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Water Balance of the Soil Profile of the Headwater Region in the Krkonoše (Giant Mts)
Tesař, Miroslav ; Šír, Miloslav ; Syrovátka, Oldřich ; Dvořák, I.
The present article deals with the soil water regime of the mountainous localities in the Krkonoše (Giants) Mts. (mountainous meadow and dwarf pine forest). Both localities lie at the Labská louka region at the right bank of the Labe river at the elevation of about 1360 m a.s.l. Soil water regime is described by the time course of the soil water storage and outflow of water below the soil profile. The long-term water balance of the soil profile was composed in the form of the cumulative lines of precipitation, evapotranspiration and outflow of water below the soil profile to the substratum. Evapotranspiration was estimated with the help of the energy balance of the plant cover based on the global radiation input and air temperature close to the soil profile. Outflow of water below the soil profile to the substratum was determined using the tensiometric soil moisture monitoring. Soil water storage was recalculated with the use of retention curves from time series of tensiometric data sets. Rainfall totals were measured using the standard rain gauge.
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