DEVELOPMENT OF A MODEL FOR ESTIMATING OF VERTICAL DISTRIBUTION OF DISSOLVED INORGANIC CARBON DUE TO EELGRASS IN A STRATIFIED FLUID

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  • 成層を考慮したアマモ場における溶存無機炭素鉛直分布の推定モデルの開発
  • セイソウ オ コウリョ シタ アマモジョウ ニ オケル ヨウゾンムキ タンソ エンチョク ブンプ ノ スイテイ モデル ノ カイハツ

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Abstract

<p> In order to reveal the carbon uptake mechanism of eelgrass, the vertical distribution of dissolved inorganic carbon (DIC) was estimated by a conceptual model considering the stratification effect at Lake Komuke. The field observation show that the eelgrass meadows change stratification and the vertical distribution of DIC. The conceptual model was verified by comparing with the vertical diffusion coefficients obtained from the Submerged Aquatic Vegetation model (SAV model). As a result, the conceptual model results agreed with the SAV model when eelgrass exists densely in a strong stratified fluid. Additionally, SAV model was improved in order to reduce run-time cost by combining with a hydrostatic model. The improved SAV model shows high accuracy and the run time was reduced dramatically.</p>

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