tidal currents 中文意思是什麼
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Based on the study of sediment transport under the actions of tidal currents and wind waves, a mathematical model of suspended load and bed load for yangtze estuary is developed
摘要通過對長江口徑流、潮流和波浪共同作用下的泥沙運動規律的研究，開發並建立了長江口全沙（懸沙和底沙）數學模型。 -
A similar deposit at the mouth of a tidal inlet, caused by tidal currents
三角洲海灣入口處三角形沉澱區域，由潮汐形成 -
Maximum tidal currents generally range from 0. 5 to 1. 5 knots, peaking at 5 knots in narrow channels
潮水的最高時速一般介乎0 . 5里至1 -
Model results showed that tidal currents over the shelf from the continental edge to the entrance of the yellow sea rotated in a clockwise direction, while the currents in the yellow sea were rectilinear following and their direction of propagation along the coast
論文系統分析了東中國海四大分潮的潮汐和潮流特徵，潮流模擬結果表明，東海陸架邊緣到黃海，潮流基本呈順時針方向旋轉。而在黃海，其潮流基本呈往復流特徵。 -
It has been proven that the differences of magnitude and distribution of tidal currents, wave energy rate, suspended sediment concentration and the stokes number result in a asymmetrical distribution of sandbanks between the north and south. the sandbank surface area and length in the north are lager than those in the south, but its cross section area is less than that in the north
各種動力特徵平面分佈規律研究表明，輻射沙脊群南北沙脊不對稱分佈的格局是潮流沙脊對潮流往復流性質的強弱分佈、潮波能流率大小分佈、含沙量的平面分佈規律及斯托克斯數的大小分佈的動力響應。 -
On base of the data analysis, three - dimensional tide - induced residual currents, the wind - driven and thermohaline currents in the bohai sea are diagnostically computed with an orthogonal curvilinear grid system, by means of a three - dimensional ecomsed model. the winter and summer thermohaline structure and circulation characteristics in bohai sea are analysed, and the circulation variance is discussed preliminarily. the tides and tidal currents in bohai sea are well reproduced
在資料分析的基礎上，應用三維斜壓ecomsed模式對渤海的潮致余流、風生環流和密度環流進行了診斷計算，分析了渤海冬夏季的溫鹽場結構和對應環流的特徵，並對渤海上述幾個不同時期的環流變異進行了初步的分析和探討。 -
Further research suggests that waves stir sediments and tidal currents transport the sediments, and waves and tidal current are combined into the dominant dynamic mechanism of coastal erosion, of which tidal residual current takes and transports sediment outward, thus it causes sediment to wane in the coast
進一步結合波、流動力的對應分析認為，波浪以掀沙為主，潮流以輸沙為主，波浪和潮流的聯合作用是飛雁灘海岸侵蝕的主要動力機制，其中潮流主要通過餘流攜沙外輸，造成近岸泥沙虧損。 -
Based on the materials observed many years at the tidal observatories and the ocean current data measured in the coastal zone and islands in zhejiang province, the characteristics of tides, tidal currents and residual currents are analyzed and processed by harmonic analysis and statistical methods systematically. such research results are compared with those from the numerical simulation to validate the effectiveness of the latter
本文以多年來沿岸各潮位站觀測資料以及海岸帶和海島調查的實測海流資料為依據，用調和分析和統計的方法對浙江近海的實測潮汐、潮流和余流特徵進行了系統全面的整理和研究，這些實測數據將作為檢驗數值模擬是否成功的依據。 -
After validating the good agreement between simulated results and observed ones, the characteristics and the distribution rules of tides and tidal currents in the whole seas near to zhejiang are thoroughly analyzed, mainly based on the simulated results, combining with the observed conclusion. the co - tidal and co - range charts, co - current charts, types of tides and tidal currents, distribution of maximum possible tidal range and maximum possible tidal current, phenomenon of diurnal inequality, moving modes of tidal currents, tidal ellipses, distribution of tidal residual currents and the vertical structure of tidal currents and residual currents are investigated respectively. and thereout we draw a series of meaningful conclusions as follows, the main of these are : 1
在驗證模擬與實測符合良好的基礎上，本文以模擬計算結果為主，結合實測資料的分析結論，對整個浙江近海的潮汐、潮流特徵和分佈規律作了全面、深入的探討，分別對各主要分潮的潮汐同潮圖、潮流同潮圖、潮汐性質、潮流性質、最大可能潮差分佈、潮汐日不等現象、最大可能流速分佈、潮流的運動形式、潮流橢圓、余流分佈以及潮流和余流的垂向結構等進行了研究，並由此得到了一系列有意義的結論。 -
Maximum tidal currents generally range from 0. 5 to 1. 5 knots, peaking at up to five knots in narrow channels
5至1 . 5海里之間，在狹窄的海峽，流速可高達五海里。 -
Fang, g., w. zheng, z. chen and j. wang, 1986. analysis and prediction of tides and tidal currents. china ocean press, beijing, 474pp
方國洪、鄭文振、陳宗鏞、王驥， 1986 .潮汐和潮流的分析和預報.海洋出版社.共474頁 -
According to the theories of the energy dissipation of wave - water and sediment movement and based on the bottom sediment load formula developed by dou guoren, a formula to calculate the transport of the bottom sediment, which includes the bed load and part of suspended load, under the joint action of waves, tidal currents and wind - currents is derived
摘要根據波動水流能量及泥沙運動原理，參考了竇國仁推導底沙輸沙量的方法，推導出波浪、潮流和風吹流共同作用下的底沙輸沙量（包括推移質和部分懸移質輸沙）計算式。 -
A three - dimensional model, imbedded a closure turbulence sub - model, was built and applied to simulate the barotropic tides and tidal currents in the ecs
該模式可大大提高時間步長，與目前廣泛使用的pom模式相比，效率可提高數十倍。 -
When oil spills occur in hong kong, special 12 - hour forecasts of wind, weather, state of sea, wave height, sea surface temperature, storm surge and abnormal tidal currents will be issued and despatched to the marine department when required
如果香港海面出現泄漏燃油事件，天文臺會應海事處要求為該處發出關于風天氣情況海面狀況海浪高度海面溫度風暴潮及異常潮流的12小時預報。 -
In this thesis, the tides and tidal currents in the seas adjacent to zhejiang province are simulated with a three - dimensional baroclinic primitive equation model - hamburg shelf ocean model ( hamsom ). two numerical techniques - nested grid and moving boundary method are used successfully and high precision results which compared with the observed ones are obtained. these results reveal the characteristics and the moving rules of the tides and tidal currents in this area
本文採用三維陸架海模式（ hamsom ）對整個浙江近海的潮汐和潮流進行了三維數值模擬，成功地應用網格嵌套和動邊界技術獲得了和實測資料相吻合的較高精度的結果，揭示了浙江近海潮汐、潮流的主要特徵和運動規律。 -
From just the entrance, in the southern part of the bay, up to a second slack water area, about midway up the bay, tidal currents are ebbing
在海灣的南部，從緊靠入口處內側直到第二平潮區，其間距離大約是到海灣的一半，潮流正在回落。 -
Ship may have to wait for days before finding a time when incoming waves and tidal currents are right, permitting them to enter the harbor with safety
船隻必須等待多日才能等到合適的波和潮流，從而使得它們能安全地進港。 -
The main characteristics of the tides and tidal currents and tide - induced residual currents in bohai sea are presented. the model results show that the density - reduced currents are comparatively robust and make an important contribution to the general circulation in bohai sea in summer. but in winter, the effect of the wind stress on the bohai sea general circulation is dominant
文章較好的模擬了渤海的潮汐和潮流，給出了潮汐、潮流和潮致余流的一些主要特徵；模擬結果顯示，在夏季，渤海的密度環流相對較強，對渤海環流有重要貢獻；在冬季，渤海環流應是風應力的作用佔主導地位。 -
At present, many fields remain to further research, especially the profound combination of gis technique with ece ( estuarine and coastal engineering ), which should be developed for the purposes as follows : ( 1 ) to serve the huge comprehensive work in changeable natural conditions and difficult construction conditions which takes a long period and covers a large region, e. g. the regulation work of deepwater channel in the yre ( yangtze river estuary ) ( 2 ) to combine the gis with applied numerical model ( 3 ) to study the hydrodynamic processes and characteristics of waves, tidal currents and sediment transport, as well as the affection carried by the regulation work in an estuary ( 4 ) to monitor and to analyze ees ( evolution of erosion and sedimentation ) and the variation of riverbed ( 5 ) to play a role of dynamic supervising of a engineering project
目前尚有許多有待進一步研究的領域，尤其是以服務于長江口深水航道治理這樣規模大、周期長、影響區域廣、自然條件復雜、施工情況多變的國家重點工程為目的，將gis與專業應用數學模型結合，對河口海岸波浪、潮流、泥沙運動的動力機制，以及整治工程建築物對其影響的研究，對入海航道沖淤和河勢演變的監測分析，對施工進展和工程效果實現「動態」監控和管理，尚缺乏同gis技術的深入有效結合。 -
Based on the local scouring test of the dike ' s head under the action of clear tidal currents, of both tidal currents and waves, and of both muddy tidal currents and waves, variations of the scoured pit ' s depth at each dike ' s head with time, and the scoured pit ' s depths with three experimental conditions are compared
進行了清水潮流和潮流波浪、渾水潮流波浪作用下的4條丁壩壩頭沖刷試驗，給出了各丁壩壩頭沖刷坑深度隨時間的變化，對比了3種試驗條件下丁壩壩頭沖刷坑的深度。
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