極地高壓

極地高壓指的是活躍於兩極高氣壓。由於兩極的氣溫相當低,使得空氣下沉,形成高氣壓。此高壓帶下的地表溫度為全球最低,全年每月均溫都在冰點以下,降水也不多,形成寒漠

此高壓帶流向副極地低壓的氣流會在北極形成極地東風帶

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