TY - JOUR
T1 - Large ageostrophic currents in the abyssal layer southeast of Kyushu, Japan, by direct measurement of LADCP
AU - Nagano, Akira
AU - Ichikawa, Kaoru
AU - Ichikawa, Hiroshi
AU - Yoshikawa, Yasushi
AU - Murakami, Kiyoshi
N1 - Copyright:
Copyright 2021 Elsevier B.V., All rights reserved.
PY - 2013/4
Y1 - 2013/4
N2 - With full-depth LADCP velocity data collected in a wide area southeast of Kyushu, Japan, large velocity currents, occasionally exceeding 15 cm s-1, were observed in a thick, 500-1,500 m, near-homogeneous density layer below approximately 3,000 m depth around the steep topographies. The currents were found not to flow along the topographic contours, and to be strongly ageostrophic. The directions of the bottom-layer currents are rather related with phase of the semi-diurnal tides, suggesting deeply intruded internal tides generated at the steep topographies.
AB - With full-depth LADCP velocity data collected in a wide area southeast of Kyushu, Japan, large velocity currents, occasionally exceeding 15 cm s-1, were observed in a thick, 500-1,500 m, near-homogeneous density layer below approximately 3,000 m depth around the steep topographies. The currents were found not to flow along the topographic contours, and to be strongly ageostrophic. The directions of the bottom-layer currents are rather related with phase of the semi-diurnal tides, suggesting deeply intruded internal tides generated at the steep topographies.
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U2 - 10.1007/s10872-013-0170-z
DO - 10.1007/s10872-013-0170-z
M3 - Article
AN - SCOPUS:84874797074
SN - 0916-8370
VL - 69
SP - 259
EP - 268
JO - Journal of Oceanography
JF - Journal of Oceanography
IS - 2
ER -