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Kinetic Energy Operator for Linear A2B2 Type Molecules in Polyspherical Nonorthogonal Internal Coordinates 多球非正交内坐标中线性 A2B2 型分子的动能算子
IF 0.9
Atmospheric and Oceanic Optics Pub Date : 2024-01-17 DOI: 10.1134/S1024856023060155
A. E. Protasevich, A. V. Nikitin
{"title":"Kinetic Energy Operator for Linear A2B2 Type Molecules in Polyspherical Nonorthogonal Internal Coordinates","authors":"A. E. Protasevich,&nbsp;A. V. Nikitin","doi":"10.1134/S1024856023060155","DOIUrl":"10.1134/S1024856023060155","url":null,"abstract":"<p>The form of the vibrational-rotational operator of kinetic energy for linear symmetric molecules of the A<sub>2</sub>B<sub>2</sub> type in polyspherical nonorthogonal internal coordinates (bond lengths and angles between bonds) is obtained. Nonorthogonal coordinates have advantages in calculating the wave functions of heavy linear molecules, for example, C<sub>2</sub>F<sub>2</sub> and C<sub>2</sub>Cl<sub>2</sub>; they also simplify the calculation of the intensity of vibrational-rotational spectral lines of molecules belonging to this type. This work is a continuation of work [1], in which the form of the kinetic energy operator in orthogonal coordinates was obtained. To verify the expressions derived, the lower vibrational-rotational energy levels of the acetylene molecule are calculated.</p>","PeriodicalId":46751,"journal":{"name":"Atmospheric and Oceanic Optics","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2024-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140883898","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Variability of the Ground Concentration of Particulate Matter PM1–PM10 in the Air Basin of the Southern Baikal Region 贝加尔湖南部地区空气盆地颗粒物 PM1-PM10 地面浓度的变化情况
IF 0.9
Atmospheric and Oceanic Optics Pub Date : 2024-01-17 DOI: 10.1134/S1024856023060192
M. Yu. Shikhovtsev, V. A. Obolkin, T. V. Khodzher, Ye. V. Molozhnikova
{"title":"Variability of the Ground Concentration of Particulate Matter PM1–PM10 in the Air Basin of the Southern Baikal Region","authors":"M. Yu. Shikhovtsev,&nbsp;V. A. Obolkin,&nbsp;T. V. Khodzher,&nbsp;Ye. V. Molozhnikova","doi":"10.1134/S1024856023060192","DOIUrl":"10.1134/S1024856023060192","url":null,"abstract":"<p>The paper presents the results of studies of the content of particulate matter PM<sub>1</sub>–PM<sub>10</sub> in the atmosphere of the western coast of Southern Baikal with high temporal resolution. It has been established that PM are emitted into the atmosphere of Southern Baikal from both anthropogenic and natural sources. In winter, the influence of thermal power facilities increases, as evidenced by synchronous increases in the concentrations of submicron aerosol PM<sub>1</sub> and sulfur dioxide. In summer, remote forest fires make a significant contribution to atmospheric pollution with particulate matter. The relationship between the increase in the concentration of PM<sub>1</sub> in the atmosphere in the region under study and mesometeorological features (temperature inversions and mesoscale transfer of plumes from large thermal power plants) has been revealed. Increases in PM<sub>1</sub> concentrations in most cases occur during the night and morning hours, which is associated with a decrease in the thickness of the atmospheric boundary layer.</p>","PeriodicalId":46751,"journal":{"name":"Atmospheric and Oceanic Optics","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2024-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140883839","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Characteristics of Aerosol Distribution and Composition in Southeastern Crimea in Spring 2020 2020 年春季克里米亚东南部气溶胶分布和组成特征
IF 0.9
Atmospheric and Oceanic Optics Pub Date : 2024-01-17 DOI: 10.1134/S1024856023060052
M. S. Artamonova, M. A. Iordanskii, O. G. Chkhetiani, V. A. Lapchenko, L. O. Maksimenkov
{"title":"Characteristics of Aerosol Distribution and Composition in Southeastern Crimea in Spring 2020","authors":"M. S. Artamonova,&nbsp;M. A. Iordanskii,&nbsp;O. G. Chkhetiani,&nbsp;V. A. Lapchenko,&nbsp;L. O. Maksimenkov","doi":"10.1134/S1024856023060052","DOIUrl":"10.1134/S1024856023060052","url":null,"abstract":"<p>Results of experimental studies of aerosol in the surface air layer in the southeastern part of the Crimean Peninsula at the background environmental monitoring Vyazemsky Karadag Scientific Station from March 21 to June 17, 2020, are presented. The daily average mass concentration of aerosol ranged from 3 to 35 μg/m<sup>3</sup> over the measurement period, with an average value of 13 μg/m<sup>3</sup>. The exception are high concentrations during the episode of March 25–27, 2020 (48, 195, and 49 μg/m<sup>3</sup>, respectively), when an extreme eastward transfer from sources in Kazakhstan (a dust storm in the region of the Aral Sea) through Kalmykia to the Crimea took place. Accounting this episode, the daily average mass concentration of aerosol was 16 μg/m<sup>3</sup>. Days with different directions of airmass arrival and days with the highest daily average mass concentrations of aerosol are distinguished out of 89 observation days. For this set (31 samples), the concentrations of 64 chemical elements in the samples are determined. Accumulation of chemical elements in soil and in aerosol particles is estimated; the clarkes of concentrations of chemical elements in soil, aerosol concentration coefficients, and enrichment factors of chemical elements in aerosols are calculated. The dependences of the mass concentration, size distribution, and elemental composition of the surface aerosol on long-range aerosol transport are considered.</p>","PeriodicalId":46751,"journal":{"name":"Atmospheric and Oceanic Optics","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2024-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139497636","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Influence of Smoke from the Yakut Fires on the State of the Environment in Krasnoyarsk in August 2021 雅库特大火烟雾对 2021 年 8 月克拉斯诺亚尔斯克环境状况的影响
IF 0.9
Atmospheric and Oceanic Optics Pub Date : 2024-01-17 DOI: 10.1134/S1024856023060180
N. Ya. Shaparev, A. V. Tokarev, O. E. Yakubailik
{"title":"The Influence of Smoke from the Yakut Fires on the State of the Environment in Krasnoyarsk in August 2021","authors":"N. Ya. Shaparev,&nbsp;A. V. Tokarev,&nbsp;O. E. Yakubailik","doi":"10.1134/S1024856023060180","DOIUrl":"10.1134/S1024856023060180","url":null,"abstract":"<p>The paper considers changes in the state of the environment in Krasnoyarsk and its environs during the existence of the smoke of large-scale Yakut fires in August 2021. The appearance of smoke aerosols in the atmosphere weakens the solar radiation flux reaching the Earth’s surface and, accordingly, decreases the temperature of the active soil layer and the surface air layer. Advection of cooled air with high relative humidity over the surface of the Yenisei River in the lower downstream of the Krasnoyarsk HPP formed cooling fogs.</p>","PeriodicalId":46751,"journal":{"name":"Atmospheric and Oceanic Optics","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2024-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139495724","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Particle Density Values for Numerical Estimation of Mass Concentration of Near-Surface Submicron and Micron Aerosol 用于近地面亚微米和微米气溶胶质量浓度数值估算的粒子密度值
IF 0.9
Atmospheric and Oceanic Optics Pub Date : 2024-01-17 DOI: 10.1134/S102485602306009X
D. P. Gubanova, M. A. Iordanskii, A. A. Vinogradova, I. B. Belikov, V. A. Belousov
{"title":"Particle Density Values for Numerical Estimation of Mass Concentration of Near-Surface Submicron and Micron Aerosol","authors":"D. P. Gubanova,&nbsp;M. A. Iordanskii,&nbsp;A. A. Vinogradova,&nbsp;I. B. Belikov,&nbsp;V. A. Belousov","doi":"10.1134/S102485602306009X","DOIUrl":"10.1134/S102485602306009X","url":null,"abstract":"<p>The results of experimental determination of near-surface aerosol density for particles of different composition and size have been published over many years. Based on the generalization of these data, as well as the results of our own field observations of microphysical characteristics and composition of Moscow aerosol, an algorithm and parameters for numerical estimation of mass concentration of submicron and micron urban aerosol are suggested. Using this algorithm, on the basis of experimental data on the size distribution function of aerosol particles in the diameter range 0.3–10 μm obtained during regular observations at IAP RAS in Moscow in 2020–2022, the mass concentration of near-surface aerosol of various fractions was calculated. A comparative analysis of the results of such an assessment and the data of synchronous measurements of mass concentration of aerosol particles using a portable aerosol spectrometer GRIMM 1.108 over the past two years has shown a good correspondence between the calculated and measured values. Density values for four ranges of aerosol particle sizes are selected for more correct numerical estimation of the mass concentration of urban aerosol of fractions PM<sub>2.5</sub> and PM<sub>10</sub>.</p>","PeriodicalId":46751,"journal":{"name":"Atmospheric and Oceanic Optics","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2024-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140883768","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Chronologies of Gas Components in Deciduous Tree Rings 落叶树年轮中气体成分的年代学
IF 0.9
Atmospheric and Oceanic Optics Pub Date : 2024-01-17 DOI: 10.1134/S1024856023060039
B. G. Ageev, V. A. Sapozhnikova, A. N. Gruzdev, D. A. Savchuk
{"title":"Chronologies of Gas Components in Deciduous Tree Rings","authors":"B. G. Ageev,&nbsp;V. A. Sapozhnikova,&nbsp;A. N. Gruzdev,&nbsp;D. A. Savchuk","doi":"10.1134/S1024856023060039","DOIUrl":"10.1134/S1024856023060039","url":null,"abstract":"<p>Gases desorbed by the vacuum method from the tree rings of discs of deciduous trees are measured. The content of residual gases vacuum-desorbed from tree rings is analyzed with an optoacoustic gas analyzer with a tunable CO<sub>2</sub> laser. The chronologies of residual CO<sub>2</sub> and (CO<sub>2</sub> + H<sub>2</sub>O) of some deciduous trees growing near the city of Tomsk (Western Siberia) have been derived. All the chronologies are cyclic with pronounced 2–4-year cycles. A correlation was found between the content of gases and summer temperatures and precipitation. We believe that the annual distribution of residual gases in the discs reflects the pattern of annual release of the gases from the stems of the deciduous trees into the atmosphere.</p>","PeriodicalId":46751,"journal":{"name":"Atmospheric and Oceanic Optics","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2024-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139495722","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Estimation of the Impact of the Oil and Gas Complex on the Biosphere of the Arctic Territories on the Basis of Multispectral Satellite Data 根据多谱段卫星数据估算石油和天然气综合体对北极地区生物圈的影响
IF 0.9
Atmospheric and Oceanic Optics Pub Date : 2024-01-17 DOI: 10.1134/S1024856023060143
T. O. Peremitina, I. G. Yashchenko
{"title":"Estimation of the Impact of the Oil and Gas Complex on the Biosphere of the Arctic Territories on the Basis of Multispectral Satellite Data","authors":"T. O. Peremitina,&nbsp;I. G. Yashchenko","doi":"10.1134/S1024856023060143","DOIUrl":"10.1134/S1024856023060143","url":null,"abstract":"<p>The ecological state of the Arctic hydrocarbon field territories over the period 2013–2022 is estimated. Vegetation cover is considered an indicator of the ecological state of the territories under study. Based on the Terra/MODIS satellite data, the state of the vegetation cover of hydrocarbon fields in the Purovsky District of the Yamal-Nenets Autonomous Okrug is studied: Urengoyskoye, Vostochno-Tarkosalinskoye, Gubkinskoye, Vyngayakhinskoye, Komsomolskoye, and Tarasovskoye. Using the ArcGis geographic information system, the average values of EVI (Enhanced Vegetation Index) of the field vegetation cover for the full growing season from May 25 to September 20, 2013–2022, are calculated. The EVI minima and maxima for the territories are determined. Tendencies towards an increase in EVI in the final period of the growing season over the 10-year period under study are found.</p>","PeriodicalId":46751,"journal":{"name":"Atmospheric and Oceanic Optics","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2024-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139497594","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Optical Absorption Manipulation of Spherical Microcapsules Mediated by Buffer Nanoparticles 缓冲纳米颗粒介导的球形微胶囊光学吸收调控
IF 0.7
Atmospheric and Oceanic Optics Pub Date : 2023-10-06 DOI: 10.1134/S102485602305010X
Yu. E. Geints, E. K. Panina
{"title":"Optical Absorption Manipulation of Spherical Microcapsules Mediated by Buffer Nanoparticles","authors":"Yu. E. Geints,&nbsp;E. K. Panina","doi":"10.1134/S102485602305010X","DOIUrl":"10.1134/S102485602305010X","url":null,"abstract":"<p>We simulate and examine the absorption dynamics of the near-infrared optical radiation in a spherical microcapsule surrounded by solid nanoparticles of different optical properties (metal, biocompatible dielectric) with the use of numerical finite-difference time-domain (FDTD) calculations. A model microcapsule resembles a microcontainer used in modern bio- and medical technologies for targeted delivery of therapeutic nanodoses of drugs to the desired region of biological tissues. We show that the optical field superlocalization in the “hot regions” on the microcapsule surface takes place due to light scattering on nanoparticles. The three-fold light absorption enhancement can be achieved due to the addition of buffer nanoparticles.</p>","PeriodicalId":46751,"journal":{"name":"Atmospheric and Oceanic Optics","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2023-10-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50011902","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Estimation of the Atmospheric Turbulence Parameters Using the Angle-of-Arrival Covariance Function 用到达角协方差函数估计大气湍流参数
IF 0.7
Atmospheric and Oceanic Optics Pub Date : 2023-10-06 DOI: 10.1134/S1024856023050202
F. Bennoui, D. Bahloul
{"title":"Estimation of the Atmospheric Turbulence Parameters Using the Angle-of-Arrival Covariance Function","authors":"F. Bennoui,&nbsp;D. Bahloul","doi":"10.1134/S1024856023050202","DOIUrl":"10.1134/S1024856023050202","url":null,"abstract":"<p>The Fried’s length <i>r</i><sub>0</sub>, the outer scale <i>L</i><sub>0</sub>, the isoplanatism θ<sub>0</sub>, the coherence time τ<sub>0</sub>, and the profile of the optical turbulence energy <span>(C_{n}^{2}(h))</span> are parameters of the wavefront spatiotemporal coherence. Numerous optical methods are used to determine the images quality through the estimation of the parameters <i>r</i><sub>0</sub>, <i>L</i><sub>0</sub>, θ<sub>0</sub>, and τ<sub>0</sub>, where numerical simulations of the transversal and longitudinal covariance (as a function of the angle-of-arrival (AA)) play a significant role. In this work, we, first, perform the statistical analysis of the fluctuations of angle-of-arrival using theoretical models of the atmospheric turbulence, and second, the statistical analysis of the AA fluctuations in solar limb images. This analysis plays a significant role in the optimization of techniques, such as adaptive optics (OA) and in interferometry, in astronomical observations with high angular resolution.</p>","PeriodicalId":46751,"journal":{"name":"Atmospheric and Oceanic Optics","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2023-10-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50011961","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Estimation of Energy and Time Parameters of Laser Radiation for Efficient Excitation of Phosphorus Oxide Fluorescence 有效激发氧化磷荧光的激光辐射能量和时间参数的估计
IF 0.7
Atmospheric and Oceanic Optics Pub Date : 2023-10-06 DOI: 10.1134/S1024856023050068
S. M. Bobrovnikov, E. V. Gorlov, V. I. Zharkov, S. N. Murashko
{"title":"Estimation of Energy and Time Parameters of Laser Radiation for Efficient Excitation of Phosphorus Oxide Fluorescence","authors":"S. M. Bobrovnikov,&nbsp;E. V. Gorlov,&nbsp;V. I. Zharkov,&nbsp;S. N. Murashko","doi":"10.1134/S1024856023050068","DOIUrl":"10.1134/S1024856023050068","url":null,"abstract":"<p>We present a mathematical model of the process of laser-induced fluorescence of phosphorus oxide (PO) molecules. Based on the model, the dependences of the fluorescence intensity of PO molecules on the energy and time parameters of exciting laser radiation are derived. It is ascertained that the dependence of the PO fluorescence signal on the energy density of the exciting radiation is a saturation curve, and the dependence on the pulse duration under real atmospheric conditions has a local maximum. It is shown that the optimal pulse duration decreases with the exciting radiation energy density.</p>","PeriodicalId":46751,"journal":{"name":"Atmospheric and Oceanic Optics","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2023-10-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50011901","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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