Hydrological and Technical Problems of Land Drainage: ProceedingsJirí Divíś, Jan Dvořák Czechoslovak Scientific and Technical Society, Agriculture and Forestry Section, 1965 - Drainage - 453 pages |
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according amount Bratislava calculation capacity centimetres Čierna Voda computation construction contact run-off curves Czechoslovakia decrease deep loosening depth determined diameter discharge ditches drain pipes drainage channels duration DVOŘÁK effect equation factors files de drains filtration flow Forestry Section SYMPOSIUM formula frequency gradient ground water groundwater heavy soils hectare height hydraulic conductivity HYDROLOGICAL AND TECHNICAL impermeable increase infiltration capacity infiltration intensity irrigation water KOSTIAKOV land improvement Latorica Rivers layer main drains maximum meadows means measures melioration method metres mole drainage nappe necessary observed Ondava peat period permeability pervious plots porosity possible Praha precipitation pumping plant rain rainfall rate of run-off River run-off area run-off coefficient slope Slovakia soil conditions soil horizons soil moisture soil profile spacing Stretavka structures surface run-off SYMPOSIUM ON HYDROLOGICAL tile tion values variant velocity volume water table waterlogged watershed Žitný ostrov