Hydrographic Section Across the Kuroshio Near 35 Degrees N, 143 Degrees E
2006
Teague, W. J. | Shiller, A. M. | Hallock, Z. R.
A closely spaced conductivity-temperature-depth/hydrographic section was conducted off the east coast of Japan in July 1992. The southeastward section crossed the Japan Trench and the Kuroshio in the vicinity of the Kashima 1 seamount. Vertical sections of temperature, salinity, density, oxygen, and nutrients are discussed in conjunction with the movement and interleaving of water masses. Complicated vertical and horizontal mixings of water masses are inferred from the temperature and salinity relationships. Mixing processes are patchy and not continuous beneath the front. Warm, salty water found beneath the Kuroshio may result from upward mixing of water from intermediate depths. The main axis of the Kuroshio indicated by the 14 degree C isotherm at 200 m, is at 35.7 degrees N, 142.6 degrees E, about 20 km from the north wall surface thermal front. Geostrophic speeds exceed 170 cm s-1 at the surface; volume transport through the section is 81 X 106 M3 S-1. Conductivity-temperature-depth/ hydrographic vertical section, Kuroshio, Water mass mixing.
Show more [+] Less [-]Pub. in Jnl. of Geophysical Research, v99 nC4 p7639-7650, 15 Apr 1994.
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