淤沙地 的英文怎麼說
中文拼音 [yūshāde]
淤沙地
英文
sediment basin-
The deposition of bed load sediment was greatly reduced in the sump by adding a flushing gallery
通過在集水池底設置排沙廊道,較好地解決了推移質泥沙淤積問題。In order to reduce the re - deposit volume of the dredged channel, the method must be based on decreasing the oncoming sediment, changing the mouth site, builting the sediment control dam and raising the reservoir level
為了最大限度地減小疏浚挖槽的回淤量,必須依靠控制上游來沙量、調整入水口門位置、加設防淤堤及提高庫水位等手段,而不能通過調整挖泥槽寬度、位置及數量等措施來達到目的。Mud and silt have been continuously deposited in the lake.
泥沙不停地淤積在這湖裡。Sediment deposits in ditches result in the raising of water tables and damage to crops.
泥沙淤積在排水溝引起地下水位上升,並危害作物。The verification results show that the model can simulate well the tidal levels, current velocities, sediment concentration, bed load transport, diversion ratio in the bifurcation section, topographic change of the north and south channels, as well as sudden siltation caused by typhoons
大量實測資料驗證表明,該數學模型可以較好地模擬長江口地區的潮位、流速、流向、含沙量、底沙、分流比、南北槽地形變化和臺風暴潮造成的航道驟淤情況。Because of the unreasonable operation mode, the reservoirs sedimentation is serious, which lead to the problems of inadequate use of water resource, degressive works benefit and high risk in water works operation and flood control in this area
但長期以來,由於運用方式不合理,水庫工程泥沙淤積嚴重,徑流資源得不到充分利用,工程效益逐年衰減,並對工程運行和地區防洪安全形成嚴重威脅。By the analysis and study, it is showed that : 1 ) the lower weihe river main channel was at a balanceable state between aggradation and degradation and floodplain of the lower weihe river is a tiny aggradation state before the construction of the sanmenxia dam ; 2 ) the severe aggradation of the lower weihe river bed is mainly caused by the increasing riverbed elevation at tongguan after the construction of the sanmenxia dam ; 3 ) the main reason leading to the increasing riverbed elevation at tongguan is the unreasonable operation of the sanmenxia reservoir ; 4 ) the rate of the riverbed aggradation at tongguan reach and the lower weihe river reach are speeded by adverse condition of incoming water and sediment recently
然後以實測資料為基礎分析研究了三門峽建庫前後潼關高程的變化規律以及渭河下遊河道的沖淤演變規律,分析研究表明:建庫前渭河下游主槽處于動態沖淤平衡狀態,灘地處于微淤狀態;建庫后,渭河下遊河道發生嚴重淤積主要是由於潼關高程的抬升造成的;潼關高程的抬升主要是由於三門峽水庫的不合理運用造成的,近期不利的水沙條件加劇了潼關河床的抬升速度和渭河下游的淤積。Sediment in the lower yellow river irrigation is mainly treated with warping and improvement of saline - alkali soil, low and waste lands, which plays an important role in improving the ecological environment and developing the agricultural production in the areas by two banks of the lower yellow river
黃河下游引黃灌溉中的泥沙主要採取放淤改土、改造低洼鹽堿沙荒地,對黃河下游兩岸發展工農業生產、改善生態環境,起到了重要作用。Terraces on slope land delete the conditions of causing soil and water loss. ponds, cistens, water cellars enhance surface water use efficiency, warping dams can store flood, decrease flood peak, retain sediment, and conserve water
坡地修梯田消除了產生水土流失的條件,蓄水池、旱井、水窯提高了對地表水資源的利用率,淤地壩具有蓄洪水、削洪峰、攔泥沙、涵養水源的作用。Many geological and hydrological factors of the river section, where the yellow river water intake engineering is laid out, such as the capacity of the reservoirs along the river section upstream and downstream, the rate of the flow discharge, the erosion and silt of the watercourse, the form of the riverbed and the water current, ice tuck, the convergence of the upstream branches of the river section, flood crest, sand crest size, the capacity for flood discharge of the watercourse, the effect of flood control structure around and the impacts on surrounding environment and the third person " s legitimate rights and interests, should be considered
黃河取水工程的布設要考慮工程所處河段的地質水文等諸多因素。如該河段上下游水庫的庫容,泄水流量、河道沖刷、淤積、河床形態、水流形態、冰塞、河段上游的支流匯入、洪峰、沙峰的大小、河道行洪能力的大小、周圍防洪工程的影響及對周圍環境和第三人合法權益的影響等等。In addition, the microcosmic stream, especially suspended load ( mainly suspended soils and sands ) reflected on the characteristic of transported sands " streams, and always silt up and form shoal in the place where the stream velocity is lower and river steam return easy
河道的微觀水流,特別是懸浮物(主要是懸浮泥沙)反映輸沙水流淤積特性,總是在流速緩慢、易迴流的地方淤積、形成新生沙洲,為正在發生及將來發生的河道淤積和演變打下基礎。Due to issues of dongting lake districts flood composition, the evolution of sediment flow, the river and lake ( r & l ) distribution characteristic as well as the layout of r & l - dredging engineering, the article simulated the model of the dongting lake terrain change by using the gis technology and adopted the limited volumetric method to establish the two - dimensional hydraulics computation model of lake in order to forecast the water level, the flow capacity, the speed of flow and changes of flow field after implemented the project, which have provided the reliable theoretic basis for the decision - making and implementation of renovation for river course, canal and harbor and river course - dredging engineering
摘要針對洞庭湖區的洪水組成、水流泥沙演變、河道湖泊水系分佈特點以及河道湖泊疏浚工程布局情況,利用gis技術模擬洞庭湖地形變化,採用有限體積法建立了湖泊二維水力學計算模型預測疏浚工程實施后的水位、流量、流速流場變化,為河道、航道港口整治、河道疏浚清淤等工程決策與實施提供了可靠理論依據。Distribution law of deposits dry bulk density and its application in sediment restoration of check - dam
壩地淤積物干容重分佈規律及其在層泥沙還原中的應用Based on the topographic features and data of sediment particle size of bed load at the fluctuating backwater reach of liujiaxia reservoir, the streamwise variation and variation process of median diameter of bed load during silting and scouring periods of the fluctuating backwater reach are analyzed, and it can be seen that the turning point for the sediment diameter variation from coarse to fine is located at the outlet of shigou gorge of the fluctuating backwater reach
摘要根據劉家峽水庫變動回水區的河段地形特徵和歷年河床質泥沙粒徑級配資料,分析了變動回水區河段淤積和沖刷時,河床質泥沙中值粒徑的沿程變化和歷年河床質泥沙中值粒徑變化過程,並指出粒徑分佈由粗變細的轉折點在變動回水區寺溝峽峽口處。The result showed that the numerical model could satisfactorily reflect the sediment concentration field, and calculate the back silting intensity on the approach channel in lianyungang harbor
研究結果表明,所介紹的研究方法可以合理地描述含沙量場特性以及計算進港航道回淤量。On the basis of sediment concentration field, the annual back silting intensity on the approach channel of 70000 dwt at lianyungang harbor was also simulated, and the calculated results was coincident with actual data
鑒于進港航道回淤量是當地海域潮流、波浪、泥沙長期共同作用的結果,建議採用年平均含沙量場進行回淤計算,並在此基礎上模擬了連雲港7萬噸級進港航道的年回淤強度,計算結果與實測資料吻合較好。Qualitative analysis on the effect of flood control and engineering safety -, seizing lots of water conservancy effective adjust storage. then making water level risen and reservoir backwater enlarged in the same flow level ? effect on beach and the buildings across river, soil salinization caused by flow from a lower to a higher place and unsmooth groundwater drainage destroy of travel resource caused by disorder enclose tideland for cultivation in reservoir silt up flood plain are given, then presents enclose tideland for cultivation dyke is important cause which water level rise in reservoir
本文從青銅峽水庫泥沙淤積入手,分析水庫泥沙淤積特性和庫區圍墾堤開發利用淤積灘地的現狀,對防洪安全及工程安全的影響、侵佔大量的有效調蓄庫容、造成同級流量下水庫水位抬升水庫回水上延、對沿岸及過河建築構成影響、因水位抬升致使庫區周邊灌區地下水排水不暢乃至倒灌而造成土地鹽堿化、對水庫庫區大量淤積灘地無序圍墾造成旅遊資源破壞等五方面影響的定性分析,提出庫區圍墾堤是水庫水位抬升的重要原因。Yellow river region, because forest vegetation is destroyed by men, it causes serious soil erosion, land desertification, finally result in blocking in river course and floods, even may become a barren land
都是因為森林植被受到人為的破壞,造成嚴重的水土流失土地沙漠化,最終導致河道淤塞河水泛濫,甚至成為不毛之地的。土地是人類生存的基地,土地沙漠化,是當今世界嚴重的環境問題。In order to relatively hold up mud and sand on the spot and control deposition, we should control head channels, branch channels, main channels on slope surface comprehensively
通過採用溝頭、支毛溝、干溝及坡面的綜合治理,實現相對就地攔截泥沙,從而達到控制庫壩淤積的目的。Mud foundation treatment of shajing river embankment in baoan district of shenzhen city
深圳市寶安區沙井河堤防淤泥地基處理分享友人