淤積河流 的英文怎麼說

中文拼音 [liú]
淤積河流 英文
aggrading river
  • : Ⅰ動詞1 (淤積) become silted up 2 (血液不流通) (of blood) stagnateⅡ名詞(淤積的泥沙) silt Ⅲ...
  • : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
  • : 1 (天然的和人工的大水道) river 2 (指銀河系) the milky way system; the galaxy 3 (特指黃河) t...
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • 淤積 : silting-up; deposit; sedimentation
  • 河流 : rivers; stream
  1. Aggrading streams heavily charged with bed load may fill their channels nearly to the top of the banks.

    帶有大量推移質的堆可以把高到幾乎與岸頂齊平。
  2. Based on 2m contour of surveyed bathymetry from 1976 to 1999 and mean - high - tidal line distracted from remote sensing images acquired by landsat - 5 tm from 1976 to 2000 respectively, quantitative analysis about alluvion and erosion as well as the relationship between accretion of modern yellow river delta and the water and sediment discharge of yellow river is made, and the results indicate the mean - high - tidal level is more effective than 2m contour of the bathymetry. it is found that the accretion of modem yellow river delta is becoming less and less, what ' s more, erosion is even more than alluvion in some recent years. diaokou promontory has been eroded seriously since yellow river changed its course in1976

    以一般高潮線反映現代黃三角洲沖演變時,從1976年黃改道清水溝路入海到2000年,整個黃洞三角洲凈造陸201 . 5km ~ 2 ,有逐漸變慢的趨勢,甚至出現凈蝕退的年份;刁口嘴大量蝕退,蝕退速率開始快速,后來逐漸變慢;清水溝嘴大量速率開始迅速,后來逐漸變慢,甚至出現凈蝕退;清水溝嘴南側到支脈溝一段岸線與刁口嘴以西到灣灣溝一段岸線基本穩定。
  3. Sediment deposited by flowing water, as in a riverbed, flood plain, or delta

    床、洪水淹沒的平原或三角洲中的所產生的沉
  4. Study achievement appears as following aspects : ( 1 ) yellow river estuary gate river flow and tide flow mixed area is not keep standing deposition status, on special income water and sediment conditions, boundary conditions and oceanic power conditions, this area may on the scour status ; ( 2 ) observed from estuary sediment deposition distributing process : delta and sea offing area sediment deposition vary trend is similar, each part sediment deposition scale varies as wave shape ; ( 3 ) on estuary gate, affect the sediment deposition factors, primary factors are tide prop, the gate widens gradually, estuary gate have branches, brine induced flocculation. this paper study the estuary gate widen, estuary gate have branches to affect the river channel deposition in quantity ; ( 4 ) based on field measured data, for the first time, deduce the estuary sediment deposition and distributing regress formula which can estimate estuary different areas sediment deposition volume ; ( 5 ) this subject demonstrate the estuary delta coastline dynamic balance conception, build the relationship between the estuary income sediment with deposition land area, draw the following important conclusion : when estuary years - averaged income sediment keeps at 345 million tons, the delta coastline may on the dynamic balance status. ( 6 ) this subject firstly brings up estuary sediment optimized control conception, and has the primary study on the macroscopically optimized control conception method

    研究認為: ( 1 )黃口口門逕潮汐區域並非持續保持狀態,在特定的來水來沙、邊界條件和海洋動力條件下,該區域可以處于沖刷狀態; ( 2 )從口泥沙沉分配的過程來看:三角洲與濱海區泥沙的沉變化趨勢是基本一致的,各部位的泥沙沉比例變化基本呈波動狀態,且三角洲與濱海區泥沙的沉比例與來沙量密切相關,基本成正比關系; ( 3 )在口門處,影響泥沙沉的因素主要集中在潮汐頂托、口門逐漸加寬、口門分汊、鹽水造成絮凝等,本報告主要對口門加寬,口門西妥理工大學工程碩士專業學位論文分漢對的影響進行了定量分析: (一扣根據實測資料首次建立了路泥沙沉分配的回歸計算式,據此可以預估計算口不同區域泥沙的沉量; 、 5 )本項研究首次論證了口三角洲岸線動態平衡的概念,並建立了黃口來沙量與造陸面的相關關系,得出了當口多年平均來沙量維持在3 . 45億t時其口三角洲岸線則可能處于動態平衡狀態的重要結論; 『 6 )本項研究首次提出了口泥沙優化調控的概念,並對其宏觀優化調控模式進行了初步探討。
  5. For studying the regulation rules of the sediment of the second phase project, and studying the reservoir capacity loss caused by deposition, the amount of sediment passing through the turbines, and the deposition and flow regime near the intake of the pump - turbines, the deposition of the reservoir was studied

    為了研究蒲石抽水蓄能電站二期工程泥沙調度方案,對多個方案的水庫損失、過機沙量、取水口附近的泥沙和水態,進行了水庫沖研究。
  6. 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

    取水工程的布設要考慮工程所處段的地質水文等諸多因素。如該段上下游水庫的庫容,泄水量、道沖刷、床形態、水形態、冰塞、段上游的支匯入、洪峰、沙峰的大小、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。
  7. Influences of the shrink of dividing channels and the dongting lake on the flood in the yangzte river

    與洞庭湖萎縮對長江洪災的影響
  8. The test results show that the water - sediment regulation can reduce aggradations of the channel, increase its flowing capacity and improve the sediment delivery conditions of the channel in the lower river

    分析結果表明,調水調沙不僅能夠減少,而且能夠有效增大主槽的過能力,改善下遊道排沙條件。
  9. 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

    道的微觀水,特別是懸浮物(主要是懸浮泥沙)反映輸沙水特性,總是在速緩慢、易迴的地方、形成新生沙洲,為正在發生及將來發生的和演變打下基礎。
  10. By computing the water level and sedimentation processes with and without considering the extension of flow path, the results show that the effect of the river mouth path extension on the sedimentation of the trail channel is a longer period of evolution for several years or even over 10 years, and furthermore, the effect becomes weaker and weaker gradually from downstream to upstream in general

    通過比較考慮和不考慮入海延伸2種情況的計算水位和量的變化得出:單一的口延伸對下遊的影響過程是一個相對較長的過程,需要幾年、甚至十幾年的發展,影響程度自下游到上游逐漸減弱。
  11. First, erosion resulting from exce ive deforestation in the u er reaches of the river and, second, heavy silting which raised the riverbed in the main cha el

    第一,過度砍伐引起的上游的侵蝕,第二,嚴重的泥沙抬高了主幹道的床。
  12. First, erosion resulting from excessive deforestation in the upper reaches of the river and, second, heavy silting which raised the riverbed in the main channel

    第一,過度砍伐引起的上游的侵蝕,第二,嚴重的泥沙抬高了主幹道的床。
  13. The analyzed results are as follows : the late 1960 ' s cutoff of riverbends increased both the runoff amount and the sediment transport amount of the lower reach of jingjiang river, while the sediment deposition decreased in the lkngting lake area ; after the mid 1980 ' s, both the middle reach of yangtze river main stem and the dongting lake occurred a trend of decreasing annual sediment transport as a result of decreasing sediment releasing from the upper reach of yangtze river ; and in the recent 3 years ( 2003 - 2006 ), the three gorges reservoir first impoundment additionally reduced the sediment concentration in the middle reach of yangtze river flow with a long time, so a distance would be quite long for suspended sediment recovery, but the distance for bed - material load of suspended sediment recovery would be quite short

    分析結果表明: 20世紀60年代下荊江裁彎后,三口(松滋口、太平口、藕池口)分分沙減少,下荊江徑量和輸沙量相應增加,洞庭湖泥沙減少; 80年代中期以後,長江中游幹及洞庭湖出口的年輸沙量呈減少趨勢,城陵磯至武漢床由轉為趨向沖平衡;三峽工程初期蓄水運用后,長江中游含沙量沿程恢復距離較長,但床沙質部分恢復距離相對較短。
  14. Based on the analysis of satellite images of various periods, landform data and river channel transverse section evolution in the lower yellow river, the characteristics of the river channel boundary condition changes at different location are clarified as middle flood channel flood transport width and area are evidently decreased especially for the main channel with comparison to 1950s, beach area that is unimpeded before become blocked because of road, irrigation channel constructed on it, and consequently intensify high edge of beach and lowering dyke and river

    在現場查勘的基礎上,通過對丹江口水庫和小浪底水庫攔沙初期下遊道演變、排洪能力變化特點的對比,分析了黃下游防洪面臨的新形勢:小浪底水庫攔沙初期,下遊道發生沖刷,但艾山以下窄段沖變化不大,近年來形成的萎縮的狀況難以很快改觀,游蕩性段調整劇烈,工程出險機遇增大,道水位量關系中水量以下部分同量水位明顯降低,中水量以上部分水位降低幅度可能會明顯偏小,防洪形勢仍不容樂觀。
  15. B ) utilizing dong zhuang reservoir to adjust during on year. thus can decrease the sediment deposit of lower wei - river as result small flood and non - flood season

    利用東莊水庫調節涇量洪水,進行年內調節,盡可能減少小洪水和非汛期小水對渭下游的
  16. 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入手,分析水庫泥沙特性和庫區圍墾堤開發利用灘地的現狀,對防洪安全及工程安全的影響、侵佔大量的有效調蓄庫容、造成同級量下水庫水位抬升水庫回水上延、對沿岸及過建築構成影響、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。
  17. The results indicated that with the change of water and sand condition and the altitude of tongguan and the development of the industry and agriculture in recent decades, the water environment of wei river had changed largely, which were shown as follow : annual runoff and seasonal flood decreased sharply ; water stream of large discharge decreased and the range of runoff decreased greatly ; sediment load per year decreased generally, sediment concentration of water increased, and the sand silting up was serious ; water channel swung and shrank, and water regime deteriorated ; frequencies of big floods decreased obviously, and hyper concentrated flood increased obviously ; water levels of the same runoff rose universally, and the frequencies of the floods increased and aggravated ; water pollution was very serious

    結果表明,近期隨著水沙條件、潼關高程等的變化及工農業的發展,渭的水環境發生了巨大變化,表現在年水量及汛期水量銳減;大量級水出現次數減少,水量減少幅度大;年輸沙量總體減少,水含沙量增大,泥沙嚴重;道向擺動型發展,道萎縮,勢惡化;大洪水發生的次數顯著減少,高含沙小洪水明顯增多;同量洪水位普遍抬高,洪災發生次數增加,洪災加重;水質污染極為嚴重。
  18. The discharging sediment with density current is an only measure to reduce reservoir region " s deposition in the reservoir with storage operation on the overloaded river and an important mode to discharge sediment for deposition reduction as well

    異重排沙是多沙上的水庫蓄水運用時唯一能夠減少庫區的措施,也是水庫排沙減的一種重要方式。
  19. It shows that the water level in the definite reach is lower than that with same discharges before dredging river, the surface slope on upper reaches dredged is enlarged and deposition load on bed is reduced or eroded

    主要表現在可以引起一定范圍段內的水位較挖前同量下有所降低,開挖上遊段水面比降增大,床面量有所減少或發生沖刷。
  20. According to the cutout charactoristic data of the lower reaches of the yellow river, and using mathematical statistcs methods, the paper analyses the correlative relations among the cutout days, cutout length and the amounts of the silt accumulation in the lower reaches of the yellow river

    根據黃下游1972 1997年斷特徵觀測數據,應用數理統計的方法,分析了黃下游斷長、斷歷時和泥沙量之間的相關關系
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