Year-to-year variations in the Yellow River discharge and the primary production in the Bohai Sea

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  • Yanagi Tetsuo
    Research Institute for Applied Mechanics, Kyushu University
  • Sakoda Shoya
    Department of Earth System Science and Technology, Interdisciplinary Graduate School of Engineering Sciences, Kyushu University
  • Hayashi Mitsuru
    Organization of Advance and Technology, Kobe University
  • Asanuma Ichio
    Tokyo University of Information Sciences

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Other Title
  • 黄河河川流量変動と渤海基礎生産変動
  • コウガ カセン リュウリョウ ヘンドウ ト ボッカイ キソ セイサン ヘンドウ

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Abstract

Year-to-year variations in the Yellow River discharge and the primary production in the Bohai Sea were investigated based on the river discharge data and satellite images of SeaWiFS from 1998 to 2005. The yearly averaged chlorophyll a concentration at the central part of the Bohai Sea was high in the year when the Yellow River discharge was large and low in the year when that was small. This is due to that phosphate concentration in the Bohai Sea depended on the Yellow River discharge.

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