まとめ
ソルトン海における地質学的な傾きは,26年間,一貫した東南向きの傾向を示した. 1972年に傾きが逆転し,全体的な垂直の陸地移動が減少した.
科学分野:
- ジオデシ (Geodesy) とは
- 地質物理学 地質物理学とは地質物理学です.
- テクトニクス (地質学) とは
背景:
- ソルトン海地域は,構造的に活発である.
- 地面の垂直移動を理解することは,地震リスクの評価に不可欠です.
研究 の 目的:
- ソルトン海における地質学的な傾きを定量化するために.
- 縦の陸地移動の変化を時間とともに分析する.
主な方法:
- 2つの海岸ベースのゲージから湖水位測定を区別する.
- 湖水レベルの26年間の歴史的なデータを分析した.
主要な成果:
- テクトニックの傾きは,26年間一貫して東南方向に方向づけられました.
- 1970年までに, 38 km 以上の差分垂直運動は 110 mm に達した.
- 傾き方向の逆転は1972年末に起こった.
- 逆転後,純差垂直運動は60mmに減少した.
結論:
- サルトン海は,大きな構造的傾きを経験しました.
- 傾き方向の顕著な逆転は,1972年に起こった.
- この逆転は,この地域の土地の垂直移動に影響を及ぼした.
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