subsurface drainage

См. также в других словарях:

• subsurface drainage system — drenažo sistema statusas Aprobuotas sritis melioracija apibrėžtis Drenų, drenažo filtrų, šulinių ir vandens nuleistuvų visuma vandens pertekliui iš žemės sklypo surinkti ir pašalinti. atitikmenys: angl. drainage system; subsurface drainage system …   Lithuanian dictionary (lietuvių žodynas)

• Drainage model — may refer to: a surface drainage model or rainfall runoff model      see surface runoff, runoff model (reservoir) , or a software site providing free download of a conceptual rainfall runoff model (RainOff) based on a… …   Wikipedia

• Drainage research — is the study of agricultural drainage systems and their effects to arrive at optimal system design. Contents 1 Aspects to be covered 2 Systems analysis 3 Crop response processes 4 …   Wikipedia

• Drainage system (agriculture) — An agricultural drainage system is a system by which the water level on or in the soil is controlled to enhance agricultural crop production. Contents 1 Classification 1.1 Surface drainage systems 1.2 Subsurface drainage systems …   Wikipedia

• Drainage system (Agriculture) — An agricultural drainage system is a system by which the water level on or in the soil is controlled to enhance agricultural crop production.=Classification=Figure 1 classifies the various types of drainage systems. It shows the field (or… …   Wikipedia

• Drainage equation — A drainage equation is an equation describing the relation between depth and spacing of parallel subsurface drains, depth of the watertable, depth and hydraulic conductivity of the soils. It is used in drainage design. Parameters in Hooghoudt s… …   Wikipedia

• drainage — /dray nij/, n. 1. the act or process of draining. 2. a system of drains, artificial or natural. 3. See drainage basin. 4. something that is drained off. 5. Surg. the drainage of fluids, as bile, urine, etc., from the body, or of pus and other… …   Universalium

• Drainage — See also: Storm drain and Stormwater Deep inside a Sydney drain in New South Wales Drainage is the natural or artificial removal of surface and sub surface water from an area. Many agricultural soils need drainage to improv …   Wikipedia

• drainage system — drenažo sistema statusas Aprobuotas sritis melioracija apibrėžtis Drenų, drenažo filtrų, šulinių ir vandens nuleistuvų visuma vandens pertekliui iš žemės sklypo surinkti ir pašalinti. atitikmenys: angl. drainage system; subsurface drainage system …   Lithuanian dictionary (lietuvių žodynas)

• drainage basin —    The land area from which surface runoff drains into a stream channel or system of stream channels, or to a lake, reservoir, or other body of water [6].    In a karst setting, subsurface drainage (internal drainage) may have boundaries defined… …   Lexicon of Cave and Karst Terminology

• drainage well —    1. A well installed to drain surface water, storm water, or treated waste water into underground strata [22].    2. A water well constructed to remove subsurface water or to reduce a hydrogeologic unit’s potentiometric surface [22] …   Lexicon of Cave and Karst Terminology