The Use of the Characteristics of Water Isotopic Composition for Assessing the Contribution of Winter and Summer Precipitation to the Upper Ob Runoff during the Open-Water Period

The results of three-year (2020–2022) studies of stable isotopes ( 2 H, 18 O) in river water and atmospheric precipitation in the cold and warm seasons of the year were used to assess their contribution to river runoff in the lowland area of the Upper Ob. Despite the predominance of rain over snow p...

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Bibliographic Details
Published in:Water resources 2024-08, Vol.51 (4), p.418-427
Main Authors: Papina, T. S., Eirikh, A. N., Eirikh, S. S.
Format: Article
Language:English
Subjects:
Annual precipitation
Annual rainfall
Aquatic Pollution
Atmospheric precipitations
Earth and Environmental Science
Earth Sciences
Hydrogeology
Hydrology/Water Resources
Isotope composition
Isotopes
Precipitation
Rain
River discharge
River flow
River runoff
River water
Rivers
Runoff
Snow
Snowmelt
Stable isotopes
Summer precipitation
Warm seasons
Waste Water Technology
Water Management
Water Pollution Control
Water Resources and the Regime of Water Bodies
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Summary:The results of three-year (2020–2022) studies of stable isotopes ( 2 H, 18 O) in river water and atmospheric precipitation in the cold and warm seasons of the year were used to assess their contribution to river runoff in the lowland area of the Upper Ob. Despite the predominance of rain over snow precipitation (up to 2/3 of the annual amount), it was shown that snowmelt water contributes much to river runoff formation throughout the open-water period: from 42 to 61%, depending on the proportions of snow and rain that fell within a year.
ISSN:0097-8078
1608-344X
DOI:10.1134/S0097807824700866