Factors controlling sediment export in a small agricultural watershed in Navarre (Spain)

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dc.contributor.authorGiménez Díaz, Rafael
dc.contributor.authorCasalí Sarasíbar, Javier
dc.contributor.authorGrande Esteban, Ildefonso
dc.contributor.authorDíez Beregaña, Javier
dc.contributor.authorCampo-Bescós, Miguel
dc.contributor.authorÁlvarez-Mozos, Jesús
dc.contributor.authorGoñi Garatea, Mikel
dc.contributor.departmentProyectos e Ingeniería Rurales_ES
dc.contributor.departmentLanda Ingeniaritza eta Proiektuakeu
dc.contributor.departmentGestión de Empresases_ES
dc.contributor.departmentEnpresen Kudeaketaeu
dc.contributor.funderGobierno de Navarra / Nafarroako Gobernuaes
dc.date.accessioned2019-02-27T16:17:15Z
dc.date.available2019-02-27T16:17:15Z
dc.date.issued2012
dc.description.abstractIt is recognised that the hydrological and erosion processes in watersheds are very much conditioned by the (inter)action of a number of variables. This paper covers a 15-year period of studying those factors that have a major influence on the sediment yield and transport during individual hydrological events in a small Mediterranean agricultural watershed. Multivariate statistical techniques such as cluster analysis and principal component analysis were applied for the interpretation of datasets. In addition, the relationships between suspended sediment concentration and discharge (hysteretic loops) were also analysed. The hydrological response of the studied watershed is mainly controlled by the antecedent condition of the flow. Most of the runoff and sediment are generated during the wet season when vegetation cover is scant and saturation overland flow occurs promptly as a response to almost any rainfall events. In contrast, during the dry seasons even if high-intensity rainfalls normally occur, very scant runoffs are, however recorded, at the exit of the watershed. Most of the eroded sediment seems to come from riparian areas. The discharge registered at the watershed outlet up to 1 h prior to the flood is a very good surrogate for antecedent soil moisture.en
dc.description.sponsorshipThis study was partly funded by the Spanish Government's National Scientific Research, Development and Technological Innovation Plan, both project code CGL2007-63453 and project code CGL2011-24336. The authors also acknowledge the generous contribution of the Department of Rural Development and Environment of the Government of Navarre (Spain).en
dc.format.mimetypeapplication/pdfen
dc.identifier.doi10.1016/j.agwat.2012.03.007
dc.identifier.issn0378-3774
dc.identifier.urihttps://academica-e.unavarra.es/handle/2454/32448
dc.language.isoengen
dc.publisherElsevieren
dc.relation.ispartofAgricultural Water Management, vol. 110, july 2012, pp. 1-8.en
dc.relation.projectIDinfo:eu-repo/grantAgreement/MICINN//CGL2011-24336/ES/
dc.relation.publisherversionhttps://doi.org/10.1016/j.agwat.2012.03.007
dc.rights© 2012 Elsevier B.V. The manuscript version is made available under the CC BY-NC-ND 4.0 license.en
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectRunoff generationen
dc.subjectSediment productionen
dc.subjectMediterranean conditionen
dc.subjectHydrological responseen
dc.subjectMultivariate analysisen
dc.subjectHysteretic loopsen
dc.titleFactors controlling sediment export in a small agricultural watershed in Navarre (Spain)en
dc.typeinfo:eu-repo/semantics/article
dc.type.versioninfo:eu-repo/semantics/acceptedVersion
dspace.entity.typePublication
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relation.isAuthorOfPublication.latestForDiscovery230a3794-d067-42ca-b177-82dcf27762c9

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