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Titre :
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Drainage principles and applications
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Auteurs :
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H. Ritzema
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Type de document :
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ouvrage
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Editeur :
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Wageningen (NLD) : International Institute for Land Reclamation and Improvement, 1994
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Collection :
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ILRI publication n° 16
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ISBN/ISSN/EAN :
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978-90-70754-33-4
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Format :
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1125 p.
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Note générale :
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2e ed.
Diffusion tous publics
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Langues:
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= Anglais
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Catégories :
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RESSOURCES NATURELLES-ENVIRONNEMENT
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Mots-clés:
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DRAINAGE
;
IRRIGATION
;
SALINITE
;
IMPACT SUR L'ENVIRONNEMENT
;
POMPAGE
;
POMPE
;
DRAINAGE AGRICOLE
;
CONDUCTIVITE HYDRAULIQUE
;
EAU SOUTERRAINE
;
EVAPOTRANSPIRATION
;
SOL
;
BILAN HYDRIQUE
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Résumé :
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Land drainage : why and how ?, grounwater investigations. Soil conditions. Estimating peak runoff rates. Evapotranspiration. Frequency and regression analysis. Basics of groundwater flow. Subsurface flow to drains. Seepage and groundwater flow. Single-well and aquifer tests. Water in unsaturated zone. Determining the saturated hydraulic conductivity. Land subsidence.Influences of irrigation on drainage. Salinity control. Analysis of water balances. Agricultural drainage criteria. Procedures in drainage surveys. Drainage canals and related structures. Surface drainage systems. Subsurface drainage systems. Tubewell drainage systems. Pumps and pumping stations. Gravity outlet structures. Environmental aspects of drainage. Land drainage : bilbiography and information retrieval.
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