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Distribution of Total CO2, Nutrients, Chlorophyll-a in the Scotia Sea During Austral Summer
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  • Journal title : Ocean and Polar Research
  • Volume 26, Issue 3,  2004, pp.401-414
  • Publisher : Korea Institute of Ocean Science & Technology
  • DOI : 10.4217/OPR.2004.26.3.401
 Title & Authors
Distribution of Total CO2, Nutrients, Chlorophyll-a in the Scotia Sea During Austral Summer
Kim, Dong-Seon; Shim, Jeong-Hee; Kim, Kyung-Tae; Kang, Young-Chul;
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Temperature, salinity, alkalinity, pH, nutrient, chlorophyll, and iron were measured within the upper 250m water column around the Antarctic Polar Front in the Scotia Sea from late November to early December 2001. Temperature and salinity showed a rapid change across the Polar Front, and the temperature minimum layer existed only in the southern area of the Polar Front. Total and nutrient concentrations were relatively high and increased rapidly with water depth in the southern area of the Polar Front, which was resulted from upwelling of the Antarctic deep water containing high concentrations of total and nutrient. ratios measured in the norhem and southern areas of the Polar Front were 75:11.4:1 and 84:12.5:1, respectively, which were lower than the Redfield ratio. ratio (3.65) measured in the southern area of the Polar Front was two times higher than that (1.95) in the northern area. These two ratios were higher than the ratio (1.0) measured in the temperate and tropical oceans. Chlorophyll concentrations were extremely high in the area of , which was attributed to favorable environmental conditions for phytoplankton growth in this area, such as sufficient iron, high water column stability, and high silicate concentration.
Scotia Sea;Antarctic Polar Front;total ;nutrients;chlorophyll-a;
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해양심층수와 표층수의 혼합비율에 따른 식물플랑크톤의 증식 변화에 대한 기초연구,김아리;이승원;정동호;문덕수;김현주;

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