Tidal signatures on surface chlorophyll a concentration in the Brazilian Equatorial Margin
Carina Regina de Macedo,Ariane Koch-Larrouy,José Carlos Bastos da Silva,Jorge Manuel Magalhães,Fernand Assene,Manh Duy Tran,Isabelle Dadou,Amine M'Hamdi,Trung Kien Tran,and Vincent Vantrepotte
Earth Observation and Geoinformatics Division, General Coordination of Earth Sciences, National Institute for Space Research (INPE), São José dos Campos, Brazil
Univ. Littoral Côte d'Opale, CNRS, Univ. Lille, IRD, UMR 8187 – LOG – Laboratoire d'Océanologie et de Géosciences, 62930 Wimereux, France
LEGOS CNRS/IRD/CNES, Université de Toulouse, Toulouse, France
Ariane Koch-Larrouy
LEGOS CNRS/IRD/CNES, Université de Toulouse, Toulouse, France
CECI CNRS/Cerfacs/IRD, Université de Toulouse, 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
Department of Maritime Navigation and Information Systems, National Advanced School of Maritime and Ocean Science and Technology (NASMOST), University of Ebolowa, P.O. Box: 292 Kribi, Ebolowa, Cameroon
Manh Duy Tran
Univ. Littoral Côte d'Opale, CNRS, Univ. Lille, IRD, UMR 8187 – LOG – Laboratoire d'Océanologie et de Géosciences, 62930 Wimereux, France
Isabelle Dadou
LEGOS CNRS/IRD/CNES, Université de Toulouse, Toulouse, France
Amine M'Hamdi
LEGOS CNRS/IRD/CNES, Université de Toulouse, Toulouse, France
CECI CNRS/Cerfacs/IRD, Université de Toulouse, Toulouse, France
Departamento de Oceanografia da Universidade Federal de Pernambuco – DOCEAN/UFPE, Recife, Brazil
Trung Kien Tran
Univ. Littoral Côte d'Opale, CNRS, Univ. Lille, IRD, UMR 8187 – LOG – Laboratoire d'Océanologie et de Géosciences, 62930 Wimereux, France
Vincent Vantrepotte
Univ. Littoral Côte d'Opale, CNRS, Univ. Lille, IRD, UMR 8187 – LOG – Laboratoire d'Océanologie et de Géosciences, 62930 Wimereux, France
Viewed
Total article views: 4,174 (including HTML, PDF, and XML)
HTML
PDF
XML
Total
BibTeX
EndNote
3,246
775
153
4,174
146
160
HTML: 3,246
PDF: 775
XML: 153
Total: 4,174
BibTeX: 146
EndNote: 160
Views and downloads (calculated since 25 Jun 2025)
Cumulative views and downloads
(calculated since 25 Jun 2025)
Total article views: 893 (including HTML, PDF, and XML)
HTML
PDF
XML
Total
BibTeX
EndNote
637
219
37
893
41
44
HTML: 637
PDF: 219
XML: 37
Total: 893
BibTeX: 41
EndNote: 44
Views and downloads (calculated since 19 Mar 2026)
Cumulative views and downloads
(calculated since 19 Mar 2026)
Total article views: 3,281 (including HTML, PDF, and XML)
HTML
PDF
XML
Total
BibTeX
EndNote
2,609
556
116
3,281
105
116
HTML: 2,609
PDF: 556
XML: 116
Total: 3,281
BibTeX: 105
EndNote: 116
Views and downloads (calculated since 25 Jun 2025)
Cumulative views and downloads
(calculated since 25 Jun 2025)
Viewed (geographical distribution)
Total article views: 4,174 (including HTML, PDF, and XML)
Thereof 4,114 with geography defined
and 60 with unknown origin.
Total article views: 893 (including HTML, PDF, and XML)
Thereof 843 with geography defined
and 50 with unknown origin.
Total article views: 3,281 (including HTML, PDF, and XML)
Thereof 3,271 with geography defined
and 10 with unknown origin.
We investigated how ocean tides influence marine phytoplankton along the North Brazilian coast. Using satellite data from 2005 to 2021, we found that tides can either enhance or reduce phytoplankton growth on the continental shelf. Offshore, internal tides stimulate primary production along their pathways. These results improve our understanding of how tidal processes shape marine life in tropical coastal regions.
We investigated how ocean tides influence marine phytoplankton along the North Brazilian coast....