한국환경과학회지 (Journal of Environmental Science International)

  • 제14권4호
  • /
  • Pages.397-404
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  • 2005
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  • 1225-4517(pISSN)
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  • 2287-3503(eISSN)
한국환경과학회 (The Korean Environmental Sciences Society)
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2004년 7월 봇돌바다의 영양염과 chlorophyll-a의 단기 변동

Temporal variations of nutrients and chlorophyll-a in the Bottol Bada in July, 2004

  • 최용규 (국립수산과학원 남해수산연구소) ;
  • 조은섭 (국립수산과학원 남해수산연구소) ;
  • 권기영 (국립수산과학원 남해수산연구소) ;
  • 이용화 (국립수산과학원 남해수산연구소) ;
  • 이영식 (국립수산과학원 남해수산연구소)
  • Choi Yong-Kyu (South Sea Fisheries Research Institute, National Fisheries Research and Development Institute) ;
  • Cho Eun-Seob (South Sea Fisheries Research Institute, National Fisheries Research and Development Institute) ;
  • Kwon Kee-Young (South Sea Fisheries Research Institute, National Fisheries Research and Development Institute) ;
  • Lee Yong-Hwa (South Sea Fisheries Research Institute, National Fisheries Research and Development Institute) ;
  • Lee Young-Sik (South Sea Fisheries Research Institute, National Fisheries Research and Development Institute)
  • 발행 : 2005.04.01
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초록

In order to study the temporal variations of nutrients and chlorophyll-a in the Bottol Bada, three field observations were carried out on 20, 23 and 26 July, 2004. The low N:P values exhibit nitrogen deficiency during the periods of observation. This result is not representative of typical summer environment in the southern coast of Korea. The possible mechanisms are as follows: 1) The freshwater inflow was not sufficient for the supply of nitrogen because the total precipitation was 11.9 mm in July, 2004. This amount is no more than $5\%$ in normal precipitation in July. 2) There was an inflow of oceanic water under the subsurface into the Bottol Bada. Even though the oceanic water comprises more nutrients, it produces the stratification between the surface and the subsurface water and seems to prevent the supply of nutrinets to the surface layer. 3) The high chlorophyll-a concentration of $1.2 {\cal}ug/L$ was shown near the narrow channel between Gae-do and Geumo-do. This seems to be resulted from the inflow of water from Gamak Bay.

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참고문헌

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피인용 문헌

  1. Characteristics of Water Temperature and Salinity in the Bottol Bada, Yeosu during Summer in 2010 vol.17, pp.4, 2011, https://doi.org/10.7837/kosomes.2011.17.4.301