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謝辞
本研究を行うにあたり，所属研究室の西村拓教授や濱本昌一郎准教授をはじめ，様々な方
から多くの助言，ご協力をいただきました．ここで謝意を表させていただきます．
西村拓教授には本研究の初めから，研究計画や試料採集などについて多くの助言，ご協力
をいただきました．修士課程から博士課程の在籍期間中，私自身の至らなさから研究で行き
詰まったときに大学に来ないようなことも度々ありましたが，その都度待っていただき，考
え方や考え方のきっかけを与えていただきました．また，学内の研究活動以外にも学会発表
やセミナー活動など，学外で様々な経験を積む機会も与えていただきました．誠にありがと
うございます．
濱本昌一郎准教授にはコロイドの移動や Hydrous を用いた数値実験など，私の苦手な分
野で誠にお世話になりました．博士課程の研究の終盤になりましたが，数値実験の意味つい
て考えるきっかけをいただき，それがうまくいった時の面白さに気づくことが出来ました．
また，投稿論文の執筆時もアイディアや文章の整理について多くの助言をいただきました．
誠にありがとうございます．
福島大学の二瓶直登准教授には福島県内の試料採取等，お手伝いいただきました．また，
アイソトープ施設内の実験の際には放射性核種の使用から片付けまで細かに教えていただ
き，本研究の 137Cs を使用した実験は二瓶先生にお手伝いいただいたからこそできたと思っ
ております．ありがとうございます。
宇都宮大学の大澤和敏准教授には大学を卒業する際，快く私を環境地水学研究室に送り
出していただきました．学部 4 年生の時，はじめはあまり興味もなかった福島や Cs といっ
た研究テーマを卒業研究として与えていただき，気づけば博士課程まで続けていました．こ
れも何かの縁だったのかと思います．ありがとうございます。
また，山﨑琢平さんや杉本卓也さんはじめ研究室の先輩，後輩の方にも，研究や普段の研
究室の生活について大変お世話になりました．私の方から何か有益な助言等できたとは思
えませんが，反面教師にしろ何かしら参考になることがあれば幸いです．
学外においては，まず，学会では他大学や研究所の先生方には私の研究について様々なご意
見をいただき，自身の研究の至らなさを考えるきっかけや議論することの難しさを教えて
いただきました．今後ともよろしくお願いします．また，調査，試料採取地である福島県飯
舘村では NPO 法人ふくしま再生の会の方々に貴重なお話を伺い，研究の在り方や福島県の
復興について考えるきっかけをいただきました．ありがとうございます．
ここに書ききれませんが，博士課程の 4 年半の間だけでも，様々な方にお世話になりま
した．誠にありがとうございます．
最後になりますが，修士課程だけではなく博士課程に進学するといった際，特に反対もせ
ず長い間私の研究，大学生活を支えていただいた父と母，祖父母に感謝を表したいと思いま
す．ありがとうございました．
51
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