Труды сотрудников ИВМ СО РАН

[Текст] : статья / A.V. Khodyaev, A.P. Shevyrnogov, G.S. Vysotskaya // Journal of Siberian Federal University. Engineering & Technologies. - 2011. - № 4(2). - p. 179-184

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Доп.точки доступа:
Shevyrnogov, A.P.; Vysotskaya, G.S.; Высоцкая, Галина Степановна

[Text] : статья / V.V. Denisenko [et al.] // J. Atmos. Sol.-Terr. Phys. - 2013. - Vol. 102. - P341-353, DOI 10.1016/j.jastp.2013.05.019. - Cited References: 29. - This work is supported by Grants 09-06-91000, 12-05-00152 from the Russian Foundation for Basic Research. Additional support is due to the Austrian "Fonds zur Forderung der wissenschaftlichen Forschung" under Project I193-N16 and the "Verwaltungsstelle fur Auslandsbeziehungen" of the Austrian Academy of Sciences. The authors are grateful to the unknown reviewers for the fruitful detailed discussion. . - 13. - ISSN 1364-6826РУБ Geochemistry & Geophysics + Meteorology & Atmospheric Sciences

Аннотация: A quasi stationary three dimensional model of electric fields and currents in the conductor that includes the Earth's atmosphere and ionosphere is created. The results of the three dimensional model are simpler regarding interpretation and explanation than two dimensional ones. Known approaches regarding the ionosphere as a boundary condition at the upper boundary of the atmospheric conductor are analyzed. For the investigation of the electric field penetration from ground into the ionosphere it is sufficient to take into account only integral conductivity of the ionosphere. A mathematical simulation has shown that the resulting electric field in the ionosphere is negligible in contrast to the general point of view that such a penetration is a physical process which potentially creates ionospheric precursors of earthquakes. (C) 2013 Elsevier Ltd. All rights reserved.

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Держатели документа:
ИВМ СО РАН : 660036, Красноярск, Академгородок, 50, стр.44

Доп.точки доступа:
Denisenko, V.V.; Денисенко, Валерий Васильевич; Ampferer, M.; Pomozov, E.V.; Помозов, Егор Владимирович; Kitaev, A.V.; Китаев, Анатолий Валерьевич; Hausleitner, W.; Stangl, G.; Biernat, H.K.; Russian Foundation for Basic Research [09-06-91000, 12-05-00152]; Austrian "Fonds zur Forderung der wissenschaftlichen Forschung" [I193-N16]; "Verwaltungsstelle fur Auslandsbeziehungen" of the Austrian Academy of Sciences

[Text] / M. Ampferer [et al.] // Ann. Geophys. - 2010. - Vol. 28, Is. 3. - pp. 779-787. - Cited References: 30. - This work is supported by grants 07 05 00135, 09-06-91000 from the Russian Foundation for Basic Research and by the Program 16.3 of the Russian Academy of Sciences. Additional support is due to the Austrian "Fonds zur Forderung der wissenschaftlichen Forschung" under Project I193-N16 and the "Verwaltungsstelle fur Auslandsbeziehungen" of the Austrian Academy of Sciences. The authors are grateful to the referees whose comments helped considerably to improve the paper. . - ISSN 0992-7689РУБ Astronomy & Astrophysics + Geosciences, Multidisciplinary + Meteorology & Atmospheric Sciences

Аннотация: It is well known that lithospheric electromagnetic emissions are generated before earthquakes occurrence. In our study, we consider the physical penetration mechanism of the electric field from the Earth's surface, through the atmosphere-ionosphere layers, and until its detection in space by satellites. A simplified approach is investigated using the electric conductivity equation, i.e., del((sigma) over cap.del Phi) = 0 in the case of a vertical inclination of the geomagnetic field lines. Particular interest is given to the conductivity profile near the ground and the electric field distribution at the Earth's surface. Our results are discussed and compared to the models of Pulinets et al. (2003) and Denisenko et al. (2008). It is shown that the near ground atmospheric layer with low conductivity decreases the electric field penetration into the ionosphere. The model calculations have demonstrated that the electric field of lithospheric origin is too weak to be observed at satellite altitudes.


Доп.точки доступа:
Ampferer, M.; Denisenko, V.V.; Денисенко, Валерий Васильевич; Hausleitner, W.; Krauss, S.; Stangl, G.; Boudjada, M.Y.; Biernat, H.K.

[Text] / V. V. Denisenko [et al.] // Ann. Geophys. - 2008. - Vol. 26, Is. 8. - P2111-2130. - Cited References: 19. - This work is supported by grant 07-05-00135 from the Russian Foundation for Basic Research, by the Programs 16.3 and 2.16 of the Russian Academy of Sciences, and by project I.2/04 from "Osterreichischer Austauschdienst". It is also supported by the Austrian "Fonds zur Forderung der wissenschaftlichen Forschung" under projects P17100-N08 and P20145-N16. We acknowledge support by the Austrian Academy of Sciences, "Verwaltungstelle fur Auslandsbeziehungen", and the Russian Academy of Sciences. . - ISSN 0992-7689РУБ Astronomy & Astrophysics + Geosciences, Multidisciplinary + Meteorology & Atmospheric Sciences

Аннотация: A quantitative division of the ionosphere into dynamo and motor regions is performed on the base of empirical models of space distributions of ionospheric parameters. Pedersen and Hall conductivities are modified to represent an impact of acceleration of the medium because of Ampere's force. It is shown that the currents in the F(2) layer are greatly reduced for processes of a few hours duration. This reduction is in particular important for the night-side low-latitude ionosphere. The International Reference Ionosphere model is used to analyze the effect quantitatively. This model gives a second high conducting layer in the night-side low-latitude ionosphere that reduces the electric field and equatorial electrojets, but intensifies night-side currents during the short-term events. These currents occupy regions which are much wider than those of equatorial electrojets. It is demonstrated that the parameter sigma(d)=sigma(P)+sigma(H)Sigma(H)/Sigma(P) that involves the integral Pedersen and Hall conductances Sigma(P), Sigma(H) ought to be used instead of the local Cowling conductivity sigma C in calculations of the electric current density in the equatorial ionosphere. We may note that Gurevich et al. (1976) derived a parameter similar to sigma(d) for more general conditions as those which we discuss in this paper; a more detailed description of this point is given in Sect. 6. Both, sigma(d) and sigma(C), appear when a magnetic field line is near a nonconducting domain which means zero current through the boundary of this domain. The main difference between sigma(d) and sigma(C) is that sigma d definition includes the possibility for the electric current to flow along a magnetic field line in order to close all currents which go to this line from neighboring ones. The local Cowling conductivity sigma(C) corresponds to the current closure at each point of a magnetic field line. It is adequate only for a magnetic field line with constant local conductivity at the whole line when field-aligned currents do not exist because of symmetry, but sigma(C)=sigma(d) in this case. So, there is no reason to use the local Cowling conductivity while the Cowling conductance Sigma(C)=Sigma(P)+Sigma(2)(H)/Sigma(P) is a useful and well defined parameter.


Доп.точки доступа:
Denisenko, V.V.; Денисенко, Валерий Васильевич; Biernat, H.K.; Mezentsev, A.V.; Shaidurov, V.A.; Zamay, S.S.

[Text] / V. V. Denisenko, S. S. Zamay // Geomagn. Aeron. - 2001. - Vol. 41, Is. 1. - P91-95. - Cited References: 19 . - ISSN 0016-7932РУБ Geochemistry & Geophysics

Аннотация: A method for estimating the effect of ponderomotive forces on the distribution of large-scale electric fields and currents in the ionosphere has been proposed. A model of the ionosphere as a global conductor is used to re-calculate local values of the conductivity tensor components in such a way that the acceleration of the medium under the action of ponderomotive forces would be taken into account. A multifold decrease in the F-2-layer effective conductivity has been found for processes lasting for several hours. In this case, the contribution of the entire F layer to the integral conductivity is significantly lowered and becomes negligible for the daytime ionosphere. In the nighttime, the F-layer contribution to the integral Pedersen conductivity several times exceeds the E-layer contribution.


Доп.точки доступа:
Zamay, S.S.; Денисенко, Валерий Васильевич

[Text] / V. V. DENISENKO, S. S. ZAMAY // Planet Space Sci. - 1992. - Vol. 40, Is. 7. - P941-952, DOI 10.1016/0032-0633(92)90134-A. - Cited References: 47 . - ISSN 0032-0633РУБ Astronomy & Astrophysics

Аннотация: A model of the ionosphere as a global conductor is used to examine synchronous variations of electric fields and currents at high and low latitudes. The special form of a boundary value problem and a multigrid numerical method permit investigation of auroral field penetration to the equator. A model of field-aligned currents and conductivities for expansion and recovery phases of a substorm are suggested, which are in accordance with empirical models and with theory of field-aligned current dynamics. Electric field distributions near the equator, which were obtained as a result of calculations, are in accordance with observations during substorms. It is shown that the contribution of high latitude sources to low latitude electric fields and currents during quiet-time periods is comparable with that given by dynamo fields. The nature of the post-sunset peak of the zonal electric field at the equator and seasonal variations of this peak are explained.


Доп.точки доступа:
ZAMAY, S.S.; Денисенко, Валерий Васильевич

[Текст] / V. V. DENISENKO [и др.] // Geomagn. Aeron. - 1992. - Vol. 32, Is. 3. - С. 142-145. - Cited References: 7 . - ISSN 0016-7940РУБ Geochemistry & Geophysics


Доп.точки доступа:
Denisenko, V.V.; Денисенко, Валерий Васильевич; ZAMAI, S.S.; KITAEV, A.V.; MATVEENKOV, I.T.; PIVOVAROV, V.G.

[Текст] / V. V. DENISENKO, S. S. ZAMAI // Geomagn. Aeron. - 1991. - Vol. 31, Is. 3. - С. 539-542. - Cited References: 11 . - ISSN 0016-7940РУБ Geochemistry & Geophysics


Доп.точки доступа:
ZAMAI, S.S.; Денисенко, Валерий Васильевич

[Текст] / V. V. Denisenko, A. V. Kitaev // Geomagn. Aeron. - 1996. - Vol. 36, Is. 5. - С. 66-74. - Cited References: 17 . - ISSN 0016-7940РУБ Geochemistry & Geophysics



Доп.точки доступа:
Kitaev, A.V.; Денисенко, Валерий Васильевич

[Text] / V. V. Denisenko, V. V. Bychkov, E. V. Pomozov // Geomagn. Aeron. - 2009. - Vol. 49, Is. 8. - P1275-1277, DOI 10.1134/S0016793209080489. - Cited References: 4. - This work was supported by the Russian Foundation for Basic Research (project no. 07-05-00135) and the Russian Academy of Sciences (program nos. 2.16 and 16.3). . - ISSN 0016-7932РУБ Geochemistry & Geophysics

Аннотация: The spatial distributions of electric fields and currents in the Earth's atmosphere are calculated. Electric potential distributions typical of substorms and quiet geomagnetic conditions are specified in the ionosphere. The Earth is treated as a perfect conductor. The atmosphere is considered as a spherical layer with a given height dependence of electrical conductivity. With the chosen conductivity model and an ionospheric potential of 300 kV with respect to the Earth, the electric field near the ground is vertical and reaches 110 Vm(-1). With the 60-kV potential difference in the polar cap of the ionosphere, the electric field disturbances with a vertical component of up to 13 V m(-1) can occur in the atmosphere. These disturbances are maximal near the ground. If the horizontal scales of field nonuniformity are over 100 km, the vertical component of the electric field near the ground can be calculated with the one-dimensional model. The field and current distributions in the upper atmosphere can be obtained only from the three-dimensional model. The numerical method for solving electrical conductivity problems makes it possible to take into account conductivity inhomogeneities and the ground relief.


Доп.точки доступа:
Denisenko, V.V.; Денисенко, Валерий Васильевич; Bychkov, V.V.; Pomozov, E.V.; Помозов, Егор Владимирович; Russian Foundation for Basic Research [07-05-00135]; Russian Academy of Sciences

[Text] : статья / N. Rubab [et al.] // Proceedings of the 7th International Workshop on Planetary, Solar and Heliospheric Radio Emissions. - 2011. - p. 559-569
Аннотация: Dust kinetic Alfven waves (DKAW) instability with Kappa-distributed ions streaming effects have been examined rigorously in a uniform dusty magnetoplasma. A dispersion relation of low-frequency DKAW instability on the dust acoustic velocity branch is obtained in a low-beta Lorentzian plasma. It is found that nonthermality is more effective for dust kinetic Alfven waves in the perpendicular component having finite larmor radius effects. Lorentzian type charging currents are obtained with the aid of Vlasov theory. Effect of different dust parameters on the growth rates of instability are considered. Damping/instability due to dust charge fluctuation is found to be insensitive to the form of the distribution function for DKAW. Possible applications to dusty space plasmas are pointed out.

Полный текст на сайте издательства

Держатели документа:
ИВМ СО РАН : 660036, Красноярск, Академгородок, 50, стр.44

Доп.точки доступа:
Rubab, N.; Biernat, H.K.; Erkaev, N.V.; Еркаев, Николай Васильевич; Langmayr, D.; International Workshop on Planetary, Solar and Heliospheric Radio Emissions(7 ; September 15-17, 2010 ; Graz)

[Text] : статья / I. V. Stepanova, I. I. Ryzhkov // Proceedings of 5-th Int. Workshop in Group analysis of differential equations and integrable system. - 2011. - p. 200-206 . - ISBN 978-9963-700-07-3
Аннотация: Dust kinetic Alfven waves (DKAW) instability with Kappa-distributed ions streaming effects have been examined rigorously in a uniform dusty magnetoplasma. A dispersion relation of low-frequency DKAW instability on the dust acoustic velocity branch is obtained in a low-beta Lorentzian plasma. It is found that nonthermality is more effective for dust kinetic Alfven waves in the perpendicular component having finite larmor radius effects. Lorentzian type charging currents are obtained with the aid of Vlasov theory. Effect of different dust parameters on the growth rates of instability are considered. Damping/instability due to dust charge fluctuation is found to be insensitive to the form of the distribution function for DKAW. Possible applications to dusty space plasmas are pointed out.

Сборник трудов на сайте издательства

Держатели документа:
ИВМ СО РАН : 660036, Красноярск, Академгородок, 50, стр.44

Доп.точки доступа:
Ryzhkov, I.I.; Рыжков, Илья Игоревич; Степанова, Ирина Владимировна; International Workshop in Group analysis of differential equations and integrable system(5 ; June 6–10, 2010 ; Protaras)

/ A. V. Kitaev // Planetary and Space Science. - 1993. - Vol. 41, Is. 2. - P147-151 . - ISSN 0032-0633
Аннотация: A mechanism of the observed IMF By penetration into the magnetosphere is discussed. It is argued that diffusion of the IMF through the magnetopause prevails when the IMF is sufficiently weak. The diffusive penetration coefficient ? defined as the ratio between the internal By penetration and the IMF By is estimated to be of order Rm- 1 4, where Rm is the magnetic Reynolds number. A model is developed to describe quantitatively a magnetic field in the outer solar wind flow (within the diffusive magnetopause) and the IMF-related magnetic field in the magnetosphere. The calculated values of the diffusive penetration coefficient are consistent with the observational data. Some difference in the results is mainly due to the electric currents inside the magnetosphere which are caused by the penetration of the solar wind electric field into the magnetosphere along the open field lines. The further improvement of the model implies the incorporation of this current system. В© 1993.

Scopus

Держатели документа:
Computer Center, Russian Academy of Science, Krasnoyarsk, 660036, Russian Federation
ИВМ СО РАН

Доп.точки доступа:
Kitaev, A.V.; Китаев, Анатолий Валерьевич

/ N. V. Erkaev [et al.] // Journal of Atmospheric and Terrestrial Physics. - 1994. - Vol. 56, Is. 2. - P153-166 . - ISSN 0021-9169
Аннотация: We discuss three different processes which generate electric fields at the magnetopause during northward interplanetary magnetic field (IMF) conditions. These are (1) Petschek-type magnetic field reconnection, (2) magnetic field diffusion, and (3) viscous-like interaction resulting from the Kelvin-Helmholtz instability. For northward IMF all three processes lead to the formation of a boundary layer on closed magnetic field lines adjacent to the magnetospheric boundary. The thickness of the boundary layer depend on Petschek's parameter in the first case, the magnetic Reynolds number in the second case, and an effective Reynolds number in the third case. In each case coupling between the boundary layer and the ionosphere occurs via field-aligned currents. These field-aligned currents result from the penetration into the polar ionosphere of the electric field generated at the magnetospheric boundary. These currents are closed by a transverse current in the boundary layer and the associated Lorentz force causes a decrease of the kinetic energy of the solar wind plasma inside the boundary layer. As a result of this velocity decrease the thickness of the boundary layer increases on both flanks of the magnetosphere near the equatorial plane. The convergence of the boundary layer on the dawn and dusk sides leads to antisunward plasma flow in the magnetospheric tail. В© 1994.

Scopus

Держатели документа:
Computing Center, Siberian Branch, the Academy of Sciences, Krasnoyarsk, Russian Federation
Arctic and Antarctic Research Institute, St Petersburg, Russian Federation
ИВМ СО РАН

Доп.точки доступа:
Erkaev, N.V.; Еркаев, Николай Васильевич; Mezentsev, A.V.; Denisenko, V.V.; Денисенко, Валерий Васильевич; Zamay, S.S.; Troshichev, O.A.

[Text] / A. V. Kitaev // PROBLEMS OF GEOSPACE : VERLAG OSTERREICHISCHEN AKAD WISSENSCHAFTEN, 1997. - International Conference on Problems of Geocosmos (JUN 17-23, 1996, PETRODVORETS, RUSSIA). - P101-106. - Cited References: 10 . - ISBN 3-7001-2676-XРУБ Astronomy & Astrophysics + Geochemistry & Geophysics + Geosciences, Multidisciplinary + Meteorology & Atmospheric Sciences

Аннотация: Mathematical models of a fully closed magnetospheric magnetic field and of a diffusive magnetopause are combined to calculate the electric field and the field-aligned currents in the dayside cusp region of the ionosphere. The electric potential at the magnetopause resulting from magnetic field diffusion is mapped into the ionosphere and then used to calculate the field-aligned currents in the ionosphere. The obtained field-aligned current system includes region 1 located along the equatorial boundary of the cusp, and region 3 located by 1-2 degrees poleward. The region 1 in the model corresponds to the frontside of the magnetospheric boundary whereas the region 3 is coupled with the magnetopause in the magnetotail. Region 3 currents are shown to be due to the electric potential magnitude decreasing in the antisolar direction. Such a behaviour of the electric potential looks natural for all other possible electric held generation mechanisms at the magnetopause and, therefore, it is reasonable to expect them to generate region 3 field aligned currents.

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Держатели документа:
Russian Acad Sci, Ctr Comp, Krasnoyarsk 660036, Russia
ИВМ СО РАН

Доп.точки доступа:
Kitaev, A.V.; Китаев, Анатолий Валерьевич

[Text] / A. P. Shevyrnogov, G. S. Vysotskaya // SYNERGISTIC USE OF MULTISENSOR DATA FOR LAND PROCESSES. Ser. ADVANCES IN SPACE RESEARCH : PERGAMON PRESS LTD, 1998. - Vol. 22: A3 1 Symposium of COSPAR Scientific Commission A on Synergistic Use of Multisensor Data for Land Processes at 31st COSPAR Scientific Assembly (JUL 14-21, 1996, BIRMINGHAM, ENGLAND), Is. 5. - P701-704, DOI 10.1016/S0273-1177(97)01136-8. - Cited References: 7 . - ISBN 0273-1177. - ISBN 0-08-043469-XРУБ Engineering, Aerospace + Astronomy & Astrophysics + Geosciences, Multidisciplinary + Meteorology & Atmospheric Sciences + Remote Sensing

Аннотация: To preserve and utilize the biosphere it is imperative that we understand the long-term dynamics of the primary production process on our planet. Variability of chlorophyll concentration in the ocean is one of the most important components of this process. However, size and access make its investigation labour-intensive. Dependence of primary production on high variability of hydrophysical phenomena in the ocean (fluctuations of currents, frontal zones, etc.) makes it difficult to locate points to measure chlorophyll concentration dynamics. To locate such quasistationary zones with respect to seasonal dynamics of chlorophyll concentration by satellite data the Institute of Biophysics (Russian Academy of Sciences, Siberian Branch) has developed a geoinformation system. II use made it possible to locate such zones over the entire ocean. The work shows zones on the Central and Northern Atlantic. They form the ground to analyse perennial dynamics of chlorophyll concentration. The quasistationary zones are proposed for systematic monitoring of phytopigment concentration by space-borne and marine craft. (C) 1998 COSPAR. Published by Elsevier Science Ltd.

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Scopus

Держатели документа:
Russian Acad Sci, Siberian Branch, Inst Biophys, Krasnoyarsk 660036, Russia
Russian Acad Sci, Siberian Branch, Ctr Comp, Krasnoyarsk 660036, Russia
ИБФ СО РАН
ИВМ СО РАН
Institue of Biophysics, Siberian Branch, Russian Academy of Sciences, Academgorodok 660036, Krasnoyarsk, Russian Federation
Computer Center, Siberian Branch, Russian Academy of Sciences, Academgorodok 660036, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Shevyrnogov, A.P.; Vysotskaya, G.S.; Высоцкая, Галина Степановна

/ A. Shevyrnogov, G. Vysotskaya // Advances in Space Research. - 2007. - Vol. 39, Is. 1. - P. 197-202, DOI 10.1016/j.asr.2006.10.015 . - ISSN 0273-1177
Аннотация: To preserve the biosphere and to use it efficiently, it is necessary to gain a deep insight into the dynamics of the primary production process on our planet. Variability of chlorophyll concentration in the ocean is one of the most important components of this process. These investigations are, however, very labor-consuming, because of the difficulties related to the accessibility of the water surface and its large size. In this work long-term changes in chlorophyll concentration in the surface layer of the ocean have been analyzed on the basis of the CZCS data for 7.5 years from 1979 to 1986 and the SeaWiFS data from 1997 to 2004. It has been shown that the average chlorophyll concentration calculated in all investigated areas varies moderately. However, when analyzing spatially local trends, the areas have been detected that have significant rise and fall of chlorophyll concentrations. Some interesting features of the long-term dynamics of chlorophyll concentration have been found. The opposite directions of long-term trends (essential increase or decrease) cannot be explained only by large-scale hydrological phenomena in the ocean (currents, upwellings, etc.). The measured chlorophyll concentration results from the balance between production and destruction processes. Which process dominates is determined by various hydrophysical, hydrobiological, and climatic processes, leading to sharp rises or falls of the concentration. It is important to estimate the scale of the areas in which this or that process dominates. Therefore, the study addresses not only the dynamics of the mean value but also the dynamics of the areas in which the dominance of certain factors has led to a sharp fall or rise in chlorophyll concentration. Thus, the obtained results can be used to estimate long-term changes in the ocean biota. В© 2006 COSPAR.

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Полный текст


Доп.точки доступа:
Shevyrnogov, A.; Vysotskaya, G.; Высоцкая, Галина Степановна

/ V. V. Denisenko // Russ. J. Phys. Chem. B. - 2015. - Vol. 9, Is. 5. - P789-795, DOI 10.1134/S199079311505019X . - ISSN 1990-7931
Аннотация: Known models of the penetration of the electric field from the Earth’s surface to the ionosphere due to the electric conductivity of the atmosphere, including models with external currents, are analyzed. Principle disadvantages of models predicting a considerable penetration of the field to the ionosphere are described. It is shown that the penetrating fields are too weak and this makes it impossible to detect them in data of satellite measurements on the background of usual ionospheric fields. A conclusion is made about the necessity to study other physical processes providing the influence of lithospheric processes on the ionosphere. © 2015, Pleiades Publishing, Ltd.

Scopus,
WOS

Держатели документа:
Institute of Computational Modelling, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Денисенко, Валерий Васильевич

[Текст] : статья / Г. В. Макарская, А. В. Андрианова, С. В. Тарских // Проблемы патологии, иммунологии и охраны здоровья рыб и других гидробионтов. - 2015. - С. 563-570 . - ISBN 978-5-906682-37-6
   Перевод заглавия: The interspecific and age features of antioxidant activity of suspended tissue of amphipods from different water-currents
Аннотация: The general and specific features of kinetics of free radicals formations and them elimination in tissue homogenates of amphipods depending on their species belonging, a place and conditions of inhabitation, age are revealed by chemiluminescent analysis of kinetics of oxidative activity in conditions of activation oxidative stress by peroxide of hydrogen in vitro.

РИНЦ,
Источник статьи

Держатели документа:
Институт вычислительного моделирования СО РАН
Красноярский научный центр СО РАН
Научно-исследовательский институт экологии рыбохозяйственных водоемов

Доп.точки доступа:
Андрианова, Анна Владимировна; Andrianova A.V.; Тарских, С.В.; Tarskikh S.V.; Makarskaya G.V.; IV Международная конференция "Проблемы патологии, иммунологии и охраны здоровья рыб и других гидробионтов" (2015 ; 24.09 - 27.09 ; Борок)

/ T. Iakubailik, L. Kompaniets // WATER, RESOURCES, FOREST, MARINE AND OCEAN ECOSYSTEMS CONFERENCE : STEF92 TECHNOLOGY LTD, 2016. - 16th International Multidisciplinary Scientific Geoconference (SGEM (JUN 30-JUL 06, 2016, Albena, BULGARIA). - P407-414. - (International Multidisciplinary Scientific GeoConference-SGEM). - Cited References:7 . - РУБ Water Resources

Аннотация: Salt stratified Lake Shira is the subject of extensive research because of its central role in the Khakassia (Russia) resort area. Hydro regime influences both biological and chemical properties of a lake. Generally mathematical modelling of Lake Shira hydrophysics was based on assumption of a uniform horizontal initial distribution of salinity. It was believed that freshening had little effect on the lake hydrophysics because of the small Son River tributary. This work is an attempt to determine the effect of freshened lake area on the lake hydrophysics and its ecological condition. 3D mathematical modelling based on modern computer packages is used to study in detail the influence of non-uniform salinity due to the influx of the Son River on the flow structure in Lake Shira. Numerical simulation has shown that even a relatively small area of fresh water in shallow part of this lake has a significant impact on the wind currents in the lake if they are accompanied by internal waves

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Держатели документа:
RAS, ICM SB, Krasnoyarsk, Russia.

Доп.точки доступа:
Iakubailik, Tatiana; Kompaniets, Lidiya