水力断裂による地震性の管理のためのリスクベースのアプローチ
Ryan Schultz1, Gregory C Beroza2, William L Ellsworth2
1Department of Geophysics, Stanford University, Stanford, CA, USA. rjs10@stanford.edu.
まとめ
地震によるリスクの効果的な管理は極めて重要です. この研究では,水力断裂の赤い光の値が空間的に変化することを提案し,地震の管理のための単一の値よりも公正で安全なアプローチを提供します.
科学分野:
- 地質学と地震学
- エネルギーと環境科学
背景:
- 水力破砕による地震は 深刻な危険性があります
- 地震の危険を軽減するために効果的な管理戦略が必要である.
研究 の 目的:
- イーグル・フォード・シェールにおける水力断裂の"赤信号"基準を設定するためのリスクに基づく戦略を策定する.
- 異質な影響を考慮する空間的に変化する値を作成します.
主な方法:
- 空間的に異質な迷惑とダメージの影響をシミュレートするためにデータセットの組み合わせを使用しました.
- シミュレートされたインパクトで正常化された空間的に変動する赤光の値 (モメントマグニチュード [M_w]2.0〜5.0) を開発した.
主要な成果:
- シミュレートされた影響は,人口密度により,劇場の北東でより大きく,南西でより小さい.
- 空間的に異なる値は,単一の広域の値よりも公平で安全であることが判明しました.
- 予測された最大値は,感度試験において最も影響力のあるパラメータでした.
結論:
- 提案されたリスクインフォームド戦略は,誘発性地震リスクを管理するためのトラフィックライトプロトコルのガイドラインを提供します.
- 地震リスクの管理に より公平で安全なアプローチを 提供しています
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