河川における航空レーザ測深技術の適用可能範囲推定方法の開発

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タイトル別名
  • A method for estimating the applicability of ALB (Airborne Laser Bathymetry) technology by airplane to national river area
  • カセン ニ オケル コウクウ レーザ ソクシン ギジュツ ノ テキヨウ カノウ ハンイ スイテイ ホウホウ ノ カイハツ

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抄録

We can measure depth of rivers quite efficiently by using ALB (Airborne Laser Bathymetry) technology. But in order to use ALB we must fly very low at 400 meters by airplane. So ALB is not usable anywhere. In this study, we developed a method for estimating the area where we can use ALB technology under topographical restriction. We simulated the applicable river area managed by the national government by this method and got the result that ALB can apply to 31% of the national river area.

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