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disaster_i's profile
牛山素行
牛山素行
牛山素行
@disaster_i

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牛山素行

@disaster_i

静岡大学防災総合センター教授．豪雨災害・津波災害を中心に災害情報について研究．「防災意識，防災教育，備え，共助，訓練，身を守る，ボランティア，きづな，よりそい，たすけあい，おもいやり，きづき，まなび，志」などの言葉には共感を持ちません． http://twilog.org/disaster_i 

静岡市駿河区
Joined August 2010

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    牛山素行‏ @disaster_i Aug 30

    牛山素行 Retweeted 国土地理院

    国土地理院のお仕事は本当にありがたい．とても感謝しているのだけど，この図の浸水深と色の濃淡の関係は，見る側が注意しないといけないね．https://twitter.com/GSI_chiriin/status/1167270762064969728 …

    牛山素行 added,

    国土地理院Verified account @GSI_chiriin
    【防災情報】令和元年8月の前線に伴う #大雨 に関する情報 本日、浸水推定段彩図を公開。 8月28日15時頃に国土交通省防災ヘリが撮影した画像…
    5:55 AM - 30 Aug 2019
    • 18 Retweets
    • 32 Likes
    • Y ありだ(･´ω`･)仔猫里親募集中 Tomoki Itamiya 板宮 朋基 NORI 彩葉 Daniel（学術・交通用） 特定非営利活動個人・源朝臣(あっそん) はとあた2:50＠小デブにクラスチェンジ こばこ(Shunsuke Tsushima)
    1 reply 18 retweets 32 likes
      1. New conversation
      1. 牛山素行‏ @disaster_i Aug 30

        たとえば，今回と昨年の真備の同じような図では，浸水深と色の濃淡の関係が異なっている．下記の両図を見比べて「真備の時と同じくらい深い浸水が!」と理解するのは間違いになる．pic.twitter.com/bfiKUSqZaf

        1 reply 13 retweets 21 likes
        Show this thread
      2. 牛山素行‏ @disaster_i Aug 30

        このあたりはなかなか難しくて，真備の時に揃えると，今回の現場では浸水深の違いがよく分からなくなるだろうし，悩ましいところ．凡例や注記を見ることはとても重要．

        0 replies 8 retweets 20 likes
        Show this thread
        3. End of conversation

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