関連する実験動画
Updated: Aug 3, 2026
13:48
Design and Construction of an Urban Runoff Research Facility
Published on: August 8, 2014
都市化中の流域流域の浸食が,都市化中の流域流域からの堆積物収量に与える影響
1Department of Geography and Institute of the Environment, University of California, 405 Hilgard Avenue, Los Angeles, CA 90095-1524, USA.
Science (New York, N.Y.)
|November 21, 1997
まとめ
ストリームチャネルの浸食は,都市化水域における堆積物の主要な源である. サンディエゴ・クリークでは,この侵食が総堆積量の3分の2を占め,運河安定化戦略の必要性を強調した.
科学分野:
- 環境科学 環境科学
- 水文学 水文学とは
- ジオモルフォロジー ジオモルフォロジー
背景:
- 流通路の浸食は,流域の発展による長期の堆積物収量における重要な要因として広く認識されています.
- 都市化は,水文学と地表の変化による侵食プロセスを悪化させることが多い.
研究 の 目的:
- 都市化中の流域流域の浸食による流域流域の浸食による流域流域の浸食による流域流域の浸食による流域流域の浸食による流域流域の浸食による流域流域の浸食による流域流域の浸食による流域流域の浸食による流域流域の浸食による流域の浸食による流域流域の浸食による流域の浸食による流域の浸食による流域の浸食による流域の浸食による流域の浸食による流域の浸食による流域の浸食による流域の浸食による流域の浸食による流域の浸食による流域の浸食による流域の浸食による流域の浸食による流域の浸食による流域の浸食による流域の浸食による流域の浸食による流域の浸食による流域の浸食による流域の浸食による流域の浸食による流域の浸食による流域の浸食による流域の浸食による流域の浸食による流域
- カリフォルニア州南部における堆積物源としての運河侵食の重要性を評価する.
主な方法:
- サンディエゴ・クリーク流域で10年以上にわたって (1983年−1993年) 堆積物収量測定が行われました.
- 分析は,様々な源からの沈殿物の貢献を区別することに焦点を当て,チャンネル侵食に焦点を当てました.
主要な成果:
- ストリームチャネルの侵食は,年間約10^5メガグラムの堆積物をもたらしていることが判明しました.
- この貢献は,研究期間中にサンディエゴ・クリーク流域の総堆積量の約3分の2を占めた.
結論:
- 運河の浸食は,サンディエゴ・クリークのような都市化水域における堆積物の主要な源泉である.
- 運河安定化対策の実施は,これらの地域における効果的な堆積物管理に不可欠です.
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