Академическое издательство «Гео»

Keywords: water balance, modeling, river runoff dynamics.



GEOGRAPHY AND NATURAL RESOURCES, 2011, № 2, p. 148-154

The water-balance model of the monthly runoff dynamics (exemplified by the Kuda river basin)

A.V. Ignatov

ignatov@irigs.irk.ru

Relationships have been formulated and the software developed in support of the construction of the model for the temporal dynamics of the monthly mean water flow rate in the lower measuring section of catchment. In terms of the model, the runoff observed is formed depending on the monthly mean air temperature and monthly precipitation amount characteristic for catchment. It is suggested that the resulting flow rate comprises three types of river alimentation: the snow, rain and subterranean types. The parameters of the postulated runoff formation mechanism are estimated for three catchments on the territory of the Kuda river basin.

Keywords: water balance, modeling, river runoff dynamics.
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