Search Results - "V. Ya. Lipenkov"

Dust size evidence for opposite regional atmospheric circulation changes over east Antarctica during the last climatic transition by DELMONTE, B, PETIT, J. R, ANDERSEN, K. K, BASILE-DOELSCH, I, MAGGI, V, LIPENKOV, V. Ya

“…Three east Antarctic ice cores (Dome B, EPICA-Dome C and Komsomolskaia) give evidence for a uniform dust input to the polar plateau during the last glacial…”
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Cell concentrations of microorganisms in glacial and lake ice of the Vostok ice core, East Antarctica by Bulat, S. A, Alekhina, I. A, Lipenkov, V. Ya, Lukin, V. V, Marie, D, Petit, J. R

“…Without Abstract…”
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Preservation of the Climatic Signal in the Old Ice Layers at the Dome B Area (Antarctica) by Ekaykin, A. A., Lipenkov, V. Ya, Tchikhatchev, K. B.

“…In this work we present the results of numerical modeling of the age and temperature distribution in ice layers at the Dome B site (79.02° S, 93.69° E,…”
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Causes of Uncertainties in Paleoclimatic Reconstructions Based on the Oxygen Isotope Composition of Glacier Ice on Elbrus (Western Plateau) by Chizhova, Ju. N., Mikhalenko, V. N., Kutuzov, S. S., Lavrentiev, I. I., Lipenkov, V. Ya, Kozachek, A. V.

“…Received July 28, 2023; revised September 2, 2023; accepted October 2, 2023A study of the isotope signature of glacial ice in the Western Elbrus Plateau (the…”
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Vertical profile of snow-firn density in the vicinity of Vostok station, Central Antarctica by A. A. Ekaykin, K. B. Tchikhatchev, A. N. Veres, V. Ya. Lipenkov, N. A. Tebenkova, A. V. Turkeev

“…The density of the snow and firn thickness is one of the fundamental and most important physical properties of the polar ice sheets. The data on density is…”
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HUNTING FOR ANTARCTICA'S OLDEST ICE by Lipenkov, V. Ya, Ekaykin, A. A.

“…One of the key priority tasks for the international Antarctic community is drilling and studying old Antarctic ice with age exceeding 1  million years in order…”
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Preservation of the climatic signal in the old ice layers at Dome B area (Antarctica) by A. A. Ekaykin, V. Ya. Lipenkov, K. B. Tchikhatchev

“…In this work we have presented the results of numerical modeling of the age and temperature distribution in ice layers at Dome B site (79,02° S, 93,69° E,…”
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Underestimation of Snow Accumulation Rate in Central Antarctica (Vostok Station) Derived from Stake Measurements by Ekaykin, A. A., Teben’kova, N. A., Lipenkov, V. Ya, Tchikhatchev, K. B., Veres, A. N., Richter, A.

“…It is shown that the snow stake measurements in central Antarctica systematically underestimate the value of the snow build-up. Two methods for the calculation…”
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The Mid-Pleistocene Transition and the Vostok Oldest Ice Challenge by Lipenkov, V. Ya, Raynaud, D.

“…Marine records indicate a dramatic change in the predominant periodicity of climate variability, from about 40 ka to about 100 ka around one million years ago…”
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On the possibility to restore the climatic signal in the disturbed record of stable water isotope content in the old (0.4–1.2 Ma) Vostok ice (Central Antarctica) by Ekaykin, A. A., Lipenkov, V. Ya, Veres, A. N., Kozachek, A. V., Skakun, A. A.

“…In this work we have presented new detailed (with the resolution of 10 cm) stable water isotope (δD and δ18O) profile measured in the central Antarctic Vostok…”
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Variations of snow accumulation rate in Central Antarctica over the last 250 years by Ekaykin, A. A., Vladimirova, D. O., Lipenkov, V. Ya

“…The present-day global climate changes, very likely caused by anthropogenic activity, may potentially present a serious threat to the whole human civilization…”
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Temperature‐Driven Bubble Migration as Proxy for Internal Bubble Pressures and Bubble Trapping Function in Ice Cores by Dadic, R., Schneebeli, M., Wiese, M., Bertler, N. A. N., Salamatin, A. N., Theile, T. C., Alley, R. B., Lipenkov, V. Ya

“…Ice core data record significant and abrupt past climate changes that are associated with large and rapid changes in atmospheric greenhouse gases, such as…”
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Spatial–temporal dynamics of chemical composition of surface snow in East Antarctica along the Progress station–Vostok station transect by Khodzher, T. V, Golobokova, L. P, Osipov, E. Yu, Shibaev, Yu. A, Lipenkov, V. Ya, Osipova, O. P, Petit, J. R

“…In January of 2008, during the 53rd Russian Antarctic Expedition, surface snow samples were taken from 13 shallow (0.7 to 1.5 m depth) snow pits along the…”
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CLIMATIC VARIABILITY IN THE ERA OF MIS‑11 (370–440 KA BP) ACCORDING TO ISOTOPE COMPOSITION (ΔD, Δ18O, Δ17O) OF ICE FROM THE VOSTOK STATION CORES by Veres, A. N., Ekaykin, A. A., Vladimirova, D. O., Kozachek, A. V., Lipenkov, V. Ya, Skakun, A. A.

“…The results of detailed isotopic studies of ice core samples from the Vostok station (East Antarctica) related to the MIS-11  era (the 11th sea isotope stage,…”
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Steady-state size distribution of air bubbles in polar ice by Lipenkov, V. Ya, Salamatin, A. N.

“…Between the close-off depth and the bubble-to-hydrate transition zone in polar ice sheets, the geometrical properties of air bubbles, such as number…”
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Phenol compounds in the borehole 5G, Vostok station, after the unlocking of the subglacial lake by Alekhina, I. A., Moskvin, A. L., Ekaykin, A. A., Lipenkov, V. Ya

“…The main results after the first unlocking into the subglacial Lake Vostok were as follows: the Lake had been opened and not polluted; the water pressure…”
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The variability of climate in Indian Ocean sector of East Antarctica over the past 350 years by Vladimirova, D. O., Ekaykin, A. A., Lipenkov, V. Ya

“…The temperature and snow accumulation rate anomaly over the past 350 years have been reconstructed based on isotopic composition of shallow ice cores and snow…”
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ISOTOPIC REGIME OF SUBGLACIAL LAKE VOSTOK ON EVIDENCE FROM DEEP ICE CORE STUDIES by Ekaykin, A. A., Lipenkov, V. Ya, Kozachek, A. V.

“…On the 5th of February 2012 the long-lasting project of deep ice drilling at Russian Antarctic station of Vostok was completed by the penetration to the…”
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SPATIAL DISTRIBUTION OF THE SNOW ACCUMULATION RATE ALONG THE ICE FLOW LINES BETWEEN RIDGE B AND LAKE VOSTOK by Ekaykin, A. A., Lipenkov, V. Ya, Shibaev, Yu. A.

“…During the 45th–57th Russian Antarctic Expeditions (1999–2012) an intensive program of glaciological and geophysical observations have been carried out in the…”
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REGULARITIES OF CONGELATION ICE DEVELOPMENT IN SUBGLACIAL LAKE VOSTOK by Lipenkov, V. Ya, Polyakova, E. V., Ekaykin, A. A.

“…Petrographic studies performed on the continuous basis along the two ice cores obtained from holes 5G-1 and 5G-2 at Vostok Station has allowed to characterize…”
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