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タイトル: Vertical diffusivity and water qualities in the upper Gulf of Thailand in March 2009
著者: Buranapratheprat, Anukul
Yanagi, Tetsuo
Ishii, Daisuke
Intacharoen, Prasarn
キーワード: vertical diffusivity
chlorophyll
dissolved nutrient
water quality
Gulf of Thailand
発行日: 2010年8月20日
出版者: International Coastal Research Center, Atmosphere and Ocean Research Institute, the University of Tokyo
掲載誌情報: Coastal marine science. Vol. 34, No. 1, 2010, pp. 61-67
抄録: Field observation in the upper Gulf of Thailand (UGoT) in March 2009 was conducted to prove the relationship between vertical diffusivity (water turbulence) and chlorophyll-a (Chl-a), addressed by numerical model results of our previous study. Relationships between Chl-a and water properties, including salinity, temperature, density, dissolved oxygen (DO), dissolved inorganic nitrogen (DIN) and phosphorous (DIP), dissolved silicate (DSi) and turbulence, were investigated. Blooming areas did not exactly correspond to the area of freshwater influences and high nutrients, except DSi. Insignificant relationships between Chl-a and environmental parameters were found in the correlation analysis. The correlation line indicated that no relationship is evident in the case of Chl-a and DIN. Proportional relationships seem to happen for Chl-a and DIP, and Chl-a and DSi, while reverse relationships for Chl-a and Kz. Further investigations are required to clarify the occurrence mechanism of red tide in UGoT.
内容記述: Proceedings of 4th JSPS-VAST Joint Seminar on 'Coastal Marine Science', Hai Phong, Viet Nam, 26-28 October 2009
Oceanography
URI: http://hdl.handle.net/2261/51652
ISSN: 13493000
出現カテゴリ:Coastal Marine Science
Coastal Marine Science

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