Preprints
https://doi.org/10.5194/essd-2022-145
https://doi.org/10.5194/essd-2022-145
 
01 Aug 2022
01 Aug 2022
Status: this preprint is currently under review for the journal ESSD.

Stable isotope (δ18O, δ2H) signature of river runoff, groundwater and precipitation in three river basins in the center of East European Plain

Julia Chizhova1,2,3, Maria Kireeva3, Ekaterina Rets4, Alexey Ekaykin5, Anna Kozachek5, Arina Veres5, Olga Zolina6, Natalia Varentsova3,7, Artem Gorbarenko3, Nikita Povalyaev8, Valentina Plotnikova7, Timofey Samsonov3, and Maxim Kharlamov3,4 Julia Chizhova et al.
  • 1Institute of Geography Geology of Ore Deposits, Petrography, Mineralogy and Geochemistry, Russian Academy of Science, Moscow, 119017, Russia
  • 2Institute of Geography, Russian Academy of Science, Moscow, 119017, Russia
  • 3Faculty of Geography, Lomonosov Moscow State University, Moscow, 119991, Russia
  • 4Water Problems Institute, Russian Academy of Sciences, Moscow, 119333, Russia
  • 5Arctic and Antarctic Research Institute, Climate and Environmental Research Laboratory, St. Petersburg, 199397, Russia
  • 6University Josef Fourier, Grenoble, France
  • 7Central administration for hydrometeorology and environmental monitoring, Moscow, 127055, Russia
  • 8Voronezh State University, Voronezh, 394018, Russia

Abstract. Empirical study of the isotopic features of river runoff were carried out at three hydrological posts in 3 different river basins: the Zakza river in the center of East European Plane (southwest of the Moscow), the Dubna river (north of the Moscow) and the Sosna river in the south of central region. Samples of river water, groundwater and precipitation for the October 2019–October 2021 were collected at weekly intervals. A significant supply of melted snow during spring freshet is the key factor influencing water regimes for these three river basins; varying degrees of anthropogenic flow regulation are also present. During the observation period, there were fundamentally two completely different conditions in terms of runoff formation. First, October 2019–October 2020, there was abnormal low spring freshet instead there was high rain flood in summer. In October 2020–October 2021 there was a normal intra-annual flow pattern with high spring freshet. The new data of stable isotope signature of river runoff component can help to study the response of a river runoff to changing climate conditions.

Julia Chizhova et al.

Status: open (until 26 Sep 2022)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse

Julia Chizhova et al.

Data sets

Stable isotope composition (δ18O, δ2H) of river runoff, groundwater and precipitation at three hydrological stations in the European part of Russia Chizhova, Julia N; Kireeva, Maria B; Rets, Ekaterina P; Ekaykin, Alexey A; Kozachek, Anna; Veres, Arina N; Varentsova, Natalia; Gorbarenko, Artem; Samsonov, Timofey; Povalyaev, Nikita; Kharlamov, Maxim; Plotnikova, Valentina https://doi.org/10.1594/PANGAEA.942291

Julia Chizhova et al.

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Short summary
Empirical study of the isotopic features of river runoff were carried out at three hydrological posts in 3 different river basins Eastern Europe. Samples of river water, groundwater and precipitation for the October 2019–October 2021 were collected at weekly intervals. A significant supply of melted snow during spring freshet was the key factor influencing water regimes for these three river basins; varying degrees of anthropogenic flow regulation are also presented.