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NTIS 바로가기海洋環境安全學會誌 = Journal of the Korean society of marine environment & safety, v.19 no.5 = no.58, 2013년, pp.439 - 458
박승윤 (국립수산과학원 서해수산연구소) , 허승 (국립수산과학원 서해수산연구소) , 유준 (국립수산과학원 서해수산연구소) , 황운기 (국립수산과학원 서해수산연구소) , 박종수 (국립수산과학원 서해수산연구소) , 이승민 (국립수산과학원 서해수산연구소) , 김창미 (국립수산과학원 서해수산연구소)
Temporal and spatial variations of water quality were investigated in the Cheonsu Bay of Yellow Sea, Korea from 2010 to 2011. Water samples were collected at 16 stations and physicochemical parameters were analyzed including water temperature, salinity, suspended solids (SS), chemical oxygen demand ...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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천수만의 지리적 특성은 무엇인가? | 천수만은 한반도 서해안에 위치하여 충청남도 보령, 홍성, 서산, 태안군의 육지와 안면도, 효자도, 원산도 등의 도서로 둘러싸인 반폐쇄성 내만으로서 만 입구의 폭은 약 5 km이고만의 폭은 죽도의 등서를 기준으로 약 9 km이며 만의 길이는 약 35 km로서 수면적은 380 km2이었으나 방조제 건설 등으로 인하여 179 km2로 감소하였고, 수심은 10~25 m로 대조시의 조차는 8 m에 이른다(Park et al., 2000; Lee et al. | |
수질변동의 요인을 구명하기 위해 무엇을 하였는가? | 수질변동의 요인을 구명하기 위하여 격월별 및 정점별 수질항목간 상관분석(Spearman's correlation analysis)을 통하여 a=0.05 유의 수준에서 유의성을 검증하였으며, 상기의 분석은 PC SAS를 이용하였다(Lee et al., 2003; STI, 2005). | |
천수만의 면적변화는 어떻게 되는가? | 1978년 11월 22일 이 지역 248.8 km2를 수산자원보전 지역으로 고시하였다. 그러나 1980년부터 1984년까지의 서산 AB지구 간척공사로 1986년 5월 10일 27.24 가 감소된 221.56 km2를 보전지역으로 변경고지 되는 등 감소되어 2010년 12월 9일에 146.915 km2로 변경하였다. 본 해역은 수산자원학적으로 중요한 해역이나 근래에 들어서 하절기에 저서 생물의 폐사 현상과 적조 현상이 발생하는 추세에 있다. |
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