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Figure F10. Recent meteorological and oceanographic data showing the path of the strong northeasterly Kuroshio Current (pink arrow) and the paths of the subsidiary and seasonal currents in the area (small red arrows) Risks associated with drilling in high currents in nonriser mode are much less than in riser mode onboard Chikyu; however, some operations such as casing, wellhead installation, and others may be effected. Alternate sites and contingency plans were made with this in mind.

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