Development of the remote management system for GPS drifting buoy and observation of the vertical structure of horizontal divergence / convergence in Ariake Bay

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  • GPS漂流ブイ遠隔動態管理システムの開発と有明海における水平収束・発散の鉛直構造の現場観測
  • GPS ヒョウリュウ ブイ エンカク ドウタイ カンリ システム ノ カイハツ ト アリアケカイ ニ オケル スイヘイ シュウソク ・ ハッサン ノ エンチョク コウゾウ ノ ゲンバ カンソク

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We have developed the GPS drifting buoy and the remote management system. With these buoys and system, we observed the vertical structure of horizontal divergence / convergence in three layers (surface, middle and bottom) in Ariake Bay on 26 July 2006. In case of the surface divergence (convergence) field, the middle and bottom layers show the convergence (divergence) and divergence (convergence) field, respectively. This suggests that surface water mass has a different divergence / convergence character compared with the lower layer and the vertical current structure may play an important role for the primary production in the coastal area.

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