…A long, narrow mound of sand and gravel that juts out from a protruding part of the coast, such as a cape or the mouth of a bay, is called a sand spit, and when a sand spit extends further and touches the opposite shore of a bay or land, it is called a sandbar. Some of the sand and gravel carried by rivers flowing into the sea and produced from sea cliffs are carried along the coastline by longshore currents and coastal currents, and when they reach the mouth of a bay or a coast that is indented on the land side, they accumulate and develop into a long, narrow mound that blocks the mouth of the bay. … *Some of the terminology explanations that mention "spit" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…岬や湾の出口などの海岸の突出部から,細長く突き出るように延びている砂礫(されき)の細長い高まりを砂嘴(さし)spitといい,砂嘴がさらにのびて湾の対岸や陸地に接するようになった地形を砂州という。海に流入する河川が運搬してきた砂礫や海食崖から生産された砂礫の一部は,沿岸流や沿汀流によって海岸線に沿って運搬され,湾口や陸側にへこんだ海岸に達すると湾口をふさぐような形で堆積して細長く発達する。… ※「spit」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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