The Mindanao Eddy (7°N, 128°E) is a semi-permanent cold-ring

eddy Eddie or Eddy may refer to: Science and technology *Eddy (fluid dynamics), the swirling of a fluid and the reverse current created when the fluid flows past an obstacle *Eddie (text editor), a text editor originally for BeOS and now ported to Linu ...

formed in the retroflection area of the

Mindanao Current The Mindanao Current (MC) is a southward current in the western Pacific Ocean that transports mass and freshwater between ocean basins. It is a low-latitude western boundary current that follows the eastern coast of the Philippine island group a ...

. The Mindanao Eddy is bordered to the north by the

North Equatorial Current The North Equatorial Current (NEC) is a westward wind-driven current mostly located near the equator, but the location varies from different oceans. The NEC in the Pacific and the Atlantic is about 5°-20°N, while the NEC in the Indian Ocean is v ...

and to the south by the North Equatorial Counter Current. The eddy has a diameter of 250 km and a

cyclonic In meteorology, a cyclone () is a large air mass that rotates around a strong center of low atmospheric pressure, counterclockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere as viewed from above (opposite to an anti ...

circulation. The Mindanao Eddy has been identified as potential grounds for fisheries due to

upwelling Upwelling is an oceanographic phenomenon that involves wind-driven motion of dense, cooler, and usually nutrient-rich water from deep water towards the ocean surface. It replaces the warmer and usually nutrient-depleted surface water. The nutr ...

.Primavera, K.H., Jacinto, G.S., San Diego-McGlon, M.L., Villanoy, C.L. Water Stability. Nutrient Flux, and Chlorophyll-a Distribution in the Mindanao Eddy. Natural Science. 8: 163-173.

References

Additional sources

* {{cite journal, date=5 December 2003, title=Observed features of the Halmahera and Mindanao Eddies, journal=Journal of Geophysical Research: Oceans, volume=118, issue=12, pages=6543–6560, doi=10.1002/2013JC009207, doi-access=free, last1=Kashino , first1=Yuji , last2=Atmadipoera , first2=Agus , last3=Kuroda , first3=Yoshifumi , last4=Lukijanto Whirlpools Currents of the Pacific Ocean