目次

はじめに研究担当者一覧
１．序論········································································································································· 1
１．１

研究の背景と目的······································································································ 1

１．２

日本における土壌・地下水汚染の現状と取り組み ··············································· 2

１．２．１

土壌・地下水汚染の現状 ·············································································· 2

１．２．２

土壌汚染対策·································································································· 4

１．２．３

地下水汚染対策 ······························································································ 4

１．２．４

PRTR 制度の制定 ··························································································· 5１．３

欧米における取り組みの考え方 ·············································································· 6

１．４

本研究の位置づけと研究の進め方 ·········································································· 9２．対象とする化学物質の選定と絞り込みに関する考え方 ··················································11３．対象フィールドの選定と化学物質調査 ············································································ 15３．１

対象フィールドの選定 ···························································································· 15３．２

対象フィールドの概要 ···························································································· 16３．３

対象フィールドにおける化学物質調査································································· 17

４．対象フィールドにおける地下水流動および物質輸送の計算 ········································· 21４．１

計算モデルの選定···································································································· 21４．２

用いる計算モデルの概要および基本方程式、用いるパラメータの説明 ·········· 22

４．３

対象フィールドの諸特性に基づくメッシュ構造および各種パラメータの設定·················································································································································· 25
４．３．１

対象フィールドの特性 ················································································ 25

４．３．２

地形・地質構造の設定 ················································································ 38

４．３．３

三次元解析メッシュ図の作成····································································· 40

４．３．４

水理定数・境界条件等の基本設定····························································· 45

４．４

対象フィールドの地下水流れおよび物質輸送の基本的特徴の把握 ·················· 47

５．管理法の検討 ······················································································································· 55
５．１

管理の考え方の提案································································································ 55５．２

土壌・地下水汚染対応マップの試作····································································· 57

５．３

マップの活用法についての考察 ············································································ 70

５．４

リスクコミュニケーションへのマップの活用 ····················································· 74

５．４．１

リスクコミュニケーションの概要と取り組み事例·································· 74

５．４．２５．５

河川管理者に求められる役割とそれに対する対応マップの活用法 ······ 76

今後の展開について································································································ 78

６．まとめ··································································································································· 79

参考文献······································································································································· 81
付録資料
１．リスクコミュニケーション事例集
２．シミュレーションモデルによる計算結果の表示方法