礫浜汀線域の土砂環境把握のための基礎的実験的研究

DOI 日本農学文献記事索引 Web Site 被引用文献1件
  • 梶原 直人
    国立研究開発法人水産総合研究センター瀬戸内海区水産研究所

書誌事項

タイトル別名
  • Laboratory Simulation of the Sediment Environment of Gravel Beach Shoreline Area with Artificial Gravel Sediment
  • レキハマ テイセンイキ ノ ドシャ カンキョウ ハアク ノ タメ ノ キソテキ ジッケンテキ ケンキュウ

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There is little information about the physical properties of gravel beaches habitats for organism. In order to elucidate whether the physical properties in shoreline areas of gravel and sand beaches, how differences in, the saturation level using glass beads gravel equivalent particle size was measured by suction. Also, the sediment hardness was measured using four different measuring instruments, in order to understand the basic physical properties in shoreline areas of gravel beaches. Suction, which increases as the particle size is smaller, the value was small. Also, in the unsaturated state, the saturation level has a substantially constant value vary. 4 kinds of hardness index, increased as the particle size became large, in the unsaturated state, and was almost constant regardless of the saturation level. From these results, the particle size of the gravel equivalent is estimated to be nearly physical properties with saturated, unsaturated and particle size (weight of one grain) is determined, and the value of the suction and sediment hardness due to the variation of the saturation level effects of variation was small.

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