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dc.contributor.authorUrdanoz, V.-
dc.contributor.authorAragüés Lafarga, Ramón-
dc.date.accessioned2012-03-14T09:02:09Z-
dc.date.available2012-03-14T09:02:09Z-
dc.date.issued2012-03-
dc.identifier.citationUrdanoz V, Aragüés R. Comparison of Geonics EM38 and Dualem 1S electromagnetic induction sensors for the measurement of salinity and other soil properties. Soil Use and Management 28 (1): 108-112 (2012)es_ES
dc.identifier.issn0266-0032-
dc.identifier.urihttp://hdl.handle.net/10261/47021-
dc.description17 Pags., 3 Tabls., 3 Figs. The definitive version is available at: http://onlinelibrary.wiley.com/journal/10.1111/(ISSN)1475-2743es_ES
dc.description.abstractThe electromagnetic induction (EMI) Geonics EM38 (G-EM38) and Dualem 1S (D-1S) sensors are used frequently for assessment of soil salinity and other soil characteristics in irrigated agriculture. We compared these two sensors to determine whether they could be used interchangeably for the measurement of apparent soil electrical conductivity (ECa) in horizontal (ECa-h) and vertical (ECa-v) coil receiver modes. Readings were taken at 201 locations identified in three irrigation districts in both modes, and statistical comparisons were made on the raw data and from maps of a 2-ha irrigated field made using 1680 horizontal mode readings. Both sensors gave the same ECa-v readings (mean G-EM38 and D-1S difference = 0), whereas the ECa-h readings were slightly greater with the Geonics EM38 than with the Dualem D-1S (mean difference = 0.075 and 0.05 dS/m for the 201 and 1680 observations, respectively). The degree of coincidence between both sensors for soil profile ECa classification was acceptable: 82% for normal profiles (i.e. ECa-h/ECa-v < 0.9) and 90% for inverted profiles (i.e. ECa-h/ECa-v > 1.1). In practical terms, Geonics EM38 and Dualem 1S sensors could be used interchangeably with similar or very close results.es_ES
dc.description.sponsorshipThis study was partially supported by the European Commission (Qualiwater project INCO-CT-2005-015031) and by an INIA (Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria, Spain) doctoral fellowship given to V. Urdanoz.es_ES
dc.language.isoenges_ES
dc.publisherJohn Wiley & Sonses_ES
dc.rightsopenAccesses_ES
dc.subjectSoil apparent electrical conductivityes_ES
dc.subjectelectromagnetic inductiones_ES
dc.subjectsoil profile classificationes_ES
dc.subjectsoil mappinges_ES
dc.subjectsoil classificationes_ES
dc.subjectsoil use and managementes_ES
dc.titleComparison of Geonics EM38 and Dualem 1S electromagnetic induction sensors for the measurement of salinity and other soil propertieses_ES
dc.typeartículoes_ES
dc.identifier.doi10.1111/j.1475-2743.2011.00386.x-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.1111/j.1475-2743.2011.00386.xes_ES
dc.identifier.e-issn1475-2743-
dc.type.coarhttp://purl.org/coar/resource_type/c_6501es_ES
item.grantfulltextopen-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.cerifentitytypePublications-
item.fulltextWith Fulltext-
item.languageiso639-1en-
item.openairetypeartículo-
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