About: Ekman layer

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The Ekman layer is the layer in a fluid where there is a force balance between pressure gradient force, Coriolis force and turbulent drag. It was first described by Vagn Walfrid Ekman. Ekman layers occur both in the atmosphere and in the ocean. There are two types of Ekman layers. The first type occurs at the surface of the ocean and is forced by surface winds, which act as a drag on the surface of the ocean. The second type occurs at the bottom of the atmosphere and ocean, where frictional forces are associated with flow over rough surfaces.

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  • Die Ekman-Schicht (nach Vagn Walfrid Ekman) ist der Hauptteil einer atmosphärischen Grenzschicht. Sie beginnt an der Obergrenze der nach Ludwig Prandtl benannten Prandtl-Schicht in etwa 100 m Höhe und reicht bis etwa 1000 m Höhe, die Obergrenze der atmosphärischen Grenzschicht. Somit kann sie als oberer Teil der Peplosphäre betrachtet werden. Die Ekman-Schicht ist auf der Nordhalbkugel durch Winddrehung nach rechts und nur noch geringe Windzunahme mit steigender Höhe gekennzeichnet. Trägt man die in den einzelnen Höhenstufen der Ekman-Schicht nach Richtung und Geschwindigkeit gemessenen Winde als von einem gemeinsamen Ursprungspunkt ausgehende Windpfeile (Vergleiche: Vektorielle Größe) auf auf, so beschreiben die Spitzen der Windpfeile eine Ekman-Spirale. (de)
  • The Ekman layer is the layer in a fluid where there is a force balance between pressure gradient force, Coriolis force and turbulent drag. It was first described by Vagn Walfrid Ekman. Ekman layers occur both in the atmosphere and in the ocean. There are two types of Ekman layers. The first type occurs at the surface of the ocean and is forced by surface winds, which act as a drag on the surface of the ocean. The second type occurs at the bottom of the atmosphere and ocean, where frictional forces are associated with flow over rough surfaces. (en)
  • エクマン境界層(エクマンきょうかいそう、英: Ekman layer)は、コリオリの力とがつりあう流体に見られる境界層である。ヴァン・ヴァルフリート・エクマンによって初めて記述された。 (ja)
  • In un fluido lo strato di Ekman è quello in cui il flusso è il risultato del bilanciamento tra il gradiente di pressione, la forza di Coriolis e la resistenza fluidodinamica turbolenta. Fu descritto per la prima dall'oceanografo svedese Vagn Walfrid Ekman. (it)
  • A camada de Ekman é a camada em um fluido onde existe um equilíbrio de forças entre força de gradiente de pressão, força de Coriolis e Foi descrita pela primeira vez por Vagn Walfrid Ekman. (pt)
  • 埃克曼层(又称摩擦上层,英語:Ekman layer)是流体中压力梯度力、科氏力和湍流阻力三力平衡的一层。由瑞典海洋学家埃克曼提出。 (zh)
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  • The Ekman layer is the layer in a fluid where there is a force balance between pressure gradient force, Coriolis force and turbulent drag. It was first described by Vagn Walfrid Ekman. Ekman layers occur both in the atmosphere and in the ocean. There are two types of Ekman layers. The first type occurs at the surface of the ocean and is forced by surface winds, which act as a drag on the surface of the ocean. The second type occurs at the bottom of the atmosphere and ocean, where frictional forces are associated with flow over rough surfaces. (en)
  • エクマン境界層(エクマンきょうかいそう、英: Ekman layer)は、コリオリの力とがつりあう流体に見られる境界層である。ヴァン・ヴァルフリート・エクマンによって初めて記述された。 (ja)
  • In un fluido lo strato di Ekman è quello in cui il flusso è il risultato del bilanciamento tra il gradiente di pressione, la forza di Coriolis e la resistenza fluidodinamica turbolenta. Fu descritto per la prima dall'oceanografo svedese Vagn Walfrid Ekman. (it)
  • A camada de Ekman é a camada em um fluido onde existe um equilíbrio de forças entre força de gradiente de pressão, força de Coriolis e Foi descrita pela primeira vez por Vagn Walfrid Ekman. (pt)
  • 埃克曼层(又称摩擦上层,英語:Ekman layer)是流体中压力梯度力、科氏力和湍流阻力三力平衡的一层。由瑞典海洋学家埃克曼提出。 (zh)
  • Die Ekman-Schicht (nach Vagn Walfrid Ekman) ist der Hauptteil einer atmosphärischen Grenzschicht. Sie beginnt an der Obergrenze der nach Ludwig Prandtl benannten Prandtl-Schicht in etwa 100 m Höhe und reicht bis etwa 1000 m Höhe, die Obergrenze der atmosphärischen Grenzschicht. Somit kann sie als oberer Teil der Peplosphäre betrachtet werden. (de)
rdfs:label
  • Ekman-Schicht (de)
  • Ekman layer (en)
  • Strato di Ekman (it)
  • エクマン境界層 (ja)
  • Camada de Ekman (pt)
  • 埃克曼层 (zh)
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