Search Results - "Kalugin, I. A."
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Morphology of Lakes of the Central Tunguska Plateau (Krasnoyarsk Krai, Evenkiya): New Data on the Problem of the Tunguska Event of 1908
Published in Doklady earth sciences (01-09-2023)“…The bottom morphology and thickness of bottom sediments of Zapovednoye and Peyungda lakes, which were located on the territory of the Tunguska State Nature…”
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Dielectric Spectra and d-bands Structure of Germanium, Tin, and Lead Tellurides
Published in Russian physics journal (2021)“…The known experimental absorption spectra were used to calculate the dielectric spectra of GeTe, SnTe, and PbTe crystals in the region of electron transitions…”
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Traces of the Tunguska Event (1908) in Sediments of Zapovednoe Lake Based on SR–XRF Data
Published in Doklady earth sciences (01-06-2020)“…An anomalous layer enriched with chemical elements indicating the presence of terrigenous matter was discovered in the sediment core of Zapovednoe Lake located…”
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Complex use of the geochemical features of bottom deposits and pollen records for paleoclimate reconstructions (with lake Teletskoe, Altai Republic, as an example)
Published in Contemporary problems of ecology (01-07-2015)“…The delayed response of taiga and steppe biomes to climate changes has been detected with Lake Teletskoe as an example. A paleoreconstruction has been made on…”
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Reconstruction of the conditions of Late Holocene sedimentation by integrated analysis of a core of the bottom sediments from the Chukchi Sea
Published in Doklady earth sciences (01-08-2016)“…Integrated studies were performed on bottom sediments collected in the Chukchi Sea in the northern part of the Gerald Canyon 150 km northeast from Wrangel…”
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Influence of meteorological conditions on the geochemistry of modern bottom sediments exemplified by deposits of Donguz-Orun Lake, Caucasus
Published in Doklady earth sciences (01-08-2015)“…Cores of bottom sediments from epiglacial Donguz-Orun Lake (Cis-Elbrusian, Northern Caucasus) have been studied. Here we present descriptions of the sampling…”
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Climate prediction for the extratropical northern hemisphere for the next 500 years based on periodic natural processes
Published in Russian meteorology and hydrology (01-09-2016)“…Five paleoclimatic reconstructions for the extratropical Northern Hemisphere are decomposed into quasiperiodic variations using the spectral analysis methods…”
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Seasonal and inter-annual sedimentation in meromictic Lake Shira (Siberia, Russia) during disturbance of meromixis
Published in Journal of paleolimnology (01-04-2023)“…Detailed studies of processes of sediment-record formation are necessary for accurate sediment-derived paleo environmental reconstructions. In order to…”
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Carotenoids in bottom sediments of lake Shira as a paleoindicator for reconstruction of Lake States in Khakassiya, Russia
Published in Contemporary problems of ecology (01-07-2012)“…The concentrations of carotenoids buried in the bottom sediments of Lake Shira (Siberia, Khakassiya) have analyzed for the period of the last 2300 years. The…”
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10
Parameters of Fundamental Optical Functions and Elementary Transition Bands for Mg2X Compounds (X = Si, Ge, Sn)
Published in Journal of applied spectroscopy (01-03-2021)“…The spectra of 16 optical functions of the group of compounds Mg 2 X (X=Si, Ge, Sn) in the range of 1–11 eV at 77 K were determined and compared. Their main…”
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Disequilibrium between uranium and its progeny in the Lake Issyk-Kul system (Kyrgyzstan) under a combined effect of natural and manmade processes
Published in Journal of environmental radioactivity (2005)“…The Kadji-Sai abandoned field of U-bearing brown coal on the southern coast of Lake Issyk-Kul (Kyrgyzstan) poses a threat of radioactive pollution to the…”
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Long-Chain Alkenones in Sediments of Lake Utichye-3 (Southern Siberia, Khakassia) as a Paleo-Indicator of Climate Change
Published in Contemporary problems of ecology (2024)“…Long-chain alkenones are produced exclusively by certain species of microalgae Isochrysidales of the order of haptophytes (Haptophyta). These are…”
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13
Calculation of Parameters of Prism Deflector for Laser Scanner
Published in Pribory i metody izmererij (07-04-2023)“…The prism deflector which is a multifaceted prism with reflective facets is the most common scanning element that allows to quickly fill a wide scanning area…”
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Sedimentation rate in Cheko Lake (Evenkia, Siberia): New evidence on the problem of the 1908 Tunguska Event
Published in Doklady earth sciences (01-10-2017)“…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…”
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Scanning X-ray microanalysis of bottom sediments using synchrotron radiation from the BINP VEPP-3 storage ring
Published in Bulletin of the Russian Academy of Sciences. Physics (01-02-2013)“…Combining the features of synchrotron radiation (low angular divergence and continuous spectrum, natural polarization, and high intensity) with the use of…”
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Archive data on climate changes and seismic events in glacial clays of Lake Kucherla (Altai region, Russia)
Published in Geodinamika i tektonofizika (23-09-2020)“…Core samples taken from the bottom sediments of the glacial Lake Kucherla (Gorny Altai, Russia) clearly show annual layers represented by glacial clays. In our…”
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Influence of Global Climate Changes in Past Centuries on the Chemical Composition of Bottom Sediments in the Chukchi Sea
Published in Russian meteorology and hydrology (01-04-2018)“…The sedimentary cores from the southern and northern parts of the Chukchi Sea illustrate the influence of climate and environmental conditions on the chemical…”
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18
Natural periodic processes and climate variability in the Northern Hemisphere
Published in Doklady earth sciences (01-12-2017)“…Decomposition of five different paleoclimatic reconstructions of regional and hemispheric scale into different frequency periodic components has been performed…”
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Geochemical indicators of paleo-typhoons in shelf sediments
Published in Geochemistry international (01-04-2015)“…Tropical cyclones or typhoons, as they are referred to in the West Pacific and Indian oceans, are among the most dangerous natural processes. When impacting a…”
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Chukchi Sea Ice Conditions for the Last Few Centuries: Reconstruction from Sedimentation Records
Published in Doklady earth sciences (01-06-2018)“…For the first time, the reconstruction of variations in the duration over several hundred years was conducted on the basis of models developed by comparing…”
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