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Transmittance properties of fishing lamp in distant-water squid jigging vessel

원양 오징어채낚기 집어등 불빛의 수중 투과 특성

  • Jo, Hyun-Su (Distant-water Fisheries Resources Team, National Fisheries Research & Development Institute) ;
  • Oh, Taeg-Yun (Fisheries Resources Management and Enhancement Team, South Sea Fisheries Research Institute, NFRDI) ;
  • Kim, Yeong-Seung (Distant-water Fisheries Resources Team, National Fisheries Research & Development Institute) ;
  • Moon, Dae-Yeon (Distant-water Fisheries Resources Team, National Fisheries Research & Development Institute)
  • 조현수 (국립수산과학원 해외자원팀) ;
  • 오택윤 (국립수산과학원 남해수산연구소 자원관리조성팀) ;
  • 김영승 (국립수산과학원 해외자원팀) ;
  • 문대연 (국립수산과학원 해외자원팀)
  • Published : 2006.11.30

Abstract

The transmittance properties of fishing lamp of the squid jigging vessel was investigated during nighttime operations in the Northwest Pacific on 21 and 29 September 2005. The metal halide lamps of white color($2.0kW{\times}168$) in the air and metal halide lamp of white color($10.0kW{\times}1$) in the underwater were used as a fishing lamp for gathering squids. The relative irradiance of metal halide lamp in the air showed peak in 850nm of wave length. The relationship between underwater illuminance(Y) and water depth(X) of metal halide lamp light in the observation areas is represented, $Y=84.137e^{-0.1105X},\;R^2=0.9974$. The distribution of underwater illuminance of measure points St. 1-5 showed low value of 0.11x in 80m depth.

Keywords

Fishing lamp;Illuminance;Irradiance;Jigging;Squid

References

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