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  1. 139 大気海洋研究所
  2. 80 国際沿岸海洋研究センター
  3. Coastal Marine Science
  4. 30
  5. 1
  1. 0 資料タイプ別
  2. 30 紀要・部局刊行物
  3. Coastal Marine Science
  4. 30
  5. 1

Using SeaWiFS satellite data for monitoring algal bloom in Vietnam waters, the South China Sea

https://doi.org/10.15083/00040748
https://doi.org/10.15083/00040748
b545dd75-c3b6-4576-8332-35c02183bd55
名前 / ファイル ライセンス アクション
KJ00004354579.pdf KJ00004354579.pdf (848.5 kB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2007-04-05
タイトル
タイトル Using SeaWiFS satellite data for monitoring algal bloom in Vietnam waters, the South China Sea
言語
言語 eng
キーワード
主題Scheme Other
主題 ocean color
キーワード
主題Scheme Other
主題 remote sensing
キーワード
主題Scheme Other
主題 algae bloom
キーワード
主題Scheme Other
主題 Vietnam waters
キーワード
主題Scheme Other
主題 South China Sea
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
ID登録
ID登録 10.15083/00040748
ID登録タイプ JaLC
著者 Dien, Tran Van

× Dien, Tran Van

WEKO 139453

Dien, Tran Van

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Hai, Pham Ngoc

× Hai, Pham Ngoc

WEKO 139454

Hai, Pham Ngoc

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著者所属
著者所属 Institute of Marine Environment and Resources
抄録
内容記述タイプ Abstract
内容記述 Vietnam waters are located in west of the South China Sea. Due to large area spreading in long latitude with different climate and oceanographic condition, it is very difficult to implement the field measurement in whole water areas for study the natural environment and ecological processes. Some studies on harmful marine micro algal were carried out, but the monitoring the occurrence of algal bloom, especially harmful algal bloom from satellite data was not implemented. This study uses the SeaWiFS satellite data for monitoring the algal bloom occurrence in Vietnam waters during 2002-2004. Chl-a concentration was calculated from SeaWiFS satellite data using OC4 algorithm of SeaDAS software. The study has identified the bloom areas in Vietnam waters during monitoring time. In the Gulf of Tonkin, algae blooms occur at the river mouths where nutrient discharge from rivers is rich. Other areas in the Gulf of Tonkin, the blooms sometimes occurred from November to next April, the same time of Northeast monsoon season. In Central Vietnam waters, the blooms occurred sometimes during Southwest monsoon season from May to September. The observed bloom areas are extended in Northeast direction from Mekong river mouths along the coast, then tendency spread out to off shore where the direction of the coast changes. This bloom occurrence relates to upwelling in Central Vietnam waters. In coastal area of Mekong river delta and Gulf of Thailand, the Chl-a concentration is usually high due to nutrient discharge from rivers. In Paracel Islands, algal bloom is observed in August 2002 and November 2003. Monitoring algae bloom from ocean color satellite data is necessary, especially for warning harmful algal bloom or red tide in Vietnam waters.
書誌情報 Coastal marine science

巻 30, 号 1, p. 44-48, 発行日 2006-04-28
ISSN
収録物識別子タイプ ISSN
収録物識別子 13493000
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AA11957899
フォーマット
内容記述タイプ Other
内容記述 application/pdf
日本十進分類法
主題Scheme NDC
主題 452
出版者
出版者 International Coastal Research Center, Ocean Research Institute, the University of Tokyo
出版者別名
東京大学海洋研究所国際沿岸海洋研究センター
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