Extraordinary subsurface mesoscale eddy detected in the southeast of Okinawa in February 2002

Tetsutaro Takikawa; Hiroshi Ichikawa; Kaoru Ichikawa; Satoshi Kawae

doi:10.1029/2005GL023842

Extraordinary subsurface mesoscale eddy detected in the southeast of Okinawa in February 2002

Tetsutaro Takikawa, Hiroshi Ichikawa, Kaoru Ichikawa, Satoshi Kawae

Division of Earth Environment Dynamics

Research output: Contribution to journal › Article › peer-review

20 Citations (Scopus)

Abstract

In February 2002, a subsurface mesoscale eddy with extraordinary features was detected at a depth of about 300 dbar in the southeast of Okinawa (a part of the Ryukyu Islands). The water mass occupying this subsurface eddy is characterized as the North Pacific Subtropical Mode Water (NPSTMW) with salinity maximum and thick thermostad; its temperature, salinity and potential density at the core of the eddy are 18.4°C, 34.81 and 25.06 σ_χ, respectively. Thickness and width of the eddy are about 300 m and 100 km, respectively. Mixing between the eddy and the surrounding water mass is also found. Such eddy with the NPSTMW has never been detected during ten years.

Original language	English
Article number	L17602
Pages (from-to)	1-4
Number of pages	4
Journal	Geophysical Research Letters
Volume	32
Issue number	17
DOIs	https://doi.org/10.1029/2005GL023842
Publication status	Published - Sept 16 2005

All Science Journal Classification (ASJC) codes

Geophysics
General Earth and Planetary Sciences

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10.1029/2005GL023842

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title = "Extraordinary subsurface mesoscale eddy detected in the southeast of Okinawa in February 2002",

abstract = "In February 2002, a subsurface mesoscale eddy with extraordinary features was detected at a depth of about 300 dbar in the southeast of Okinawa (a part of the Ryukyu Islands). The water mass occupying this subsurface eddy is characterized as the North Pacific Subtropical Mode Water (NPSTMW) with salinity maximum and thick thermostad; its temperature, salinity and potential density at the core of the eddy are 18.4°C, 34.81 and 25.06 σχ, respectively. Thickness and width of the eddy are about 300 m and 100 km, respectively. Mixing between the eddy and the surrounding water mass is also found. Such eddy with the NPSTMW has never been detected during ten years.",

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AU - Takikawa, Tetsutaro

AU - Ichikawa, Hiroshi

AU - Ichikawa, Kaoru

AU - Kawae, Satoshi

PY - 2005/9/16

Y1 - 2005/9/16

N2 - In February 2002, a subsurface mesoscale eddy with extraordinary features was detected at a depth of about 300 dbar in the southeast of Okinawa (a part of the Ryukyu Islands). The water mass occupying this subsurface eddy is characterized as the North Pacific Subtropical Mode Water (NPSTMW) with salinity maximum and thick thermostad; its temperature, salinity and potential density at the core of the eddy are 18.4°C, 34.81 and 25.06 σχ, respectively. Thickness and width of the eddy are about 300 m and 100 km, respectively. Mixing between the eddy and the surrounding water mass is also found. Such eddy with the NPSTMW has never been detected during ten years.

AB - In February 2002, a subsurface mesoscale eddy with extraordinary features was detected at a depth of about 300 dbar in the southeast of Okinawa (a part of the Ryukyu Islands). The water mass occupying this subsurface eddy is characterized as the North Pacific Subtropical Mode Water (NPSTMW) with salinity maximum and thick thermostad; its temperature, salinity and potential density at the core of the eddy are 18.4°C, 34.81 and 25.06 σχ, respectively. Thickness and width of the eddy are about 300 m and 100 km, respectively. Mixing between the eddy and the surrounding water mass is also found. Such eddy with the NPSTMW has never been detected during ten years.

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Extraordinary subsurface mesoscale eddy detected in the southeast of Okinawa in February 2002

Abstract

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