Articles | Volume 20, issue 4
https://doi.org/10.5194/os-20-945-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/os-20-945-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
06 Aug 2024
Research article |
| 06 Aug 2024
| 06 Aug 2024
Internal-tide vertical structure and steric sea surface height signature south of New Caledonia revealed by glider observations
Arne Bendinger
CORRESPONDING AUTHOR
Université de Toulouse, LEGOS (CNES/CNRS/IRD/UT3), Toulouse, France
now at: Laboratoire d'Océanographie Physique et Spatiale, Univ. Brest, CNRS, Ifremer, IRD, IUEM, Brest, France
Sophie Cravatte
Université de Toulouse, LEGOS (CNES/CNRS/IRD/UT3), Toulouse, France
IRD, Centre IRD de Nouméa, New Caledonia
Lionel Gourdeau
Université de Toulouse, LEGOS (CNES/CNRS/IRD/UT3), Toulouse, France
Luc Rainville
Applied Physics Laboratory, University of Washington, Seattle, WA, USA
Clément Vic
Laboratoire d'Océanographie Physique et Spatiale, Univ. Brest, CNRS, Ifremer, IRD, IUEM, Brest, France
Guillaume Sérazin
Laboratoire d'Océanographie Physique et Spatiale, Univ. Brest, CNRS, Ifremer, IRD, IUEM, Brest, France
now at: Institut de Recherche de l'École Navale (IRENav), EA 3634 – École Navale, 29240, Brest, France
Fabien Durand
Université de Toulouse, LEGOS (CNES/CNRS/IRD/UT3), Toulouse, France
Frédéric Marin
Université de Toulouse, LEGOS (CNES/CNRS/IRD/UT3), Toulouse, France
Jean-Luc Fuda
Aix Marseille Univ., Université de Toulon, CNRS, IRD, MIO UM 110, Marseille, France
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The EUREC4A field campaign, designed to test hypothesized mechanisms by which clouds respond to warming and benchmark next-generation Earth-system models, is presented. EUREC4A comprised roughly 5 weeks of measurements in the downstream winter trades of the North Atlantic – eastward and southeastward of Barbados. It was the first campaign that attempted to characterize the full range of processes and scales influencing trade wind clouds.
Alice César Fassoni-Andrade, Fabien Durand, Daniel Moreira, Alberto Azevedo, Valdenira Ferreira dos Santos, Claudia Funi, and Alain Laraque
Earth Syst. Sci. Data, 13, 2275–2291, https://doi.org/10.5194/essd-13-2275-2021, https://doi.org/10.5194/essd-13-2275-2021, 2021
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We present a seamless dataset of river, land, and ocean topography of the Amazon River estuary with a 30 m spatial resolution. An innovative remote sensing approach was used to estimate the topography of the intertidal flats, riverbanks, and adjacent floodplains. Amazon River bathymetry was generated from digitized nautical charts. The novel dataset opens up a broad range of opportunities, providing the poorly known underwater digital topography required for environmental sciences.
Sophie Cravatte, Guillaume Serazin, Thierry Penduff, and Christophe Menkes
Ocean Sci., 17, 487–507, https://doi.org/10.5194/os-17-487-2021, https://doi.org/10.5194/os-17-487-2021, 2021
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The various currents in the southwestern Pacific Ocean contribute to the redistribution of waters from the subtropical gyre equatorward and poleward. The drivers of their interannual variability are not completely understood but are usually thought to be related to well-known climate modes of variability. Here, we suggest that oceanic chaotic variability alone, which is by definition unpredictable, explains the majority of this interannual variability south of 20° S.
Cited articles
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Short summary
A unique dataset of glider observations reveals tidal beams south of New Caledonia – an internal-tide-generation hot spot in the southwestern tropical Pacific. Observations are in good agreement with numerical modeling output, highlighting the glider's capability to infer internal tides while assessing the model's realism of internal-tide dynamics. Discrepancies are in large part linked to eddy–internal-tide interactions. A methodology is proposed to deduce the internal-tide surface signature.
A unique dataset of glider observations reveals tidal beams south of New Caledonia – an...
