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estuarine adj.1.江河口的;江河灣的;港灣的。2.(江河口、江...

estuary

The transitional facies can also be divided as estuarine , tidal flat and lagoon ; the depositional envirnononents of clastic rock marine facies include offshore , shallow water continental shelf , deep water continental shelf , slop as well as the deep water basin ; the carbonate facies can also be divided into a carbonate platform and ramp 海陸過渡相又分為河口灣、潮坪、瀉湖;海相碎屑巖沉積環境包括濱海、淺水陸棚、深水陸棚、斜坡以及深水盆地;碳酸鹽巖海相又可分為碳酸鹽臺地、碳酸鹽緩坡。

Abstract : a numerical model for wave propagation in water of varying topography and current is proposed , and time - dependent wave mild - slope equation with a dissipation term and corresponding equivalent governing equations are presented . two different expressions of parabolic approximations for the case of the absence of current are also given and analyzed . examples of numerical simulation for wave transformation in large estuarine water areas are provided 文摘:提出了水深與流場緩變水域波浪傳播數學模型水流中依賴時間變量并考慮能耗的波浪“緩坡方程”及其等價的控制方程組,分析比較了無水流情況此理論模型與其相應的兩種拋物型近似的差別,提供了長江口波浪變形數值模擬計算工程實例.實例表明,該模型能適應河口三角洲大范圍水域波浪傳播數值計算

Poiycyclic aromatic hydrocarbons ( pah ) are priority trace organic pollutants in the clrtap ( convention on long - range transboundary air poliution ) pops ( persistent organic poilutants ) protocol . both laboratory experiments and fie1d surveys unequivocally demonstrated that pah adversely affect estuarine and marine organisms . pah are implicated in the development of iesions and tumors in fish , they produce biochemical disruptions and cell damage that iead to mutations , developmental malformations and cancel although many marine organisms do not exhibit acute responses to pah “ exposure , but suffer sublethal effects 本論文以湄洲灣海域和廈門西海域養殖區為研究區域,采用現代分析技術,從分子水平上系統研究了多環芳烴( pah )在海水、沉積物、養殖魚類中的含量分布:通過現場實驗,實驗室暫養、投毒和恢復實驗系統測定了養殖魚類的肝臟、膽汁、鰓、全血等不同器官、組織的生化指標及養殖魚類肝臟、膽汁的化學指標,探討了這些指標對水環境多環芳烴污染的生物指示作用。

Further research of lithofacies pvove : lode country output points belongs to tidal - flat facies . and the two sides belong to littoral facies - estuarine facies . ore area petrochemistry analyse also prove : intraclast congeries silica rock in basin have higher cu , ag abundance than circumference pena . the prominence inhomogeneity of the cu distribution indicates reconstruct of the late construction 礦區內巖石化學測量也證明:盆地內發育的內碎屑堆積硅質巖比周圍巖石具有更高的cu 、 ag元素地球化學豐度值, cu元素分布的顯著不均一性,表明了后期構造的改造作用。

Multispectral data for bathymetry is often performed in relatively clear shallow waters , up to now , no one use multispectral data for bathymetry in estuary waters of yellow river , where the highest sediment concentration in the world has been observed . in another part of this thesis , multispectral data acquired by landsat - 5 tm and in situ data are used for bathymetry in estuarine waters of yellow river . statistical models based on one band and two bands of tm respectively are developed 利用兩期水深的比對可以揭示黃河水下三角洲的沖淤演變規律,但由于實測水深資料獲取較為困難,因而利用遙感來反演水深是一個重要的選擇,為此,本文在黃河口海現代黃河三角洲沖淤演變規律與遙感應用研究端走取兩個試驗區進行了多光譜遙感水深反演試驗,試驗結果表明,在極高泥沙濃度、較強水動力條件的黃河口海域,用多光譜遙感反演水深是可行的。

The system considers synthetically the influence of estuarine ecosystem on the whole basin and human life from aspects of influence on pacts of the environment , biology and human of ecosystem respectively , and adopts the indices of catchment area , population density , inflow amount , period of river flow cut - off , water quality , biodiversity index number and biomass to evaluate the state of estuarine ecosystem 指標體系綜合考慮河口生態系統對全流域及入類生活的影響,分別從生態系統的環境部分、生物部分以及對人類的影響等3方面,采用集水面積、人口密度、入海量、河口斷流時間、水質、生物多樣性指數和生物量等7項指標對河口生態系統狀況進行評價。

Study of a flood channel or flood - dominated channel of estuary is not only an important content in estuarine dynamic geomorphology and dynamic sediment , but also is a practical problem nearly related to the selection of harbor sites , regulation of sea - entering waterway , bank revetment and land reclamation , and even the comprehensive exploitation of estuaries 河口漲潮槽的研究不僅是河口動力地貌學和河口動力沉積學研究的重要內容和前沿課題,而且對港口選址、通海航道治理、護岸圍墾以及河口綜合開發利用都具有重要的研究和應用價值。

Although application of activity of 210pb in determining age of sediments of estuarine and coastal environment is very difficult , it provides important information about sediment environment and hydrodynamic . supported by gis , quantitative changes of erosion and deposition of the xinqiao channel are calculated . these results combing sediment characteristics of vertical profile illustrate the formation mechanism and evolution process 將~ ( 210 ) pb放射性測年方法應用于河口海岸環境時需慎重,雖然由于活度的變化無法準確確定垂向沉積物的沉積年代,但仍可給我們提供沉積物沉積時環境和水動力變化的信息。

Depending on the above studies , the following conclusions can be obtained : 1 ) chang - 6 oil reservoir set of panguliang is a set of continental clastic sediment composed of lacustrine and deltaic system in which estuarine bar is not well developed 研究結果認為:靖安油田盤古梁油藏長6油層組屬于以水下分流河道為主的具有強烈的進積作用,以水下分流河道為骨架砂體,河口砂壩不很發育的河控型湖泊?三角洲體沉積,主要發育三角洲前緣相。

These studies would enrich the knowledge of the extracellular enzymes , help us to understud the ecological processes of wetland ecosystem and be important practice to direct the conservation and development of the estuarine tidal flat wetlands 上述工作的開展不僅有助于豐富濕地沉積物胞外酶的理論,理解濕地生態系統的生態過程,而且對于河口濕地的保護和利用具有重要的現實意義和應用價值。

2 microzooplankton of jiaozhou bay were composed chiefly of neritic warm - temperate and estuarine low - salinity species . eurythermic and euryhaline species were sparse . cold - water , oceanic hypersaline and tropical warm - water species were not found during the study period 2 、膠州灣小型浮游動物以暖溫帶近岸、河口低鹽種為主,廣溫廣鹽種較少,尚未發現冷水種、外海高鹽種和熱帶暖水種。

Seaward element fluxes change considerably in the estuary , and it is important to understand effects of estuarine processes on the phase transformation of elements in order that the flux of dissolved phase can be properly made 河口中元素向海洋的輸送通量變化很大,為了能正確地評估溶解態元素的輸送通量,弄清楚河口混合過程對元素固-液相態轉化的各種效應是重要的。

By contrast , deep bay to the west has strong estuarine characteristics , meaning the water there is mixed with river flow , is low in salinity , typically shallow averaging 4 to 10 metres in depth , silty and turbid 相反,西部后海灣一帶有明顯的河口特性,海水被河水沖淡,鹽度偏低,水層一般較淺平均水深為4至10米而水質混濁沉積物含量高而透明度低,并帶有大量沙泥。

This paper presents effects of estuarine species on sediment geological properties including morphologic , penetration strength and grain size of sediments in diaokou area around the delta of the yellow river 本文以黃河三角洲釣口區潮灘為研究對象,研究了不同生物密度對沉積物工程地質特征的改造,包括灘面形態、沉積物強度、以及沉積物顆粒大小的改變。

Water wave dynamics and its interactions on hydraulic structures for plannjing , layout and design in the engineering of water resoures , water transportation and power generation in coastal , estuarine of offshore areas 海岸、河口的水利、水運、水電工程中水工規劃、平面布置、結構設計的水動力因素及其與建筑物相互作用。

According to dou guoren ' s similarity theory of total sediment transport modeling for estuarine and coastal regions , a generalized physical model of the north - trough of the yangtze river estuary deep channel is designed 摘要根據竇國仁波浪潮流共同作用下的全沙模型相似理論,設計了長江口深水航道北槽概化物理模型。

Wwf hong kong is very concerned about this proposal since the water in mirs bay and deep bay has very different characteristics , with that in the former being marine and that in the latter being estuarine 由于大鵬灣與后海灣的地理特質截然不同,前者屬海洋,后者為河口,因此世界自然基金會非常關注是項計劃的發展。

Coastal and estuarine engineering , layout and planning of harbours and navigation channels ; river training , siltation prediction and its measures ; mathematical model computation and physical model experiments 海岸河口工程、港口航道總體布局規劃、河道整治、泥沙淤積的預測和對策、數學模型計算和物理模型試驗研究。

The most important impact of the human activities on the estuarine dynamics of the modaomen estuary lies in altering the barotropic force , which decreases generally in recent decades 人類活動對磨刀門河口動力最主要的影響是改變了正壓力項的大小,近幾十年來,磨刀門河口正壓力呈減小的趨勢。