Balance of small watersheds from data on long-term experimental research at the Valdai Affiliation of the state hydrological institute (SHI) |
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| Authors: | Zh A Balonishnikova O I Krestovskii V A Shutov |
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| Institution: | (1) College of Water Conservancy and Civil Engineering, China Agricultural University, 100083 Beijing, People’s Republic of China;(2) State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, 100085 Beijing, People’s Republic of China;(3) Research Center on Fictitious Economy and Data Science, Chinese Academy of Sciences, 100080 Beijing, People’s Republic of China;(4) International College at Beijing, China Agricultural University, 100083 Beijing, People’s Republic of China;(5) Institute of Water Conservancy Science of Inner Mongolia, 010020 Hohhot, People’s Republic of China |
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| Abstract: | Results of detecting water balance components of experimental watersheds from long-term observations at the Valdai Affiliation
of the SHI are presented. Methods of measurements, calculations, and corrections of precipitation amount, measurement of evaporation
from the land, changes in the soil moisture reserves and ground water reserves are considered. All components of the water
balance of watersheds are measured independently which allows estimating quantitatively the residuals and measurement and
calculation errors. A preliminary analysis is performed of seasonal values of the water balance components and their changes
in the period of most intensive observations (1952–1985) which is of a great value for studying the conditions of the river
runoff formation in small watersheds. |
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