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Nutrient flux and budget in the Ebro estuary

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Nutrient flux and budget in the Ebro estuary

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dc.contributor.author Falco Giaccaglia, Silvia Laura es_ES
dc.contributor.author Niencheski, L.F. es_ES
dc.contributor.author Rodilla Alamá, Miguel es_ES
dc.contributor.author Romero Gil, Inmaculada es_ES
dc.contributor.author González del Rio Rams, Julio es_ES
dc.contributor.author Sierra, J.P. es_ES
dc.contributor.author Mösso, C. es_ES
dc.date.accessioned 2014-03-05T07:45:32Z
dc.date.issued 2010-01
dc.identifier.issn 0272-7714
dc.identifier.uri http://hdl.handle.net/10251/36175
dc.description.abstract The Ebro river flows to the Mediterranean coast of Spain. During its final stretch, the Ebro behaves in a similar way to a highly stratified estuary. This paper describes the transport of nutrients to the Ebro estuary, evaluates the general movement of nutrients in the estuarine region, using a mass balance approach, and estimates the amounts of nutrients discharged to the coastal environment. Given the strong saline stratification, this study only includes the surface layer that contains the continental freshwater. The annual nutrient budget for the Ebro estuary shows a net excess for nitrogen and phosphorus, while silicate almost attains equilibrium between addition and removal. There are several reasons for gains in nitrogen and phosphorous: a contribution of dissolved and particulate compounds in the freshwater (some of which are mineralized); a lower uptake of phytoplankton indicated by chlorophyll reduction in the estuary; an entrainment of the nutrient-rich upper part of the salt wedge; and, to a lesser extent, the impact of wastewater and agricultural water use. The biggest load discharged into the Mediterranean Sea by the Ebro is nitrogen, followed by silicate with over 10 000 tons of each deposited annually. Phosphorus is discharged at relatively low concentrations and with an annual load of about 200 t yr¿1. es_ES
dc.description.sponsorship This project was funded by the European Union in the framework of the MAST-III research project: "Preparation and Integration of Analysis Tools towards Operational Forecast of Nutrients in Estuaries of European Rivers (PIONEER)", Reference No. MAS3-CT98-0170. en_EN
dc.format.extent 11 es_ES
dc.language Inglés es_ES
dc.publisher Elsevier es_ES
dc.relation European Union MAS3-CT98-0170 es_ES
dc.relation.ispartof Estuarine, Coastal and Shelf Science es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Salt-wedge estuaries es_ES
dc.subject Nitrogen es_ES
dc.subject Phosphorus es_ES
dc.subject Silicates es_ES
dc.subject.classification TECNOLOGIA DEL MEDIO AMBIENTE es_ES
dc.title Nutrient flux and budget in the Ebro estuary es_ES
dc.type Artículo es_ES
dc.embargo.lift 10000-01-01
dc.embargo.terms forever es_ES
dc.identifier.doi 10.1016/j.ecss.2009.12.020
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Ingeniería Hidráulica y Medio Ambiente - Departament d'Enginyeria Hidràulica i Medi Ambient es_ES
dc.contributor.affiliation Universitat Politècnica de València. Instituto de Investigación para la Gestión Integral de Zonas Costeras - Institut d'Investigació per a la Gestió Integral de Zones Costaneres es_ES
dc.description.bibliographicCitation Falco Giaccaglia, SL.; Niencheski, L.; Rodilla Alamá, M.; Romero Gil, I.; González Del Rio Rams, J.; Sierra, J.; Mösso, C. (2010). Nutrient flux and budget in the Ebro estuary. Estuarine, Coastal and Shelf Science. 87(1):92-102. doi:10.1016/j.ecss.2009.12.020 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion http://dx.doi.org/10.1016/j.ecss.2009.12.020 es_ES
dc.description.upvformatpinicio 92 es_ES
dc.description.upvformatpfin 102 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 87 es_ES
dc.description.issue 1 es_ES
dc.relation.senia 39557


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