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dc.contributor.author Wolfensberger, Daniel
dc.contributor.author Scipión, Danny
dc.contributor.author Berne, Alexis
dc.date.accessioned 2018-07-24T14:21:21Z
dc.date.available 2018-07-24T14:21:21Z
dc.date.issued 2015-09-22
dc.identifier.citation Wolfensberger, D., Scipión, D., & Berne, A. (2015). Detection and characterization of the melting layer based on polarimetric radar scans.==$Quaterly Journal of the Royal Meteorological Society, 142$==(S1), 108-124. https://doi.org/10.1002/qj.2672 es_ES
dc.identifier.govdoc index-oti2018
dc.identifier.uri http://hdl.handle.net/20.500.12816/2058
dc.description.abstract Stratiform rain situations are generally associated with the presence of a melting layer characterized by a strong signature in polarimetric radar variables. This layer is an important feature as it indicates the transition from solid to liquid precipitation. The melting layer remains poorly characterized, particularly from a polarimetric radar point of view. In this work a new algorithm to automatically detect the melting layer on polarimetric RHI radar scans using gradients of reflectivity and copolar correlation is first proposed. The algorithm was applied to Xband polarimetric radar data and validated by comparing the height of the detected layer with freezing levels heights obtained from radiosoundings and was shown to give both small errors and bias. The algorithm was then used on a large selection of precipitation events (more than 4000 RHI scans) from different seasons and climatic regions (South of France, Swiss Alps and plateau and Iowa-USA) to characterize the geometric and polarimetric signatures of the melting layer. The melting layer is shown to have a very similar geometry on average, independently of the topography and climatic conditions. Variations in the thickness of the melting layer during and between precipitation events was shown to be strongly related to the presence of rimed particles, to the vertical velocity of hydrometeors and to the intensity of the bright band. es_ES
dc.format application/pdf es_ES
dc.language.iso eng es_ES
dc.publisher Wiley es_ES
dc.relation.ispartof urn:issn:0035-9009
dc.rights info:eu-repo/semantics/restrictedAccess es_ES
dc.subject Melting layer es_ES
dc.subject Precipitation es_ES
dc.subject Polarimetric radar es_ES
dc.subject Stratiform es_ES
dc.title Detection and characterization of the melting layer based on polarimetric radar scans es_ES
dc.type info:eu-repo/semantics/article es_ES
dc.subject.ocde http://purl.org/pe-repo/ocde/ford#1.05.01 es_ES
dc.identifier.journal Quarterly Journal of the Royal Meteorological Society es_ES
dc.description.peer-review Por pares es_ES
dc.identifier.doi https://doi.org/10.1002/qj.2672 es_ES

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