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dc.contributor.author
Birol, F.
dc.contributor.author
Fuller, N.
dc.contributor.author
Lyard, F.
dc.contributor.author
Cancet, M.
dc.contributor.author
Niño, F.
dc.contributor.author
Delebecque, C.
dc.contributor.author
Fleury, S.
dc.contributor.author
Toublanc, F.
dc.contributor.author
Melet, A.
dc.contributor.author
Saraceno, Martin
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dc.contributor.author
Léger, F.
dc.date.available
2018-09-07T18:42:47Z
dc.date.issued
2017-02
dc.identifier.citation
Birol, F.; Fuller, N.; Lyard, F.; Cancet, M.; Niño, F.; et al.; Coastal applications from nadir altimetry: Example of the X-TRACK regional products; Elsevier; Advances in Space Research; 59; 4; 2-2017; 936-953
dc.identifier.issn
0273-1177
dc.identifier.uri
http://hdl.handle.net/11336/58775
dc.description.abstract
In the coastal ocean zones, satellite altimetry data processing and interpretation poses specific difficulties, due to the interaction of the radar signal with land topography, inaccuracies in some of the geophysical corrections and to the fast changes in the sea level. In order to optimize the completeness and the accuracy of the sea surface height information derived from satellite altimetry in coastal ocean areas, a dedicated post-processing software, called X-TRACK, has been developed by the Center of Topography of the Ocean and Hydrosphere in Toulouse. It is tailored for extending the use of altimetry data to coastal ocean applications and provides freely available along-track Sea Level Anomaly time series that cover today all the coastal oceans. Here, we present the improvements made in version 2016 of X-TRACK and show the gain in near-coastal data accuracy using in situ tide gauge observations. The correlations between altimeter and tide gauge sea level anomalies are higher (by 15% in average) compared with the previous version of X-TRACK. Three examples of applications are shown. The recent evolutions done in the X-TRACK processing result in an improved observation of the seasonal variations of the boundary circulation in the Bay of Biscay. Along Western Africa, sea-level variations derived from X-TRACK data are observed closer to land (5 km) compared to AVISO (10 km), and the sea-level statistics are more robust due to the larger and more stable data availability. Along-track empirical tidal constants derived from X-TRACK Sea Level Anomaly time series are also used to validate tidal models. By improving the altimetric data accuracy in coastal areas, we extend the field of marine applications.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Coastal Observations
dc.subject
Ctoh
dc.subject
Database
dc.subject
Ocean Dynamics
dc.subject
Radar Altimetry
dc.subject
Sea Surface Height
dc.subject.classification
Meteorología y Ciencias Atmosféricas
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dc.subject.classification
Ciencias de la Tierra y relacionadas con el Medio Ambiente
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Coastal applications from nadir altimetry: Example of the X-TRACK regional products
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-09-07T13:43:59Z
dc.journal.volume
59
dc.journal.number
4
dc.journal.pagination
936-953
dc.journal.pais
Países Bajos
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dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Birol, F.. Universite de Toulouse; Francia. Centre National de la Recherche Scientifique; Francia
dc.description.fil
Fil: Fuller, N.. Universite de Toulouse; Francia. Centre National de la Recherche Scientifique; Francia
dc.description.fil
Fil: Lyard, F.. Universite de Toulouse; Francia. Centre National de la Recherche Scientifique; Francia
dc.description.fil
Fil: Cancet, M.. Noveltis; Francia
dc.description.fil
Fil: Niño, F.. Universite de Toulouse; Francia. Centre National de la Recherche Scientifique; Francia
dc.description.fil
Fil: Delebecque, C.. Universite de Toulouse; Francia. Centre National de la Recherche Scientifique; Francia
dc.description.fil
Fil: Fleury, S.. Universite de Toulouse; Francia. Centre National de la Recherche Scientifique; Francia
dc.description.fil
Fil: Toublanc, F.. Universite de Toulouse; Francia. Centre National de la Recherche Scientifique; Francia
dc.description.fil
Fil: Melet, A.. Universite de Toulouse; Francia. Centre National de la Recherche Scientifique; Francia
dc.description.fil
Fil: Saraceno, Martin. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Ciencias de la Atmósfera y los Océanos; Argentina
dc.description.fil
Fil: Léger, F.. Universite de Toulouse; Francia. Centre National de la Recherche Scientifique; Francia
dc.journal.title
Advances in Space Research
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://dx.doi.org/10.1016/j.asr.2016.11.005
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0273117716306317
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