Sea surface height trend and variability at seasonal and interannual time scales in the Southeastern South American continental shelf between 27°S and 40°S

Recent improvements in satellite altimetry data correction terms are encouraging studies of the remote sensed sea level anomalies (SLA) progressively closer to the coast and over shallow continental shelves. In this paper we describe and discuss the SLA trend and variability at seasonal and interann...

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Autor principal: Saraceno, Martín
Otros Autores: Simionato, C.G, Ruiz-Etcheverry, L.A
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: Elsevier Ltd 2014
Acceso en línea:Registro en Scopus
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100 1 |a Saraceno, Martín 
245 1 0 |a Sea surface height trend and variability at seasonal and interannual time scales in the Southeastern South American continental shelf between 27°S and 40°S 
260 |b Elsevier Ltd  |c 2014 
270 1 0 |m Saraceno, M.; Centro de Investigaciones del Mar y la Atmósfera CIMA/CONICET-UBA, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Intendente Guiraldes 2160, Ciudad Universitaria, Ciudad Autónoma de Buenos Aires C1428EGA, Pabellón II, Argentina 
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506 |2 openaire  |e Política editorial 
520 3 |a Recent improvements in satellite altimetry data correction terms are encouraging studies of the remote sensed sea level anomalies (SLA) progressively closer to the coast and over shallow continental shelves. In this paper we describe and discuss the SLA trend and variability at seasonal and interannual time scales in the southeastern South American continental shelf influenced by the Río de la Plata estuary and the Patos Lagoon fresh waters. The spatio-temporal coverage of the gridded altimetry SLA data allows identify several variability patterns and the associated physical processes. On seasonal time scales, the combination of the solar radiation and wind forcing cycles accounts for up to 98% of the variability. Seasonal variability of the wind is responsible for a difference of up to 16cm between the southern (Argentinean) Río de la Plata estuary coast and the Uruguayan and southern Brazilian coasts. On interannual time scales, positive/negative SLA anomalies are coherent with El Niño/La Niña events. Finally, a significant positive trend of up to 5mmyr-1 is found in all the study area except in the region around the Patos Lagoon (Brazil) and part of the Río de la Plata. Besides the local relevance of the results, this study indicates that satellite altimetry data are accurate enough to unveil SLA spatio-temporal patterns close to the coast and over continental shelves in the mentioned time scales. © 2014 Elsevier Ltd.  |l eng 
536 |a Detalles de la financiación: National Council for Scientific Research, PIP 112 201101 00176 
536 |a Detalles de la financiación: Secretaría de Ciencia y Técnica, Universidad de Buenos Aires, SGP 2076, 2011-2014 20020100100840 
536 |a Detalles de la financiación: PICT 2012 0467, PICT 2010-1831 
536 |a Detalles de la financiación: GEO-0452325 
536 |a Detalles de la financiación: Agencia Nacional de Promoción Científica y Tecnológica 
536 |a Detalles de la financiación: Inter-American Institute for Global Change Research 
536 |a Detalles de la financiación: Consejo Nacional de Investigaciones Científicas y Técnicas 
536 |a Detalles de la financiación: Two anonymous Reviewers and Professor P.T. Strub provided useful comments to improve the article. For SST: NOAA Coastwatch Program, NOAA NESDIS Office of Satellite Data Processing and Distribution, and NASA Goddard Space Flight Center and Ocean Color Web. This study is a contribution to the ANPCyT ( National Agency for Scientific and Technological Research of Argentina ) PICT 2012 0467 , PICT 2010-1831 , the CONICET ( National Council for Scientific and Technological Research of Argentina ) PIP 112 201101 00176 , PIP 133 20130100242 CO and the UBACyT 2011-2014 20020100100840 Projects. LRE is supported by grant SGP 2076 from the Inter-American Institute for Global Change Research which is supported by the US National Science Foundation (Grant GEO-0452325 ). 
593 |a Centro de Investigaciones del Mar y la Atmósfera CIMA/CONICET-UBA, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Intendente Guiraldes 2160, Ciudad Universitaria, Ciudad Autónoma de Buenos Aires C1428EGA, Pabellón II, piso, Argentina 
593 |a Departamento de Ciencias de la Atmósfera y de los Océanos DCAO/FCEN, UBA, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Intendente Guiraldes 2160, Ciudad Universitaria, Ciudad Autónoma de Buenos Aires C1428EGA, Pabellón II, piso, Argentina 
593 |a Unité Mixte International UMI IFAECI 3351 CNRS-CONICET-UBA, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Intendente Guiraldes 2160, Ciudad Universitaria, Ciudad Autónoma de Buenos Aires C1428EGA, Pabellón II, piso, Argentina 
690 1 0 |a ALTIMETRY 
690 1 0 |a RIO DE LA PLATA ESTUARINE 
690 1 0 |a SEA SURFACE HEIGHT 
690 1 0 |a SEASONAL CYCLE 
690 1 0 |a TREND 
690 1 0 |a CONTINENTAL SHELF 
690 1 0 |a OCEANIC CURRENT 
690 1 0 |a SATELLITE ALTIMETRY 
690 1 0 |a SATELLITE DATA 
690 1 0 |a SEA SURFACE HEIGHT 
690 1 0 |a TEMPORAL VARIATION 
690 1 0 |a TIMESCALE 
690 1 0 |a WIND FORCING 
690 1 0 |a RIO DE LA PLATA 
700 1 |a Simionato, C.G. 
700 1 |a Ruiz-Etcheverry, L.A. 
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