Articles | Volume 20, issue 2
https://doi.org/10.5194/os-20-569-2024
https://doi.org/10.5194/os-20-569-2024
Research article
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15 Apr 2024
Research article | Highlight paper |  | 15 Apr 2024

Resemblance of the global depth distribution of internal-tide generation and cold-water coral occurrences

Anna-Selma van der Kaaden, Dick van Oevelen, Christian Mohn, Karline Soetaert, Max Rietkerk, Johan van de Koppel, and Theo Gerkema

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Cited articles

Allen, S. E. and Durrieu de Madron, X.: A review of the role of submarine canyons in deep-ocean exchange with the shelf, Ocean Sci., 5, 607–620, https://doi.org/10.5194/os-5-607-2009, 2009. 
Banyte, D., Smeed, D. A., and Morales Maqueda, M.: The Weakly Stratified Bottom Boundary Layer of the Global Ocean, J. Geophys. Res.-Oceans, 123, 5587–5598, https://doi.org/10.1029/2018JC013754, 2018. 
Büscher, J. V., Form, A. U., and Riebesell, U.: Interactive effects of ocean acidification and warming on growth, fitness and survival of the cold-water coral Lophelia pertusa under different food availabilities, Front. Mar. Sci., 4, 101, https://doi.org/10.3389/fmars.2017.00101, 2017. 
Capotondi, A., Alexander, M. A., Bond, N. A., Curchitser, E. N., and Scott, J. D.: Enhanced upper ocean stratification with climate change in the CMIP3 models, J. Geophys. Res., 117, C04031, https://doi.org/10.1029/2011JC007409, 2012. 
Carlier, A., Le Guilloux, E., Olu, K., Sarrazin, J., Mastrototaro, F., Taviani, M., and Clavier, J.: Trophic relationships in a deep Mediterranean cold-water coral bank (Santa Maria di Leuca, Ionian Sea), Mar. Ecol.-Prog. Ser., 397, 125–137, https://doi.org/10.3354/meps08361, 2009. 
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Co-editor-in-chief
There have been various recent papers linking internal waves/tides with cold water coral distribution and abundance. This is the first one, to the best of our knowledge, that approaches the question from a global context. The focus on biophysical interaction means that it may be of particular interest to the broad geoscience community.
Short summary
Cold-water corals (CWCs) and tidal waves in the interior of the ocean have been connected in case studies. We demonstrate this connection globally using hydrodynamic simulations and a CWC database. Internal-tide generation shows a similar depth pattern with slope steepness and latitude as CWCs. Our results suggest that internal-tide generation can be a useful predictor of CWC habitat and that current CWC habitats might change following climate-change-related shoaling of internal-tide generation.