tidal waterway 中文意思是什麼
tidal waterway
解釋
潮汐河水道-
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:以涌潮聞名的錢塘江河口，動力強勁，破壞力極大.回顧錢塘江河口歷代治理情況，重點記述1949年以來治理工作的進展，論述60年代提出的錢塘江河口治理規劃的指導思想，即縮窄江道，減少進潮量，增大山潮水比值的整治原則.總結整治規劃實施過程中治江圍塗經驗，特別是「以圍代壩」和丁壩壩頭保護等工程措施.分析錢塘江河口大規模治江圍塗后對錢塘江河口潮汐、洪水位、河床以及杭州灣北岸深槽的影響 -
In this paper, the numerical harbor should include following contents : 1. database of wave field, tidal current field, sediment field in researched area ; 2. database of ship styles. 3. numerical model used to analysis data. 4. plans of outer dike, utilities of sea line, and selections of waterway, which based on the above databases
本文認為，對于港區而言，數值化的內容應包括以下幾個方面: （ l ）所研究港區的波浪場、潮流場及泥沙場等自然條件數據庫的建立; （ 2 ）船型數據庫的建立; （ 3 ）數值分析模式的建立; （ 4 ）提出建立在自然條件基礎之上的外堤布置、碼頭岸線利用策略及航道的擬定方案（即優化模式的建立） ; （ 5 ）按照經濟最優原理快速準確地提出碼頭裝卸的策略及當前方案。 -
The outline tests on the alignment of spur dikes in the flume with repeated tidal flow were carried out based on the alignment of the regulation structures in the north trough of the deep waterway in the yangtze estuary
摘要結合長江口深水航道治理二期工程北槽中整治建築物的布置形式，在潮汐往復流水槽中進行了丁壩群不同布置形式的概化試驗。 -
Siltation in waterway under tidal gates along dongtai coast
以東臺岸段為例
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