Publishers: University of Zagreb, Faculty of Agriculture, Zagreb, Croatia | Slovak University of Agriculture in Nitra, Faculty of Agrobiology and Food Resources, Nitra, Slovakia | Hungarian University of Agriculture and Life Sciences, Georgikon Campus, Keszthely, Hungary | Agricultural University Plovdiv, Plovdiv, Bulgaria | University of South Bohemia, Faculty of Agriculture and Technology, České Budějovice, Czech Republic | Bydgoszcz University of Science and Technology, Bydgoszcz, Poland | University of Agricultural Sciences and Veterinary Medicine, Cluj - Napoca, Romania | University of Kragujevac, Faculty of Agronomy Čačak, Čačak, Serbia | Agricultural Institute of Slovenia, Ljubljana, Slovenia
EQUILIBRIUM OF WATER BALANCE AS A BASIC PRECONDITION OF PROGRESSIVE DEVELOPMENT OF LAND AREA
2004, 5 (4) p. 273-280
K KUDRNA, M ŠINDELÁŘOVÁ
Abstract
The proportion of water balance components – precipitation, transpiration, evaporation, underground waters and surface runoff – is a determining factor of stabile development of land area. But this proportion can be considerably disturbed and is permanently changing. Certain many-year averages are usually accepted as a stable state. That is why, in the presented work, we have tried to defi ne water balance on symmetry and invariance principles, to express it as a limit state, which would characterize it as a natural principle and enable comparison with the present balance.
Keywords
limit state of balance, water balance, symmetry, invariance
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