Artículo

Birol, F.; Fuller, N.; Lyard, F.; Cancet, M.; Niño, F.; Delebecque, C.; Fleury, S.; Toublanc, F.; Melet, A.; Saraceno, M.; Léger, F. "Coastal applications from nadir altimetry: Example of the X-TRACK regional products" (2017) Advances in Space Research. 59(4):936-953
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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. © 2016 COSPAR

Registro:

Documento: Artículo
Título:Coastal applications from nadir altimetry: Example of the X-TRACK regional products
Autor:Birol, F.; Fuller, N.; Lyard, F.; Cancet, M.; Niño, F.; Delebecque, C.; Fleury, S.; Toublanc, F.; Melet, A.; Saraceno, M.; Léger, F.
Filiación:LEGOS, University of Toulouse, IRD, CNES, CNRS, UPS, Toulouse, France
Noveltis, 53, rue du Lac, Labège, F-31670, France
Mercator-Océan, 10 Rue Hermès, Ramonville-Saint-Agne, 31520, France
Centro de Investigaciones del Mar y la Atmósfera, UMI/IFAECI, CONICET-CNRS-UBA, Intendente Guiraldes 2160 – Ciudad Universitaria, Pabellón II – 2do. Piso (C1428EGA), Ciudad Autónoma de Buenos Aires, Argentina
Departamento de Ciencias de la Atmósfera y los Océanos, Universidad de Buenos Aires, Intendente Guiraldes 2160 – Ciudad Universitaria, Pabellón II – 2do. Piso (C1428EGA), Ciudad Autónoma de Buenos Aires, Argentina
Palabras clave:Coastal observations; CTOH; Database; Ocean dynamics; Radar altimetry; Sea surface height; Aneroid altimeters; Coastal zones; Data handling; Database systems; Gages; Glacial geology; Marine applications; Oceanography; Radar; Satellites; Space-based radar; Surface waters; Tide gages; Time series; Coastal observations; CTOH; Ocean dynamics; Radar altimetry; Sea surface height; Sea level
Año:2017
Volumen:59
Número:4
Página de inicio:936
Página de fin:953
DOI: http://dx.doi.org/10.1016/j.asr.2016.11.005
Título revista:Advances in Space Research
Título revista abreviado:Adv. Space Res.
ISSN:02731177
CODEN:ASRSD
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_02731177_v59_n4_p936_Birol

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Citas:

---------- APA ----------
Birol, F., Fuller, N., Lyard, F., Cancet, M., Niño, F., Delebecque, C., Fleury, S.,..., Léger, F. (2017) . Coastal applications from nadir altimetry: Example of the X-TRACK regional products. Advances in Space Research, 59(4), 936-953.
http://dx.doi.org/10.1016/j.asr.2016.11.005
---------- CHICAGO ----------
Birol, F., Fuller, N., Lyard, F., Cancet, M., Niño, F., Delebecque, C., et al. "Coastal applications from nadir altimetry: Example of the X-TRACK regional products" . Advances in Space Research 59, no. 4 (2017) : 936-953.
http://dx.doi.org/10.1016/j.asr.2016.11.005
---------- MLA ----------
Birol, F., Fuller, N., Lyard, F., Cancet, M., Niño, F., Delebecque, C., et al. "Coastal applications from nadir altimetry: Example of the X-TRACK regional products" . Advances in Space Research, vol. 59, no. 4, 2017, pp. 936-953.
http://dx.doi.org/10.1016/j.asr.2016.11.005
---------- VANCOUVER ----------
Birol, F., Fuller, N., Lyard, F., Cancet, M., Niño, F., Delebecque, C., et al. Coastal applications from nadir altimetry: Example of the X-TRACK regional products. Adv. Space Res. 2017;59(4):936-953.
http://dx.doi.org/10.1016/j.asr.2016.11.005