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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Rogozin D. Y., Darin A. V., Kalugin I. A., Melgunov M. S., Meydus A. V., Degermendzhi A. G.
Заглавие : Sedimentation rate in Cheko Lake (Evenkia, Siberia): New evidence on the problem of the 1908 Tunguska Event
Колич.характеристики :3 с
Коллективы : Russian Foundation for Basic Research [16-04-00175, 16-05-00647]; Council on Grants of the President of the Russian Federation for Support of Leading Scientific Schools [NSh-9249.2016.5]
Место публикации : Dokl. Earth Sci.: MAIK NAUKA/INTERPERIODICA/SPRINGER, 2017. - Vol. 476, Is. 2. - С. 1226-1228. - ISSN 1028-334X, DOI 10.1134/S1028334X17100269. - ISSN 1531-8354(eISSN)
Примечания : Cited References:8. - This work was supported in part by the Russian Foundation for Basic Research (project nos. 16-04-00175 and 16-05-00647) and by the Council on Grants of the President of the Russian Federation for Support of Leading Scientific Schools (grant NSh-9249.2016.5).
Предметные рубрики: IMPACT
Аннотация: We estimated the age and sedimentation rate of bottom sediments in Cheko Lake located in southern Evenkia, in the territory of Tunguska Nature Reserve, near the supposed epicenter of the so-called 1908 Tunguska Event. The vertical distributions of Cs-137 and Pb-210 activity and visually counted varves in the core of lake bottom sediments indicate that Cheko Lake is significantly older than the 1908 Tunguska Event; therefore, the lake basin cannot be a crater or a trace of the explosion as was supposed earlier by some researchers.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Kletetschka G., Kavkova R., Navratil T., Takac M., Prach J., Vondrak D., Stuchlik E., Storc R., Svecova E., Horicka Z., Klokocnik J., Kostelecky J., Bezdek A., Rogozin D. Y., Meydus A., Krivobokov L., Mukhortova L., Darin A. V., Serra R., Stanghellini C., Gladysheva O. G.
Заглавие : New implications for Tunguska explosion based on magnetic, dendrological, and lacustrine records
Колич.характеристики :1 с
Коллективы : GACR [17-059355]; RVO [679 859 39]
Место публикации : Meteorit. Planet. Sci.: WILEY, 2019. - Vol. 54: 82nd Annual Meeting of the Meteoritical-Society (MetSoc) (JUL 07-12, 2019, Sapporo, JAPAN). - ISSN 1086-9379. - ISSN 1945-5100(eISSN)
Примечания : Cited References:8. - G. K was supported by the grant from GACR 17-059355 and RVO #679 859 39
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Darin A. V., Babich V. V., Kalugin I. A., Markovich T. I., Rogozin D. Y., Meidus A. V., Darin F. A., Rakshun Y. V., Sorokoletov D. S.
Заглавие : Geochemical Features of Annual Layers of Bottom Sediments of Freshwater Lakes, Studied via Synchrotron Radiation–Induced XRF Microanalysis
Место публикации : Bull. Russ. Acad. Sci. Phys.: Pleiades Publishing, 2019. - Vol. 83, Is. 11. - С. 1437-1440. - ISSN 10628738 (ISSN) , DOI 10.3103/S106287381911008X
Аннотация: Abstract: The possibility of distinguishing layer boundaries through lithological and geochemical indicators (Rb/Sr ratio) is shown by a case study of bottom sediments from Lake Kucherlinskoe (Altai). Based on the data from scanning synchrotron radiation–induced XRF microanalysis and isotope studies, a record of the Tunguska event of 1908 is found in the bottom sediments of Lake Zapovednoye, forty kilometers from the explosion’s epicenter. An anomalous layer in the sediments is associated with an increase in the terrigenous drift in the catchment area due to massive forest outfall and subsequent fires. The possibility of a targeted search for microparticles of extraterrestrial origin in lake sediments is demonstrated. © 2019, Allerton Press, Inc.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Darin A. V., Rogozin D. Y., Meydus A. V., Babich V. V., Kalugin I. A., Markovich T. I., Rakshun Y. V., Darin F. A., Sorokoletov D. S., Gogin A. A., Senin R. A., Degermendzhi A. G.
Заглавие : Traces of the Tunguska Event (1908) in Sediments of Zapovednoe Lake Based on SR–XRF Data
Место публикации : Dokl. Earth Sci.: Pleiades Publishing, 2020. - Vol. 492, Is. 2. - С. 442-445. - ISSN 1028334X (ISSN), DOI 10.1134/S1028334X20060045
Аннотация: Abstract: An anomalous layer enriched with chemical elements indicating the presence of terrigenous matter was discovered in the sediment core of Zapovednoe Lake located 60 km from the epicenter of the Tunguska event (1908) using synchrotron radiation X-ray fluorescence spectroscopy (SR–XRF). Radioisotope measurements indicate that the age of the layer is consistent with the date of the catastrophe. Apparently, the anomalous layer was formed as a result of an intense terrigenous matter inflow from the water catchment area due to massive forest falls and subsequent wildfires caused by the Tunguska event. Thus, it is established that targeted searches for microparticles of extraterrestrial origin can be carried out in the discovered and dated anomalous bottom sediment layer. © 2020, Pleiades Publishing, Ltd.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Darin, A., V, Rogozin, D. Yu, Meydus, A., V, Babich V. V., Kalugin I. A., Markovich, T., I, Rakshun, Ya, V, Darin F. A., Sorokoletov D. S., Gogin A. A., Senin R. A., Degermendzhi A. G.
Заглавие : Traces of the Tunguska Event (1908) in Sediments of Zapovednoe Lake Based on SR-XRF Data
Колич.характеристики :4 с
Коллективы : Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [19-04-00320, 19-05-50046]; Institute of Nuclear Physics, Siberian Branch, Russian Academy of SciencesRussian Academy of Sciences [RFMEFI62119X0022]
Место публикации : Dokl. Earth Sci.: MAIK NAUKA/INTERPERIODICA/SPRINGER, 2020. - Vol. 492, Is. 2. - С. 442-445. - ISSN 1028-334X, DOI 10.1134/S1028334X20060045. - ISSN 1531-8354(eISSN)
Примечания : Cited References:10. - This study was performed as a part of a State Assignment of the Institute of Geology and Mineralogy, Siberian Branch, Russian Academy of Sciences, and supported by the Russian Foundation for Basic Research, project nos. 19-04-00320 and 19-05-50046. This study was per-formed in the Shared Research Center "Siberian Synchrotron and Terahertz Radiation Center" on the basis of the VEPP-4-VEPP-2000 Electron-Positron Collider Complex of the Institute of Nuclear Physics, Siberian Branch, Russian Academy of Sciences, using equipment supported by project no. RFMEFI62119X0022.
Аннотация: An anomalous layer enriched with chemical elements indicating the presence of terrigenous matter was discovered in the sediment core of Zapovednoe Lake located 60 km from the epicenter of the Tunguska event (1908) using synchrotron radiation X-ray fluorescence spectroscopy (SR-XRF). Radioisotope measurements indicate that the age of the layer is consistent with the date of the catastrophe. Apparently, the anomalous layer was formed as a result of an intense terrigenous matter inflow from the water catchment area due to massive forest falls and subsequent wildfires caused by the Tunguska event. Thus, it is established that targeted searches for microparticles of extraterrestrial origin can be carried out in the discovered and dated anomalous bottom sediment layer.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Zuev I. V., Andrushchenko P. Y., Chuprov S. M., Zotina T. A.
Заглавие : Structural Features of Scales of Baikal Grayling Thymallus baicalensis under Conditions of an Altered Hydrological Regime
Место публикации : Inland Water Biol.: Pleiades journals, 2021. - Vol. 14, Is. 1. - С. 60-66. - ISSN 19950829 (ISSN), DOI 10.1134/S1995082920060176
Аннотация: Abstract: The number of circuli between annual scale rings of grayling Thymallus baicalensis Dybowski, 1874 sampled in the Yenisei River in the downstream section of the Krasnoyarsk Hydroelectric Power Station, which does not freeze in winter, have been investigated and compared with populations of grayling from large tributaries of the Yenisei River (Amyl, Kan, Nizhnyaya Tunguska, and Bolshaya Kheta). It has been shown that graylings inhabiting the Yenisei River have a significantly higher (1.5–2.0 times, p 0.01) number of circuli in the second, third, and fourth annual rings of the scales than in the populations from the tributaries, which corresponds to a higher growth rate of the grayling population in the Yenisei River. An assumption is made about the transition of graylings inhabiting the Yenisei River channel in the lower reaches of the hydroelectric station to a sedentary lifestyle. © 2021, Pleiades Publishing, Ltd.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Zuev, I., V, Andrushchenko, P. Yu, Chuprov S. M., Zotina T. A.
Заглавие : Structural Features of Scales of Baikal Grayling Thymallus baicalensis under Conditions of an Altered Hydrological Regime
Колич.характеристики :7 с
Коллективы : Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [18-44-240003]; Krasnoyarsk Regional Foundation [18-44-240003]; Siberian Federal University; Institute of Biophysics, Siberian Branch, Russian Academy of SciencesRussian Academy of Sciences
Место публикации : Inland Water Biol.: MAIK NAUKA/INTERPERIODICA/SPRINGER, 2021. - Vol. 14, Is. 1. - С. 60-66. - ISSN 1995-0829, DOI 10.1134/S1995082920060176. - ISSN 1995-0837(eISSN)
Примечания : Cited References:39. - This study was partly supported by the Russian Foundation for Basic Research and Krasnoyarsk Regional Foundation for the Support of Scientific and Scientific-Technical Activity (2018-2020), project no. 18-44-240003, and budget themes of the Siberian Federal University and the Institute of Biophysics, Siberian Branch, Russian Academy of Sciences
Аннотация: The number of circuli between annual scale rings of grayling Thymallus baicalensis Dybowski, 1874 sampled in the Yenisei River in the downstream section of the Krasnoyarsk Hydroelectric Power Station, which does not freeze in winter, have been investigated and compared with populations of grayling from large tributaries of the Yenisei River (Amyl, Kan, Nizhnyaya Tunguska, and Bolshaya Kheta). It has been shown that graylings inhabiting the Yenisei River have a significantly higher (1.5-2.0 times, p 0.01) number of circuli in the second, third, and fourth annual rings of the scales than in the populations from the tributaries, which corresponds to a higher growth rate of the grayling population in the Yenisei River. An assumption is made about the transition of graylings inhabiting the Yenisei River channel in the lower reaches of the hydroelectric station to a sedentary lifestyle.
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