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  1. No Access

    Article

    Tributary-Specific Contribution to a Lacustrine Mixed-Stock Fishery of Brown Trout Salmo trutta (Salmonidae) in a Diverse Sub-Arctic Watershed

    Mixed-stock fisheries which simultaneously cause mortality amongst several populations of a species of fish may occur where separate stocks partially or completely overlap in the geographic area of harvest. Th...

    P. B. Mikheev, S. V. Prusov, J. Erkinaro, I. V. Samokhvalov… in Journal of Ichthyology (2023)

  2. No Access

    Article

    Effect of Specular High-Level Clouds on Scattered Solar Radiation Fluxes at the Zenith

    The technique and results of a complex experiment on studying the effect of high-level clouds (HLCs) on the scattered solar radiation flux are described. Optical characteristics of clouds (backscattering phase...

    I. D. Bryukhanov, S. V. Zuev, I. V. Samokhvalov in Atmospheric and Oceanic Optics (2021)

  3. No Access

    Article

    Optical and Radiative Characteristics of Cirrus from the Data of Three-Year Lidar and Actinometric Research at Tomsk State University

    Results of experimental studies of the optical and geometric characteristics of high-level clouds over Tomsk combined with actinometric measurements of solar radiation are presented. The diurnal and three-year...

    I. V. Samokhvalov, V. V. Bryukhanova, I. D. Bryukhanov… in Russian Physics Journal (2020)

  4. No Access

    Article

    Estimation of Microphysical Characteristics of Contrails by Polarization Lidar Data: Theory and Experiment

    The technique and results of the study of optical and microphysical characteristics of contrails with the use of the unique high-altitude polarization lidar of the National Research Tomsk State University are ...

    I. V. Samokhvalov, I. D. Bryukhanov, V. A. Shishko… in Atmospheric and Oceanic Optics (2019)

  5. No Access

    Article

    Effect of Orientation of Ice Crystals in Cirrus on Direct and Scattered Solar Radiation Fluxes

    The problem of solar radiation transfer by cirrus containing horizontally oriented ice crystals urgent today is considered. The results of a complex radiation experiment are described in which solar radiation ...

    I. V. Samokhvalov in Russian Physics Journal (2018)

  6. No Access

    Article

    Detection of concentration small gas components of atmosphere by DOAS method

    A differential optical absorption spectroscopy (DOAS) gas-analyzer was successfully tested. A high pressure 150-W Xe arc lamp was employed as a light source. This system consisted of a coaxial telescope, a spe...

    P. P. Geiko, S. S. Smirnov, I. V. Samokhvalov in Optical Memory and Neural Networks (2015)

  7. No Access

    Article

    Investigation of the optical characteristics of cirrus clouds with anomalous backscattering

    Data of polarization laser sensing of high-level clouds obtained within the year from April, 2011 are processed. Attention is focused on cirrus clouds with anomalous reflection. The optical thickness and avera...

    I. V. Samokhvalov, I. D. Bryukhanov, S. V. Nasonov… in Russian Physics Journal (2013)

  8. No Access

    Article

    Traces of eruption of Eyjafjallajökull volcano according to data of lidar observations in Tomsk and Surgut

    We present the results of lidar measurements of the vertical distribution of optical parameters of anomalous aerosol formations in the atmosphere and the polarization state of backscattered sounding radiation,...

    V. D. Burlakov, S. I. Dolgii, A. V. Nevzorov… in Atmospheric and Oceanic Optics (2012)

  9. No Access

    Article

    Transformation of the light backscattering matrices from crystal clouds during a variation of the zenith sensing angle

    Problems concerning the interpretation of the results of crystal cloud investigations by laser sensing are considered. The parameters characterizing the orientation of cloud particles are determined using back...

    B. V. Kaul, I. V. Samokhvalov in Atmospheric and Oceanic Optics (2010)

  10. No Access

    Article

    Correction for distortions in lidar measurements of cloud backscattering phase matrices caused by multiple scattering

    Interpretation of data of atmospheric laser sensing is based on the lidar equation valid for single scattering. However, investigations of dense aerosol formations call for consideration of multiple scattering...

    I. V. Samokhvalov, B. V. Kaul, V. V. Bryukhanova… in Russian Physics Journal (2008)

  11. No Access

    Article

    Optical diagnostics of the atmosphere

    The theoretical principles of the method of polarized laser probing of an aspherical atmospheric aerosol, oriented in space, are considered. An approach to estimating the effectness of methods of spectroscopic...

    V. A. Donchenko, I. I. Ippolitov, I. V. Samokhvalov in Russian Physics Journal (1998)

  12. No Access

    Article

    Determination of the concentration of certain gases along horizontal paths in the atmosphere by means of a retuned CO2 laser

    I. V. Samokhvalov, A. V. Sosnin, G. S. Khmel'nitskii… in Journal of Applied Spectroscopy (1980)

  13. No Access

    Article

    Laser probing of atmospheric water vapor by a resonance method

    The absorption of laser radiation at a wavelength of 694.38 nm is estimated. Various spectral widths of the pulses probing the atmosphere are considered. Questions related to the interpretation of the data obt...

    O. K. Boitsekhovskaya, Yu. S. Makushkin, V. N. Marichev… in Soviet Physics Journal (1977)

  14. No Access

    Article

    Abstracts of papers deposited at VINITI

    L. E. Popov, T. A. Kovalevskaya, N. A. Koneva, I. V. Tereshko… in Soviet Physics Journal (1976)

  15. No Access

    Article

    Double scattering approximation of the atmospheric laser location equation taking polarization effects into account

    An equation is obtained for the Stokes vector of radiation twice scattered in the backwards direction, assuming that the transmitter and receiver have small angular apertures, that the pulse length is short, a...

    B. V. Kaul', I. V. Samokhvalov in Soviet Physics Journal (1976)

  16. No Access

    Article

    Laser ranging equation for the atmosphere including double scattering

    An equation is obtained for laser ranging in the atmosphere which takes double scattering into account. Estimates of the limits of applicability are given for an expression which is obtained relating the power...

    B. V. Kaul', I. V. Samokhvalov in Soviet Physics Journal (1975)

  17. No Access

    Article

    Three-dimensional distribution of the coefficient of inverse scatter in the lower troposphere

    I. V. Samokhvalov, V. S. Shamanaev in Soviet Physics Journal (1975)

  18. No Access

    Article

    Reflection of narrow light beams by a scattering medium

    A calculation is made of the doubly back scattered radiation from the intersection volume and the close-range volume. A comparison of the results for singly and doubly scattered radiation with experimental dat...

    V. A. Donchenko, M. V. Kabanov, I. V. Samokhvalov in Soviet Physics Journal (1974)

  19. No Access

    Article

    Reflection of narrow light beams by a dissipating medium

    The brightness distribution of multiple back-scattering of radiation is investigated in a plane perpendicular to the beam axis as a function of the density of the artificial mists and smokes. The range of the ...

    V. A. Donchenko, M. V. Kabanov, G. G. Matvienko… in Soviet Physics Journal (1973)

  20. No Access

    Article

    Application of photomultipliers for signal reception in laser sounding of the atmosphere

    B. V. Kaul', I. V. Samokhvalov in Soviet Physics Journal (1973)

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