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Interannual Variability of Common Squid Fishing Ground in the East Sea derived from Satellite and In-situ Data
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 Title & Authors
Interannual Variability of Common Squid Fishing Ground in the East Sea derived from Satellite and In-situ Data
Kim, Sang-Woo; Ahn, Ji-Suk; Lim, Jin-Wook; Jeong, Hee-Dong; Park, Jong-Hwa;
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In this study, we estimate the interannual spatial and temporal distributions of fishing grounds at night in the East Sea based on satellite and in-situ data. We observe that the thermal front moves in the north-south direction according to the movement of the warm water (above ) in the Tsushima Warm Current (TWC) area, forcing the cold water area (below ) to either expand or shrink. The interannual variations of sea surface temperature (SST) in winter represented by the indicator SST of are consistent with the east-west zonal areas in the central East Sea which represented over standard deviation of SST in February during 1990-2000. Annual SST in the fishing grounds of common squid fishing vessels, observed both by fishing vessels and satellites range from 9-, with the satellite-observed data having a larger range than the fishing vessel-based ones. The interannual distributions of the common squid fishing grounds in the East Sea are mostly concentrated in the TWC area in the southwestern part of the East Sea and in the coast of southern Honshu and Hokkaido in Japan. The interannual distributions of the nighttime fishing vessels are consistent with the catches investigated from the fishing vessel.
Interannual variability;East Sea;Squid fishing ground;SST;Satellite data;
 Cited by
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