Using serial observations, evidence of the existence of upwelling in the region between the northeast flowing Kuroshio and the coast of Ibaraki and Fukushima Prefectures is presented. The complex and variable oceanic condition in this region sometimes conceals some of the evidence of upwelling. Evidence of upwelling can be seen in the distributions of temperature and salinity, and more clearly in those of dissolved oxygen and phosphate. The average position of the upwelling region is just off Cape Shioyazaki in Fukushima Prefecture. Such an upwelling phenomenon may be a general oceanic feature characteristic of the region at the poleward edge of western boundary currents.
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An, H.S. Observational evidence of the upwelling off cape shioyazaki in Fukushima Prefecture, Japan. Journal of the Oceanographical Society of Japan 36, 85–95 (1980). https://doi.org/10.1007/BF02209359
- Dissolve Oxygen
- Feature Characteristic