park zone are analyzed. The obtained re...... hiện toàn bộ
Impact of ozone depletion on degradation processes of coniferous forests in southern regions of Siberia
Atmospheric and Oceanic Optics - Tập 30 - Trang 342-348 - 2017
V. V. Zuev, N. E. Zueva, E. M. Korotkova, A. V. Pavlinsky
The main factors leading to the increase in the intensity of coniferous forests focal drying in southern Siberia since the 1990s are analyzed. It is shown that a significant factor that weakens the resistance of coniferous trees could be long-term ozone depletion due to the permanent presence in the atmosphere of volcanic aerosols caused by frequent Plinian eruptions in the volcano tropical belt w...... hiện toàn bộ
Superstatistics of optical beam scintillations over thermally nonequilibrium paths
Atmospheric and Oceanic Optics - Tập 29 - Trang 415-421 - 2016
T. I. Arsenyan, O. M. Vokhnik, A. M. Zotov, A. G. Komarov, A. V. Nesterov, N. A. Suhareva
Methods are presented for the analysis of sounding optical beam intensity variations at the exit of a nonstationary nonequilibrium path with the use of the superstatistics and nonextensive statistical mechanics. The connections of the first and the second moments of the experimentally recorded distribution functions of the intensity scintillations inside the subapertures of the output beam profile...... hiện toàn bộ
Effect of Laser Pulse Repetition Rate on the Detection Limits of the Elemental Composition of Pollutants in Aqueous Solutions by Femtosecond Laser Induced Breakdown Spectroscopy
Atmospheric and Oceanic Optics - Tập 34 - Trang 553-559 - 2022
Yu. S. Tolstonogova, S. S. Golik, A. Yu. Mayor, A. A. Ilyin, D. Yu. Proschenko, O. A. Bukin
The dependence of the limits of detection of Mg, Mn, Sr, Pb, Al, and B in aqueous solutions on the laser pulse repetition rate is studied by femtosecond laser induced breakdown spectroscopy for the laser pulse repetition rate from 50 to 1000 Hz. The limit of detection is shown to be the best at a laser pulse repetition rate of 166 Hz for all the elements under study, other experimental conditions ...... hiện toàn bộ
Applicability of Semiconductor Methane Sensors for Measuring Methane Emission from the Surface of a Water Body
Atmospheric and Oceanic Optics - Tập 36 - Trang 400-414 - 2023
A. D. Mershavka, I. A. Repina, R. D. Makarov, E. A. Denisov, V. M. Ivakhov, A. D. Lykov
The applicability of semiconductor methane sensors designed for detection of explosive concentrations of gases in rooms to the study of background methane contents in the atmosphere and its emissions from the surface of a water body is studied. An experimental prototype of the methane sensor is designed. To increase the accuracy of determining the methane content in air, the calibration procedure ...... hiện toàn bộ
Vertical profiles of concentrations of carbon monoxide and nitrogen oxides in the urban atmospheric boundary layer
Atmospheric and Oceanic Optics - Tập 22 - Trang 617-625 - 2009
G. I. Gorchakov, E. G. Semoutnikova, P. S. Glyadkov, A. V. Karpov, A. B. Kolesnikova, E. A. Lezina
We studied variations of the vertical profiles of the carbon monoxide concentration and the total concentration of nitrogen oxides in Moscow according to the data of Ostankino TV Tower measurements during the winter. The statistical relations between the variations of the concentrations of carbon monoxide and nitrogen oxides at different altitudes are analyzed. Differences in the diurnal behaviors...... hiện toàn bộ
Model of estimating aerosol depositions of benz(A)pirene in the vicinity of the novosibirsk electrode plant
Atmospheric and Oceanic Optics - Tập 22 - Trang 483-486 - 2009
V. F. Raputa, S. E. Ol’kin, I. K. Reznikova
A model of quantitative interpretation of the route observational data on deposition fields in the vicinity of a point source is proposed in terms of a kinematic scheme of the description of the distribution of heavy polydispersed admixtures in the atmosphere. The model allowed for a numerical analysis of experimental data on the benz(a)pirene pollution of snow cover at the end of the winter seaso...... hiện toàn bộ
Retrieval of a wave front with small deformations from a sample of interferograms with a variable number and orientation of interference fringes
Atmospheric and Oceanic Optics - Tập 24 - Trang 572-578 - 2011
V. G. Maksimov, G. V. Simonova, V. A. Tartakovskii
A new approach to phase retrieval from an interferogram through the application of the classical fringe tracing method to a sample in which interference fringes change their number and orientation is proposed. Wave fronts retrieved from individual interferograms are averaged, and the quality of the studied surface is judged by the estimate found. Phase averaging over several interferograms allows ...... hiện toàn bộ
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