Rice-Planted Area Estimation in Early Stage Using Space-Borne SAR Data.

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  • Takeuchi Shoji
    Dept. of Environmental Information Studies, Faculty of Environmental Studies, Hiroshima Institute of Technology
  • Konishi Tomohisa
    Graduate Courses of Environmental Studies, Hiroshima Institute fo Technology
  • Suga Yuzo
    Dept. of Environmental Information Studies, Faculty of Environmental Studies, Hiroshima Institute of Technology
  • Oguro Yosinari
    Dept. of Environmental Information Studies, Faculty of Environmental Studies, Hiroshima Institute of Technology

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Other Title
  • 衛星搭載ＳＡＲデータによる水稲作付面積の早期推定
  • エイセイ トウサイ SAR データ ニ ヨル スイトウ サクツケ メンセキ ノ ソウキ スイテイ

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Three different types of space borne SAR data were processed and analyzed to investigate temporal changes of SAR backscattering intensity of riceplanted fields. The result clearly indicated the superiority of C-band SAR by RADARSAT/FINE and ERS-1 compared with L-band SAR by JERS-1 for the purpose of rice monitoring. Next, rice-planted area estimation in whole Higashi-Hiroshima City was attempted by using RADARSAT/FINE and ERS-1/SAR and the results coincided well with the statistical values by the government office. In addition, a possibility for riceplanted area estimation in an early stage, namely just after rice-planting season, was also suggested from the result of this study.

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