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Tomographic measurements of the Kuroshio Extension Meander and its associated eddies
Author(s) -
Yuan Gang,
Nakano Iwao,
Fujimori Hidetoshi,
Nakamura Toshiaki,
Kamoshida Takashi,
Kaya Akio
Publication year - 1999
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/1998gl900253
Subject(s) - meander (mathematics) , geology , mesoscale meteorology , eddy , tomography , geodesy , altimeter , remote sensing , climatology , meteorology , geometry , turbulence , geography , physics , mathematics , optics
A 1000‐km scale three‐dimensional (3D) acoustic tomography experiment has been conducted in the Kuroshio Extension region from July to September 1997. The 3D temperature fields show the energetic meander of the Kuroshio Extension with high time resolution. Mesoscale eddies associated with the meander with horizontal scale greater than 200‐km are resolved in the tomographic inversion. These results are consistent with other measurements such as ADCP, XCTD and TOPEX/POSEIDON satellite altimetry. Variable oceanic structures in a 1000‐km domain, which are difficult targets for conventional point measurement techniques, can be measured well by ocean acoustic tomography with real‐time data telemetry.

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