2003
DOI: 10.1046/j.1365-2389.2003.00482.x
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Experimental and numerical study of water flow in soil under irrigation in northern Senegal: evidence of air entrapment

Abstract: SummaryIrrigation by surge flooding does not always wet the soils thoroughly, and we have investigated the reasons for this on an irrigated plot in northern Senegal by monitoring the water budget during a rice cropping season (100 days). The amount of water added during each irrigation event was measured, and evapotranspiration and infiltration were estimated with lysimeters and Muntz infiltration rings, respectively. At the same time, piezometric levels, neutron probe values and water tension data were record… Show more

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Cited by 52 publications
(70 citation statements)
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“…The amount of runoff was measured by the sediment pool, automatic water-stage recorder and triangular measuring weir (Hammecker et al 2003). The amount of sediment was the sum of the dry weight of suspended load and the dry weight of tractional load.…”
Section: Studymentioning
confidence: 99%
“…The amount of runoff was measured by the sediment pool, automatic water-stage recorder and triangular measuring weir (Hammecker et al 2003). The amount of sediment was the sum of the dry weight of suspended load and the dry weight of tractional load.…”
Section: Studymentioning
confidence: 99%
“…Le paramètre m est pris égal à 1 1 − n comme précédemment et le paramètre de connectivité des pores 1 est égal à 0,5, valeur moyenne issue de 45 sols (MUALEM, 1976). HAMMECKER et al (2003) …”
Section: Les Donnéesunclassified
“…Le rôle de ces fissures sur le transfert de l'eau et des sels peut être important. Il a été étudié par FAVRE et al (1997) et HAMMECKER et al (2003. FAVRE et al (1997) montrent que les fissures se referment rapidement après le début de l'irrigation, en moins de 4,5 heures.…”
Section: Confrontation Des Hypothèses Et Des Résultats De La Modélisaunclassified
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