EVALUATION OF GLACIER MELT CONTRIBUTION TO RUNOFF IN THE NORTH CAUCASUS ALPINE CATCHMENTS USING ISOTOPIC METHODS AND ENERGY BALANCE MODELING
https://doi.org/10.24057/2071-9388-2017-10-3-4-19
Abstract
Frequency and intensity of river floods rise observed in the North Caucasus during last decades is considered to be driven by recent climate change. In order to predict possible future trends in extreme hydrological events in the context of climate change, it is essential to estimate the contribution of different feed sources in complicated flow-forming processes in the alpine part of the North Caucasus. A study was carried out for the Djankuat River basin, the representative for the North Caucasus system. Simultaneous measurements of electrical conductivity, isotopic and ion balance equations, and energy balance modeling of ice and snow melt were used to evaluate the contribution of different sources and processes in the Djankuat River runoff regime formation. A forecast of possible future changes in the Djankuat glacier melting regime according to the predicted climate changes was done.
Supporting agencies: Popovnin V., Gajdamukha M., Suchilina Z., Lavrenov A., Pozhidaeva D., Smirnov A. and Rostiashvili A.; Russian Science Foundation; Russian Foundation for Basic Research
About the Authors
E. Rets
Water Problems Institute, Russian Academy of Sciences
Russian Federation
Russian Federation
PhD in geography, Research Associate,
119333, Moscow, ul. Gubkina 3
J. Chizhova
IGEM RAS
Russian Federation
Russian Federation
PhD in geography, Senior Researcher of the Laboratory of Isotope Geochemistry and Geochronology,
119017, Moscow, Staromonetniy per., 35
N. Budantseva
Lomonosov Moscow State University
Russian Federation
Russian Federation
PhD in geography, Senior Research Scientists of the Department of Landscape Geochemistry and Soil Geography, Faculty of Geography,
119991, Moscow, GSP-1, Leninskie Gory
N. Frolova
Lomonosov Moscow State University
Russian Federation
Russian Federation
DSc in Geography, Professor of the Department of Hydrology,
Member of the IAHS, a Member of the Hydrological Commission of the International Geographical Union,
119991, Moscow, GSP-1, Leninskie Gory, Faculty of Geography
M. Kireeva
Lomonosov Moscow State University
Russian Federation
Russian Federation
PhD in geography, Senior Researcher of the Department of Hydrology,
119991, Moscow, GSP-1, Leninskie Gory, Faculty of Geography
N. Loshakova
Lomonosov Moscow State University
Russian Federation
Russian Federation
first year Master program student, Department of Hydrology,
119991, Moscow, GSP-1, Leninskie Gory, Faculty of Geography
I. Tokarev
Center for Geo-Environmental Research and Modeling (GEOMODEL) at St. Petersburg University
Russian Federation
Russian Federation
PhD. in geology, Senior Researcher,
198504, St. Petersburg, Ulianovskaya st., 1
Yu. Vasil’chuk
Lomonosov Moscow State University
Russian Federation
Russian Federation
DSc in Geology and Mineralogy, Professor of the Department of Landscape Geochemistry and Soil Geography,
119991, Moscow, GSP-1, Leninskie Gory, Faculty of Geography
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For citations:
Rets E., Chizhova J., Budantseva N., Frolova N., Kireeva M., Loshakova N., Tokarev I., Vasil’chuk Yu. EVALUATION OF GLACIER MELT CONTRIBUTION TO RUNOFF IN THE NORTH CAUCASUS ALPINE CATCHMENTS USING ISOTOPIC METHODS AND ENERGY BALANCE MODELING. GEOGRAPHY, ENVIRONMENT, SUSTAINABILITY. 2017;10(3):4-19. https://doi.org/10.24057/2071-9388-2017-10-3-4-19
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