SEASONAL VARIABILITY OF WATER DISCHARGE AND SUSPENDED SEDIMENT CONCENTRATION FOR RIVERS OF THE KAMCHATKA KRAI
Abstract
Regularities of seasonal variability of water discharge and suspended sediment concentration interactions were studied for rivers in the Kamchatka Krai territory. The limited number of types of such interactions was established for the region. In most cases the increase of suspended sediment concentration usually coincides with increasing water discharge, and during the decrease of water discharge the reduction of suspended sediment concentration is observed. However, the maximum of suspended sediment concentration is in advance of the maximum water discharge. The volcanic activity appeared to be a significant factor impacting the disturbance of interaction between the variables. The analysis of data on measured water discharges and suspended sediment concentrations demonstrated that there are four types of S-Q relations for rivers in various hydrological regions of the Kamchatka Krai. They represent the most important factors influencing the formation of the seasonal suspended sediment yield. The largest part of suspended sediments (90% and more) is transported during the high water periods in rivers of the studied region. The ratio between relative suspended sediment concentration and water discharge depends on water amount in particular year.
About the Author
L. V. Kuksina
Lomonosov Moscow State University.
Russian Federation
Faculty of Geography, Makkaveev Research Laboratory of Soil Erosion and Fluvial Processes, Junior Scientific Researcher, PhD in Geography.
Russian Federation
Faculty of Geography, Makkaveev Research Laboratory of Soil Erosion and Fluvial Processes, Junior Scientific Researcher, PhD in Geography.
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Review
For citations:
Kuksina L.V. SEASONAL VARIABILITY OF WATER DISCHARGE AND SUSPENDED SEDIMENT CONCENTRATION FOR RIVERS OF THE KAMCHATKA KRAI. Vestnik Moskovskogo universiteta. Seriya 5, Geografiya. 2018;(4):57-67. (In Russ.)
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