Spatial and temporal variability in mode-1 and mode-2 internal solitary waves from MODIS-Terra sun glint off the Amazon shelf
Carina Regina de Macedo,Ariane Koch-Larrouy,José Carlos Bastos da Silva,Jorge Manuel Magalhães,Carlos Alessandre Domingos Lentini,Trung Kien Tran,Marcelo Caetano Barreto Rosa,and Vincent Vantrepotte
Laboratoire d'Océanologie et de Géosciences, Université du Littoral-Côte-d'Opale, Université Lille, CNRS, IRD, UMR 8187, LOG, 32 avenue Foch, Wimereux, France
LEGOS, IRD, Université de Toulouse 3 (UTLSE3), CNES, CNRS, Toulouse, France
Ariane Koch-Larrouy
LEGOS, IRD, Université de Toulouse 3 (UTLSE3), CNES, CNRS, Toulouse, France
José Carlos Bastos da Silva
Department of Geosciences, Environment and Spatial Planning, Faculdade de Ciências da Universidade do Porto, Rua do Campo Alegre 687, 4169-007, Porto, Portugal
Instituto de Ciências da Terra, Polo Porto, Universidade do Porto, Rua do Campo Alegre 687, 4169-007, Porto, Portugal
Department of Geosciences, Environment and Spatial Planning, Faculdade de Ciências da Universidade do Porto, Rua do Campo Alegre 687, 4169-007, Porto, Portugal
CIIMAR, Universidade do Porto, Rua dos Bragas 289, 4050-123, Porto, Portugal
Carlos Alessandre Domingos Lentini
Department of Earth and Environment Physics, Physics Institute, Ondina Campus, Federal University of Bahia – UFBA, Salvador, Bahia, Brazil
Department of Oceanography, Geosciences Institute, Campus Ondina, Federal University of Bahia – UFBA, Salvador, Bahia, Brazil
Interdisciplinary Center for Energy and Environment (CIEnAm), Federal University of Bahia – UFBA, Salvador, Bahia, Brazil
Trung Kien Tran
Laboratoire d'Océanologie et de Géosciences, Université du Littoral-Côte-d'Opale, Université Lille, CNRS, IRD, UMR 8187, LOG, 32 avenue Foch, Wimereux, France
Marcelo Caetano Barreto Rosa
Department of Oceanography, Geosciences Institute, Campus Ondina, Federal University of Bahia – UFBA, Salvador, Bahia, Brazil
Vincent Vantrepotte
Laboratoire d'Océanologie et de Géosciences, Université du Littoral-Côte-d'Opale, Université Lille, CNRS, IRD, UMR 8187, LOG, 32 avenue Foch, Wimereux, France
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We focus on the internal solitary waves (ISWs) off the Amazon shelf, their velocity, and their variability in seasonal and tidal cycles. The analysis is based on a large remote-sensing data set. The region is newly described as a hot spot for ISWs with mode-2 internal tide wavelength. The wave activity is higher during spring tides. The mode-1 waves located in the region influenced by the North Equatorial Counter Current showed a velocity/wavelength 14.3 % higher during the boreal summer/fall.
We focus on the internal solitary waves (ISWs) off the Amazon shelf, their velocity, and their...
