Physics
Scientific paper
Aug 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004georl..3116309y&link_type=abstract
Geophysical Research Letters, Volume 31, Issue 16, CiteID L16309
Physics
3
Oceanography: Physical: Western Boundary Currents, Oceanography: Physical: Fronts And Jets, Oceanography: Physical: Eddies And Mesoscale Processes, Oceanography: General: Descriptive And Regional Oceanography, Oceanography: Physical: General Circulation
Scientific paper
Near bottom current structure in the area of the Kuroshio Extension is examined using Lowered ADCP data obtained along 146°25'E and 152°30'E. The flow of the Kuroshio Extension reaches the ocean floor with a shift of the current to the right with depth. The near bottom currents have speeds of over 10 cm/s. Westward deep counter currents are observed to the north and south of the near bottom Kuroshio Extension. The eastward Kuroshio Extension transport is 163 Sv across 146°25'E and 113 Sv across 152°30'E, larger than previous studies because the contribution of the barotropic flow is twice that of the geostrophic flow. The downstream variation of the transport suggests the Kuroshio Extension strength increases after separating from the coast of Japan and decreases before 152°30'E. However, temporal variability could also contribute to the different transport estimates.
Church John A.
Uchida Hiroshi
White Neil J.
Yoshikawa Yasushi
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