River Runoff: Theory and AnalysisIsrael Program for Scientific Translations; [available from the U.S. Department of Commerce, National Technical Information Service, Springfield, Va.], 1971 - 489 pagine |
Sommario
SEDIMENT DISCHARGE | 12 |
FACTORS AFFECTING RIVER RUNOFF | 14 |
PRINCIPAL METHODS OF INVESTIGATING RIVER RUNOFF | 41 |
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according allowance annual runoff assume basin area calculated channel climatic coefficient coefficient of variance compared computation considerable correlation corresponding cover cumulative probability curves curve depends depth determined developed discharge distribution drainage basins drainage-basin area duration effect empirical equal equation error European USSR evaporation example expressed extent factors Figure flow fluctuations forest formation formula function geographical given groundwater Hence hydrological important increase intensity km² lakes limits maximum discharge maximum runoff mean mean annual method moisture mountain natural observational observational data obtained parameters particularly period plotted precipitation presented Qmax rain ravine reaches reduction regions regulation relationship result rivers runoff coefficient runoff rate shows slopes snow snowmelt soil spring flood spring runoff station storm supply surface Table theoretical unit values variable variation varies water balance water yield watercourses whole zone