ESTIMATING LONG-TERM CHANGES OF RIVER RUNOFF IN THE VILUY RIVER BASIN
Abstract
To better understand recent long-term runoff variations in the Viluy River basin and more efficiently plan human activities within its drainage area we conducted the spatio-temporal analysis of long-term river runoff fluctuations basing on the newest hydrometeorogical data. The analysis also helps to evaluate the human impact on water resources of the region under study. Dates and the most probable causes of heterogeneity in time-series of annual mean, maximum and minimum runoff of the Viluy River and its tributaries in 20th and 21st centuries were identified. Results of the research based on the most complete data on runoff fluctuations for different rivers of the basin, made it possible to reveal the intensity of recent changes in stream flow hydrology in the Viluy River basin and update their quantitative estimates. The zoning of the basin area in terms of the long-term runoff fluctuation patterns was accomplished and the empirical relationships between mean annual runoff and precipitation and air temperature were suggested allowing the estimates of future runoff changes.
About the Authors
N. M. Yumina
Lomonosov Moscow State University.
Russian Federation
Faculty of Geography, Department of Hydrology, Senior Lecturer, Ph.D. in Geography.
Russian Federation
Faculty of Geography, Department of Hydrology, Senior Lecturer, Ph.D. in Geography.
M. A. Tereshina
Lomonosov Moscow State University.
Russian Federation
Faculty of Geography, Department of Hydrology, student.
Russian Federation
Faculty of Geography, Department of Hydrology, student.
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Review
For citations:
Yumina N.M., Tereshina M.A. ESTIMATING LONG-TERM CHANGES OF RIVER RUNOFF IN THE VILUY RIVER BASIN. Vestnik Moskovskogo universiteta. Seriya 5, Geografiya. 2017;(6):62-70. (In Russ.)
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