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NTIS 바로가기Journal of environmental science international = 한국환경과학회지, v.26 no.3, 2017년, pp.325 - 334
박건우 (목포해양대학교 해양시스템공학과) , 이다혜 (목포해양대학교 해양시스템공학과) , 신용식 (목포해양대학교 해양시스템공학과)
To understand the changes in physical parameters and phytoplankton size structure caused by tides, a fixed station in the Youngsan River estuary was monitored at 2-h intervals, on April 28, 2012 and August 12, 2012. No clear relationship was observed between the temperature and salinity changes and ...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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연안 하구에서 식물플랑크톤은 어떠한 역할을 담당하는가? | 하구는 조석, 파랑, 담수유입 등에 의해 담수와 해수의 혼합이 발생하여 물리, 화학, 생물, 지질학적으로 매우 복잡한 해양 환경의 특성을 보이는 환경이다. 연안 하구에서 식물플랑크톤은 1차 생산자로서 동물플랑크톤과 어류와 같은 상위 영양단계에 영향을 미치며 탄소와 영양염류의 순환에도 중요한 역할을 담당하고 있으며(Boynton et al., 1982; Coffin et al. | |
하구는 어떠한 환경인가? | 하구는 조석, 파랑, 담수유입 등에 의해 담수와 해수의 혼합이 발생하여 물리, 화학, 생물, 지질학적으로 매우 복잡한 해양 환경의 특성을 보이는 환경이다. 연안 하구에서 식물플랑크톤은 1차 생산자로서 동물플랑크톤과 어류와 같은 상위 영양단계에 영향을 미치며 탄소와 영양염류의 순환에도 중요한 역할을 담당하고 있으며(Boynton et al. | |
영산강 하구에서 담수가 해수역으로 유입되는 형태로 바뀌어 나타난 결과는? | 특히 담수역의 수위에 따라 인위적인 수문조작으로 담수가 해수역으로 유입되는 형태로 바뀌었다. 이로 인해 해수 유동이 차단될 뿐만 아니라 유속이 감소하였으며(Kang and Ihm, 1998; Kim, 1999), 조간대 감소 및 조석 특성도 변화한 것으로 보고되었다(Lee, 1994; Kang et al., 1998). 또한 조류속 감소로 인해 체류시간이 증가하면서 오염물질이 집적되어 하구 내 환경오염이 예상되는 해역이다(Kang, 1996; Park, 1997). |
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