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KMID : 1024520080170040461
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Journal of the Environmental Sciences
2008 Volume.17 No. 4 p.461 ~ p.468
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Development of Real-time Oceanographic Information System for Pelagic Fishery Based on Argo Data
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Yang Joon-Yong
Suk Moon-Sik
Suh Young-Sang
Jeong Hee-Dong
Heo Seung
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Abstract
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Competitive power of pelagic fishery in Korea has been weakened by the domestic and international problems such as wage increase and exclusive economic zone. To make it worse, fishing fleet spends more than 80% of fishing time on searching fishing grounds. Real-time information on oceanographic data, temperature in particular, are likely to contribute to raise efficiency of fishing. However, available data obtained by satellite remote sensing, fixed buoy and drifting buoy, limited to sea surface or fixed positions. ARGO (Array for Real-time Geostrophic Oceanography), an international program, has delivered vertical profiles of temperature and salinity in the upper 2000m of the world ocean every 10 days using freely moving floats. We have developed real-time oceanographic information system for pelagic fishery based on the Argo data which has the contents of vertical profile, horizontal distribution and vertical section of temperature around fishing grounds and searched data can be download unrestrictedly. Comparison of skipjack catch with sea surface temperature and depth of derived from Argo data in the West Equatorial Pacific revealed that Argo data are able to help fishing fleet to find fishing grounds and to increase catch.
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KEYWORD
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Argo, Real-time, Information system, Pelagic fishery, Fishing ground
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