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NTIS 바로가기바다 : 한국해양학회지 = The sea : the journal of the Korean society of oceanography, v.20 no.4, 2015년, pp.159 - 168
조형찬 (목포대학교 해양자원학과) , 조영길 (목포대학교 해양자원학과)
Forty-four surface sediments from Doam Bay were analyzed for total organic carbon (TOC), total nitrogen (TN), total metal (Al, Fe, Mn, Cr, Cu, Ni, Pb, Zn) and further chemical partitioning of metals were carried out in some samples. The TOC (0.32~3.10%) and TN (0.03~0.26%) values of the samples were...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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우리나라 갯벌의 특징은? | 우리나라 갯벌은 국토면적의 약 2%에 해당되는 총 2,489 km2로세계 5대 갯벌에 자리매김 되는 규모의 우월성뿐만 아니라 수산물의 생산 및 서식지, 정화, 심미 등 기능적 측면을 포함한 다양한 부가가치가 여러 연구를 통해 확인되고 강조되었다(Park, 1999; Kim et al., 2001; Choi, 2004). | |
갯벌의 축소 및 황폐화가 현실화되고 사회문제로 대두된 원인은? | , 2001; Choi, 2004). 그러나 근래 급속한 산업화와 도시화, 수산양식 및 어장확보에 따른 각종 난개발과 경제활동으로 갯벌의 축소 및 황폐화가 현실화되고 사회문제로 대두되었다. 이에 정부는 1999년에 갯벌을 연안습지로 지정하는 습지보존법을 발효시켜 갯벌의 보전 및 관리를 체계적이고 종합적으로 수립하기 위해 갯벌 현황 조사를 5년마다 시행하도록 법으로 명시하였다. | |
도암만은 니질(M) 및 실트질(Z) 퇴적상을 기반으로 모래가 10% 이상 포함된 사니질(sM) 및 사실트질(sZ) 퇴적상이 주를 이루며, 하구 및 해안에 인접한 지역에 역니질((g)M) 및 역니사질((g)mS) 퇴적상이 분포한다고 본 이유는? | 퇴적물의 평균입도는 3.3~7.6Ø 범위였으며, 전반적으로 실트와 점토가 우세하나 시료의 27%는 50% 이상의 모래 또는 약간의 자갈(<5%)을 포함하였다. 따라서 도암만은 니질(M) 및 실트질(Z) 퇴적상을 기반으로 모래가 10% 이상 포함된 사니질(sM) 및 사실트질(sZ) 퇴적상이 주를 이루며, 하구 및 해안에 인접한 지역에 역니질((g)M) 및 역니사질((g)mS) 퇴적상이 분포한다(Fig. |
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