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BIOCHEMICAL RESPONSES TO WARM WATER INTRUSION IN THE VICINITY OF WESTERN BOUNDARY OF CANADA BASIN

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Title
BIOCHEMICAL RESPONSES TO WARM WATER INTRUSION IN THE VICINITY OF WESTERN BOUNDARY OF CANADA BASIN
Other Titles
캐나다분지 서쪽 경계지역에서의 태평양기원 온난류에 대한 생화학적 반응
Authors
Kim, Young Nam
Lee, Soo Young
La, HyoungSul
Ha, Ho Kyung
Chung, Kyung Ho
Yang, Eun Jin
Keywords
Arctic Ocean; Bloom; Canada Basin; Warm eddy; Warm water intrusion
Issue Date
2010
Citation
Kim, Young Nam, et al. 2010. BIOCHEMICAL RESPONSES TO WARM WATER INTRUSION IN THE VICINITY OF WESTERN BOUNDARY OF CANADA BASIN. ISAR-2 International Organizing Committee (IOC). ISAR-2 International Organizing Committee (IOC). 2010.12.07~.
Abstract
Physical and biochemical data were collected from 38 stations along the Northwind Ridge (NwR) and western boundary of Canada Basin (CB) during July-August, 2010. Pacific-origin warm water was identified in the depth of 30-150 m, forming the strong warm eddies (Fig. 1). In particular, warm eddies were found near the peak of NwR and the continental slope of CB. The nutrient distribution and chlorophyll-a concentration generally matched with the location of warm eddies. Nitrate was the limiting factor of phytoplankton growth, and generally small sized cells were mostly dominated. However, warm eddy area was characterized by large sized cells (e.g., diatom). In the context of warm eddy vs. bloom, during the presentation, the spatial variability in the hydrography (i.e., water mass and T-S structure) and biochemical responses (i.e., nutrient and plankton biomass) will be presented. Furthermore, microscopic observation and pigment analysis for phytoplankton community study will be discussed.
URI
http://repository.kopri.re.kr/handle/201206/8519
Conference Name
ISAR-2 International Organizing Committee (IOC)
Conference Place
ISAR-2 International Organizing Committee (IOC)
Conference Date
2010.12.07~
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