The Kuroshio flowing over seamounts and associated submesoscale flows drive 100-km-wide 100-1000-fold enhancement of turbulence

Takeyoshi Nagai; Daisuke Hasegawa; Eisuke Tsutsumi; Hirohiko Nakamura; Ayako Nishina; Tomoharu Senjyu; Takahiro Endoh; Takeshi Matsuno; Ryuichiro Inoue; Amit Tandon

doi:10.1038/s43247-021-00230-7

Communications Earth & Environment (Aug 2021)

The Kuroshio flowing over seamounts and associated submesoscale flows drive 100-km-wide 100-1000-fold enhancement of turbulence

Takeyoshi Nagai,
Daisuke Hasegawa,
Eisuke Tsutsumi,
Hirohiko Nakamura,
Ayako Nishina,
Tomoharu Senjyu,
Takahiro Endoh,
Takeshi Matsuno,
Ryuichiro Inoue,
Amit Tandon

Affiliations

Takeyoshi Nagai: Department of Ocean Sciences, Tokyo University of Marine Science and Technology
Daisuke Hasegawa: Fisheries Resources Institute, Japan Fisheries Research and Education Agency (FRA)
Eisuke Tsutsumi: Atmosphere and Ocean Research Institute, University of Tokyo
Hirohiko Nakamura: Aquatic Sciences, Kagoshima University
Ayako Nishina: Aquatic Sciences, Kagoshima University
Tomoharu Senjyu: Research Institute for Applied Mechanics, Kyushu University
Takahiro Endoh: Research Institute for Applied Mechanics, Kyushu University
Takeshi Matsuno: Research Institute for Applied Mechanics, Kyushu University
Ryuichiro Inoue: Ocean Circulation Research Group, Japan Agency for Marine-Earth Science and Technology
Amit Tandon: Mechanical Engineering Department & SMAST, University of Massachusetts Dartmouth

DOI: https://doi.org/10.1038/s43247-021-00230-7
Journal volume & issue: Vol. 2, no. 1
pp. 1 – 11

Abstract

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Persistent and intense mixing hotspots are generated where the Kuroshio flows over steep seamounts, with an increase in energy dissipation by two to three orders of magnitude, according to tow-yo microstructure measurements combined with numerical simulations.

Published in Communications Earth & Environment

ISSN: 2662-4435 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science: Geology; Geography. Anthropology. Recreation: Environmental sciences
Website: https://www.nature.com/commsenv/

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