Zobrazeno 1 - 10
of 52
pro vyhledávání: '"Igor Tokarev"'
Autor:
Igor Tokarev, Evgeny Yakovlev, Sergey Erokhin, Tamara Tuzova, Sergey Druzhinin, Andrey Puchkov
Publikováno v:
Water, Vol 16, Iss 11, p 1632 (2024)
Small intermountain river basins are most suitable for developing new methods to estimate water balance due to their well-defined catchment boundaries, relatively rapid runoff processes, and accessible landscapes for study. In general terms, dissecti
Externí odkaz:
https://doaj.org/article/216c09d0e0194f71862c3255c9c9383a
Autor:
Serge Rainjonneau, Igor Tokarev, Sergei Iudin, Saaketh Rayaprolu, Karan Pinto, Daria Lemtiuzhnikova, Miras Koblan, Egor Barashov, Mo Kordzanganeh, Markus Pflitsch, Alexey Melnikov
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 16, Pp 7062-7075 (2023)
Earth imaging satellites are a crucial part of our everyday lives that enable global tracking of industrial activities. Use cases span many applications, from weather forecasting to digital maps, carbon footprint tracking, and vegetation monitoring.
Externí odkaz:
https://doaj.org/article/9c768d2947c348639bddd99d89f76cd9
Publikováno v:
Water, Vol 15, Iss 10, p 1855 (2023)
In 2009–2018, the isotopic composition of oxygen and hydrogen in the atmospheric precipitation, groundwater and river and lake water of Lake Onega basin was studied. The weighted annual isotope composition of precipitation at Petrozavodsk was δ18O
Externí odkaz:
https://doaj.org/article/663d82c0135840a78c41b01af3565206
Autor:
Natalia Kulik, Natalia Efremenko, Vera Strakhovenko, Natalia Belkina, Galina Borodulina, Ekaterina Gatalskaya, Viktor Malov, Igor Tokarev
Publikováno v:
Water, Vol 15, Iss 5, p 964 (2023)
This paper presents the results of seasonal observations of the geochemical composition of the waters of the large tributaries of Lake Onego. The mineralogy and geochemistry of the suspended matter and the isotopic composition (oxygen-18 and deuteriu
Externí odkaz:
https://doaj.org/article/94c6ad7692b84f44b21e2713bdce65f3
Autor:
Yurij Vasil’chuk, Julia Chizhova, Natalia Frolova, Nadine Budantseva, Maria Kireeva, Alexander Oleynikov, Igor Tokarev, Ekaterina Rets, Alla Vasil’chuk
Publikováno v:
Geography, Environment, Sustainability, Vol 13, Iss 1, Pp 172-182 (2020)
This study aims to analyze the stable isotope composition of the snow cover of the Elbrus Mountain – the highest mountain in Europe. Snow sampled in the middle accumulation period in January 2017, February 2016, January 2001 and during snowmelt in
Externí odkaz:
https://doaj.org/article/89f23284dfa041408510f0c6d88bb7cb
Autor:
Dmitriy Bantcev, Dmitriy Ganyushkin, Anton Terekhov, Alexey Ekaykin, Igor Tokarev, Kirill Chistyakov
Publikováno v:
Water, Vol 14, Iss 2, p 252 (2022)
The objective of this study is to reveal the isotopic composition of ice and meltwater in glaciated regions of South-Eastern Altai. The paper depicts differences between the isotopic composition of glacier ice from several types of glaciers and from
Externí odkaz:
https://doaj.org/article/1d40880fc1a742b3bad010330426488b
Non-Equilibrium Uranium as an Indicator of Global Climate Variations—The World Ocean and Large Lakes
Autor:
Igor Tokarev, Evgeny Yakovlev
Publikováno v:
Water, Vol 13, Iss 24, p 3514 (2021)
In natural water, as a rule, there is a violation of radioactive equilibrium in the chain 238U … → 234U → 230Th →. Groundwater usually has a 234U/238U ratio in the range of 0.8–3.0 (by activity). However, in some regions, the 234U/238U rati
Externí odkaz:
https://doaj.org/article/dda64165690e4d17ae1bed4fed07c1ff
Publikováno v:
Water, Vol 13, Iss 13, p 1838 (2021)
The isotopic (234U/238U, 2H, 18O) and chemical composition of groundwater on the right bank of the Volga River along the middle reach (European Russia) was studied down to a depth of 400 m. These data allow diagnosis of the presence of a three-compon
Externí odkaz:
https://doaj.org/article/84ceef3ea01e4aca801897fb096c22a0
Publikováno v:
Transactions of the Karelian Research Centre of the Russian Academy of Sciences, Iss 9, Pp 46-56 (2016)
Water chemical and isotopic composition (deuterium content and oxygen-18), as well as the activity of tritium in groundwater of Riphean aquifer and Vendian complex in the Karelian Isthmus were studied. Estimation of recharge rate for groundwater of t
Externí odkaz:
https://doaj.org/article/5409ef1e01754ef18e4ac4977018b32c
Autor:
Anastasia Shestakova, Natalia Guseva, Yulia Kopylova, Albina Khvaschevskaya, David A. Polya, Igor Tokarev
Publikováno v:
Water, Vol 10, Iss 6, p 729 (2018)
The Choygan area of southern Siberia, Russia hosts a variety of CO2-rich thermal mineral and other waters emerging from springs at temperatures between 7 °C and 39 °C. Chemical analyses of the spring waters (n = 33) were carried out to characterise
Externí odkaz:
https://doaj.org/article/ffbcdea968a84e039bfed0fe552d1a2f