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Dynamics of Ocean Currents and Fronts
Physical Oceanography
Graduate School of Oceanography
University of Rhode Island
Narragansett, RI 02882

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Kerama Gap

Measuring the flow through the Kerama Gap

Field Program: June 2009 - June 2011

Principal Investigators:

Mark Wimbush, University of Rhode Island
Jae-Hun Park, University of Rhode Island

Funding for this project was supplied by the Office of Naval Research

Japanese Collaborators:

Hirohiko Nakamura, Kagoshima University
Ayako Nishina, Kagoshima University


Kerama Gap Array

Figure 1. Left panel: East China Sea (ECS) region; ETC = East Taiwan Channel, KG = Kerama Gap, TKS = Tokara Strait; Jason-1 altimetry tracks shown as gray lines; red bar shows position of the deployed array. Right panel: Enlargement of Kerama Gap region showing the deployed array: red dots are CPIES moorings, blue dots are CM moorings. The array is along a line across the Kerama Gap, except that one CPIES instrument near the center of the Gap is about 10 km northwest of this line. Depth contours are at 200, 500, 1000, 2000, 3000 and 4000 m.

Kerama Gap Section

Figure 2. Cross-section diagram of the Kerama Gap array. Four CPIESs are shown as solid red dots (open red squares immediately above represent the current sensors 50 m above the sea floor). Seven CMs on three moorings are shown as black open squares. Topography is from measurements taken on the June 2009 cruise. Note: this section across the Kerama Gap is slightly northwest of the sill, hence the maximum depth at the section is greater than the sill depth (1050 m).


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