分かりやすい土砂災害情報に関する社会実験について Demonstration test on the easily comprehensive information for the early warning against sediment-related disasters

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Early warning is important to prevent sediment-related disasters. However, reality is that it is difficult for local authorities to issue evacuation order and also difficult for residents to evacuate even if it would be issued. Therefore, it is critical to provide easily comprehensive information which can contribute to immediate judgment of local authorities and self-imposed evacuation by local residents. In this study, we prepared a portal site for early warning against sediment-related disaster through Internet and cellular phone data communication system (i-mode). For one year, we kept providing the information through the portal site to the selected local government officers, members of volunteer fire service, and residents all who have a leading role at the time of disaster as a demonstration test. Information on the risk of sediment-related disaster, radar rainfall data, and ground-based rainfall data are all provided in real-time. If the amount and intensity of rainfall exceed a previously designated value, alert mails are sent. During and after the test, we had questionnaires on the information provided to the examinees. As a result, the following is clarified. 1) Throughout the test, there was no serious rainstorm which is large enough to trigger landslide. However, we confirmed that the information provided sometimes triggered the examinees to make actions such as a patrol around their town. 2) The imode system was utilized much more frequently than internet, 3) The number of accesses to the radar-rainfall data was largest in all the provided contents. 4) The wider view of the information on the risk of sediment-related disaster was preferred. 5) The timing of the alert mail is important.

収録刊行物

  • 砂防学会誌 : 新砂防 = Journal of the Japan Society of Erosion Control Engineering  

    砂防学会誌 : 新砂防 = Journal of the Japan Society of Erosion Control Engineering 60(6), 20-27, 2008-03-15 

    社団法人 砂防学会

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各種コード

  • NII論文ID(NAID)
    10021228220
  • NII書誌ID(NCID)
    AN1056478X
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    02868385
  • NDL 記事登録ID
    9448599
  • NDL 雑誌分類
    ZR21(科学技術--農林水産--林産) // ZN1(科学技術--建設工学・建設業)
  • NDL 請求記号
    Z18-495
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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