tidal adj. 1.潮汐的;潮水(似)的。 2.由于潮水作用的,定时涨落的;开船时间视潮汐而变动的(客船班次)。 His speech caused a tidal wave of indignation throughout the country. 他的演说在全国掀起了怒潮。
prism n. 1.【数学】棱柱(体),角柱(体);【物理学】(结晶)柱。 2.棱镜;棱晶。 3.【物理学】分光光谱;〔pl.〕光谱的七色;折光物体。 an oblique [a regular, a right, a triangular] prism 斜[正、直、三角]棱柱。 cross prisms 正角棱镜。 prism glasses 棱镜双目望远镜。 a reversing prism 反像棱镜。 a prism of first [second] order 【物理学】(结晶)第一[第二]柱。
Tidal prism of sansha bay and its water exchange with the open sea 三沙湾纳潮量及湾内外的水交换
Abstract : the qiantang estuary with violent hydrodynamic conditions is well known for its tidal bore . the regulation of the estuary in the past , especially the progress since the founding of new china are reviewed . the principles of the regulation and planning of the qiantang estuary formulated in 1960s are expounded , i . e . , to narrow the river to reduce the tidal prism , and to increase the ratio of the river flow to tidal discharge . the experience of estuary regulation / reclamation is summarized , especially the engineering measures to protect the groin head and to use polder dykes as sea defense works . finally , the effect is analyzed of the large - scale constraction / reclamation in the estuary on the tides , flooding high water level , estuary bed and the northern deep waterway in the hangzhou bay 文摘:以涌潮闻名的钱塘江河口,动力强劲,破坏力极大.回顾钱塘江河口历代治理情况,重点记述1949年以来治理工作的进展,论述60年代提出的钱塘江河口治理规划的指导思想,即缩窄江道,减少进潮量,增大山潮水比值的整治原则.总结整治规划实施过程中治江围涂经验,特别是“以围代坝”和丁坝坝头保护等工程措施.分析钱塘江河口大规模治江围涂后对钱塘江河口潮汐、洪水位、河床以及杭州湾北岸深槽的影响
百科解释
A tidal prism is the volume of water in an estuary or inlet between mean high tide and mean low tide.Luketina, D.