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Porcupine Abyssal Plain : ウィキペディア英語版 | Porcupine Abyssal Plain
The Porcupine Abyssal Plain (PAP), located in international waters, is adjacent to the Irish continental margin.〔(【引用サイトリンク】title=ESONET: Porcupine/Celtic )〕 The PAP lies beyond the Porcupine Bank's deepest point and is southwest of it. It has a muddy seabed, with scattered abyssal hills that covers an area approximately half the size of Europe's landmass. Its depth ranges from to . ==Characteristics== The Porcupine Abyssal Plain is a vast, relatively level stretch of seabed with a depth range of . It has a muddy floor in the abyssopelagic zone and scattered rocky abyssal hills that rise into the bathypelagic zone forming seamounts and knolls. The water at this depth is relatively stable and moving slowly towards the south and southeast. There is a downward flow of organic detritus derived from primary production in the upper layers of ocean that settles on the sea floor.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Porcupine Abyssal Plain」の詳細全文を読む
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