地质时期的岩岸研究与实例
戎嘉余
摘要(Abstract):
<正> 今日之地球,拥有长约100万km的海岸线。若从岸质硬度考虑,海岸可分成硬岸与软岸两大类。岩岸,又称岩质海岸或基岩海岸 Rocky shore(孙湘平1985),在辽东半岛南端、山海关至葫芦岛一带、山东半岛以及杭州湾以南的浙、闽、台和两广沿海广泛分布,常与陆上山脉或丘陵毗连,属于硬岸类。它由各种岩石所组成,与冰川、现代珊瑚礁等其它类型的硬岸易于区分,更与淤泥、沙滩等多种类型的软岸明显不同。岩岸是海岸的主要组成部分,全世界的岩岸长度超过海岸线总长的1/3(Johnson 1988)。
关键词(KeyWords):
基金项目(Foundation):
作者(Author): 戎嘉余
DOI: 10.19839/j.cnki.dcxzz.1989.04.002
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