Journal of the Korea Institute of Information and Communication Engineering (한국정보통신학회논문지)

The Korea Institute of Information and Commucation Engineering (한국정보통신학회)
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GIS Analyst of Fishing Fleet in the East Sea Derived from Nighttime Satellite Images in 1993

1993년 야간위성영상에서 관측한 동해 어선분포의 GIS에 의한 분석

  • 김상우 (부경대학교 위성정보과학연구소)
  • Published : 2002.10.01
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Abstract

Spatio-temporal distributions of nighttime fishing fleet are descirbed with the aid of geographic information system(GIS) technology in the East/Japan Sea, using daily mean composite images of the Defense Meteorological Satellite Program(DMSP) /Operational Linescan System(OLS) in 1993. We selected a study area from $30^{\circ} N to 44^{\circ} N in latitude and from 124^{\circ} E to 142^{\circ}$ E in longitude in order to describe the monthly and seasonal changes of nighttime fishing fleet. The GIS software package Image Analyst (ArcView 3) are used to analyze spatio-temporal distributions of fishing nut. And the OLS images of nighttime visible band provide useful information about the spatio-temporal distribution of the fishing nut. Density areas of nighttime fishing fleet are around Tsushima/korea Strait. the east coast of the Korea Peninsula, the coast of Honshu, and around Yamato Bank.

본 연구에서는 1993년 야간 가시밴드 위성원격탐사 DMSP/OLS 자료를 이용하여 동해 전해역 야간 어선의 시공간적 변화를 GIS(Geographic Information System)에 적용하여 살펴보았다. 야간 어선의 월별 및 계절분포를 조사하기 위해 연구 영역을 위도 30$^{\circ}$ $N-44^{\circ} N, 경도 124^{\circ} E-142^{\circ}$ E을 선택했다. 어선의 시공간적 분포 분석에 이용한 GIS 소프트웨어는 ArcView 3.2로서 그 확장기능 중에서 Image Analyst를 이용하였다. 야간 가시밴드 Operational Linescan System(OLS) 영상은 야간 어선의 시공간적 분포에 대한 유용한 정보를 제공한다. 분석된 결과를 보면, 야간 어선이 밀집된 해역은 대마도와 대한해협주변, 한국 동해안 연안지역, 일본 혼슈열도 연안지역, 대화퇴 주변해역이었다

Keywords

References

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