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NTIS 바로가기바다 : 한국해양학회지 = The sea : the journal of the Korean society of oceanography, v.13 no.3, 2008년, pp.210 - 221
김경홍 (한국해양연구원 심해해저자원연구부) , 현정호 (한양대학교 해양환경과학과) , 손주원 (한국해양연구원 심해해저자원연구부) , 손승규 (한국해양연구원 심해해저자원연구부)
The mesoscale environmental surveys were conducted between
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핵심어 | 질문 | 논문에서 추출한 답변 |
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퇴적층내 탄소함량의 분포를 결정하는 큰 요인은 무엇으로 판단되는가? | 경도별 분포에서는 총탄소, 유기탄소, 총질소 함량이 대부분 평균값의 15%내외로 변하고 있어 정점들간의 차이는 위도별 분포에 비해 미미하였다. 퇴적층내 탄소함량의 분포를 결정하는 큰 요인은 수괴구조에 기인된 수층의 생산력 차이로 판단되며, 이러한 생산력 차이는 조사지역에서 위도에 따라 다르게 나타났다. 이는 비슷한 위도상에 위치한 정점들은 북동태평양의 해류구조상 비슷한 수괴특성을 가지기 때문이다. | |
해양내 탄소순환과정에서 해수중의 무기탄소는 중요한 과정을 통해 입자화된 탄소로 전환되는데 그 두과지 과정은 무엇인가? | 해양내 탄소순환과정에서 해수중의 무기탄소는 중요한 두 과정을 통해 입자화된 탄소로 전환된다. 첫 번째는 다양한 종류의 생물들(산호, 유공충, 석회조류등)에 의해 탄산칼슘 외각이 형성되는 것이고, 두 번째는 주요 조류(algae)가 광합성과정을 통해 유기물을 형성하는 것이다(de Haas et al., 2002). | |
퇴적층으로 유입된 유기물이 하는 역할은 무엇인가? | 8% 정도가 퇴적물에 축적된다(Balzer, 1984; Berger, 1989). 따라서 퇴적층으로 유입되는 유기물은 대기중 이산화탄소를 제거할뿐 아니라 저서생태계에 먹이와 에너지를 공급한다는 측면에서 매우 중요하다. |
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