メキシコ湾の北部の無酸素,高塩分流域である

R F Shokes, P K Trabant, B J Presley

Science (New York, N.Y.)

|June 24, 1977

まとめ

研究者らはメキシコ湾で無酸素,高塩塩塩の塩水プールを発見した. この深海の特徴は,赤い海の塩漬けのプールとは異なるユニークな地震反射器を作り,異なる形成プロセスを示唆しています.

科学分野:

地質学地質学地質学
海洋学海洋学海洋学
地質化学地質化学

背景:

深海の探査により,独特の地質学的構造が明らかになった.
アノキシ性および高塩分状態は,特定の海洋環境で見られる.
地震反射器は,地表構造についての洞察を提供します.

研究の目的:

メキシコ湾の新発見の低谷を調査するためです.
低気圧の内部にある無酸素,高塩水の性質を分析するために.
メキシコ湾の塩漬けを,赤海にあるような,他の既知の塩漬けプールと比較するために.

主な方法:

低気圧の地図を作成するための地質学的調査.
地下水の組成の化学分析.
塩水と海水のインターフェースを研究するための地震反射分析.

主要な成果:

アノキシ性,高塩塩塩 (250g/kg) を含んだ400平方キロメートルの沈殿地が特定されました.
塩水と海水のインターフェースは,水中地震反射器として機能します.
塩漬けの化学組成は赤海塩漬けに似ていますが,熱含量と地形学によって異なります.

結論:

メキシコ湾の塩漬けプールには,赤海塩漬けプールと似ているが,それとは異なる特徴があります.
熱含量と地質学的環境の違いから,メキシコ湾の塩漬けの独特の起源が示唆されている.
地震反射器は,深海の塩水形成を研究するための貴重なツールを提供します.

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