Preprints
https://doi.org/10.5194/essd-2022-377
https://doi.org/10.5194/essd-2022-377
 
11 Nov 2022
11 Nov 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 Ekaykin5,6, Anna Kozachek5, Arina Veres5, Olga Zolina7, Natalia Varentsova3,8, Artem Gorbarenko3, Nikita Povalyaev9, Valentina Plotnikova8, 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
  • 6Institute of Earth Sciences, Saint Petersburg State University, St. Petersburg, 199034, Russia
  • 7Institut des Géosciences de l’Environnement/Université Grenoble Alpes, Grenoble, 38402, France
  • 8Central administration for hydrometeorology and environmental monitoring, Moscow, 127055, Russia
  • 9Voronezh State University, Voronezh, 394018, Russia

Abstract. Empirical study of the isotopic features of river runoff were conducted at three hydrological posts in three different river basins: the Zakza river in the center of East European Plane (southwest of Moscow), the Dubna river (north of Moscow) and the Sosna Bystraya 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. At total 332 samples of river water, 275 samples of groundwater and 194 samples of precipitation were collected. Precipitation was collected as an integral sample of all precipitation fallen during the week before sampling date. For each precipitation samples, the total amount of precipitation and air temperature, weighted by precipitation amount, are given according to weather station in river basin. During the observation period, there were two completely different conditions in terms of runoff formation. First, from October 2019 to October 2020, there was an unusually low spring freshet followed by a big rain flood in July. From October 2020–October 2021, there was a normal intra-annual flow pattern with high spring freshet. A significant supply of melted snow during spring freshet is the key factor influencing water regimes in these three river basins; varying degrees of anthropogenic flow regulation are also present. The new height frequency and complete data of stable isotope signature of river runoff component can help to study the response of a river runoff to climate change.

Julia Chizhova et al.

Status: open (until 06 Jan 2023)

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 conducted at three hydrological posts in three different river basins: the Zakza river in the center of East European Plane (southwest of Moscow), the Dubna river (north of Moscow) and the Sosna Bystraya river in the south of central region.