FUNDAMENTAL STUDY ON A MEASUREMENT METHOD OF RIVER TURBIDITY USING MULTISPECTRAL DATA

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  • YAMASAKI Yosei
    高知工業高等専門学校専攻科 ソーシャルデザイン工学専攻
  • TAKEDA Ryuya
    株式会社ハイドロシステム開発
  • OKADA Shoji
    高知工業高等専門学校 ソーシャルデザイン工学科

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Other Title
  • マルチスペクトルデータを用いた河川濁度計測手法に関する基礎的研究

Abstract

<p> In this study, we investigated the uses of multispectral cameras and satellite data with the aim of developing river turbidity measurement methods for various scales. As a result, it was found that the turbidity estimation using the same turbidity estimation equations is possible because the turbidity reflectances obtained from the multispectral cameras and satellite data are almost the same. Furthermore, the near-infrared wavelengths showed the possibility of constructing a turbidity estimation formula applicable to actual rivers from experimental data at near-infrared wavelengths. On the other hand, it was found that the field observation data is necessary because the red wavelength is affected by the water depth.</p>

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