河口淤積 的英文怎麼說

中文拼音 [hékǒuyūjī]
河口淤積 英文
estuarine deposit
  • 河 : 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...
  • 口 : Ⅰ名詞1 （人或動物進飲食的器官; 嘴） mouth 2 （容器通外面的地方） mouth; rim 3 （出入通過的地方） ...
  • 淤 : 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...
  • 積 : 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...
  • 河口 : [地理學] river mouth; stream outlet; estuary; outfall河口地貌 estuarine geomorphy; 河口港 estuary...
  • 淤積 : silting-up; deposit; sedimentation
  1. 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河三角洲沖淤演變時，從1976年黃河改道清水溝流路入海到2000年，整個黃洞三角洲凈造陸201 . 5km ~ 2 ，淤積有逐漸變慢的趨勢，甚至出現凈蝕退的年份；刁口河嘴大量蝕退，蝕退速率開始快速，后來逐漸變慢；清水溝河嘴大量淤積，淤積速率開始迅速，后來逐漸變慢，甚至出現凈蝕退；清水溝河嘴南側到支脈溝一段岸線與刁口河嘴以西到灣灣溝一段岸線基本穩定。
  2. The river deposited silt at its mouth.

    河口沉積了淤泥。
  3. 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 ）黃河河口口門逕流潮汐區域並非持續保持淤積狀態，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 ）從河口泥沙沉積分配的過程來看：三角洲與濱海區泥沙的沉積變化趨勢是基本一致的，各部位的泥沙沉積比例變化基本呈波動狀態，且三角洲與濱海區泥沙的沉積比例與來沙量密切相關，基本成正比關系； （ 3 ）在口門處，影響泥沙沉淤的因素主要集中在潮汐頂托、口門逐漸加寬、河口門分汊、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河道淤積的影響進行了定量分析: （一扣根據實測資料首次建立了河贖流路泥沙沉積分配的回歸計算式，據此可以預估計算河口不同區域泥沙的沉淤量; 、 5 ）本項研究首次論證了河口三角洲岸線動態平衡的概念，並建立了黃河河口來沙量與造陸面積的相關關系，得出了當河口多年平均來沙量維持在3 . 45億t時其河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河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。
  4. 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

    為了研究蒲石河抽水蓄能電站二期工程泥沙調度方案，對多個方案的水庫淤積損失、過機沙量、取水口附近的泥沙淤積和水流流態，進行了水庫沖淤研究。
  5. Sedimentation and optimal operation of three gorge reservoir in yangtze river

    永定河河口泥沙淤積對官廳水庫供水的影響分析
  6. 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。
  7. 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流路淤積延伸2種情況的計算水位和淤積量的變化得出：單一的河口延伸對下遊河道淤積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。
  8. 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。
  9. An experimental research on notching wet beach of the yellow river with the short - delay blasting is made for eliminating the risk that the main river channel is often threatened by some horizontal and slanting streams occurred on the downstream of the river and solving the problems from the bend cut - off for river channel harnessing, water way dredging and the siltation of the water diversion outlets along the channel

    摘要為了利用爆破解決黃河下遊河道經常出現的橫河和料河威脅河道安全的險情以及河道整治中的裁彎取直、疏浚航道和河道引水口淤積的問題，在黃河濕灘上進行了微差爆破開槽試驗研究。
  10. The outcomes show that not only the channel near the outlet has been extended, but also the created land area increased to varying degrees during the tests of a regulated discharge regime of the river and ; a regulated discharge regime has significant roles on keeping the balance of erosion and deposition of the estuary

    結果表明：調水調沙期間，河口口門附近不管是河道延伸，還是造陸面積都有不同程度的增加；調水調沙對河口的沖淤平衡有重大的作用。
  11. Sparedescription : tendency of deposition in the guanting reservoir and dredging on mouth bar of the guishuihe estuary are analyzed by the data from the model experiments

    描述:在實體模型試驗的基礎上，對官廳水庫的泥沙淤積發展和媯水河口攔門沙的清淤疏浚措施進行了研究。
  12. 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）分流分沙減少，下荊江徑流量和輸沙量相應增加，洞庭湖泥沙淤積減少； 80年代中期以後，長江中游幹流及洞庭湖出口的年輸沙量呈減少趨勢，城陵磯至武漢河段河床由淤積轉為趨向沖淤平衡；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。
  13. 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河道演變、排洪能力變化特點的對比，分析了黃河下游防洪面臨的新形勢:小浪底水庫攔沙初期，下遊河道發生沖刷，但艾山以下窄河段沖淤變化不大，近年來形成的淤積萎縮的狀況難以很快改觀，游蕩性河段調整劇烈，工程出險機遇增大，河道水位流量關系中水流量以下部分同流量水位明顯降低，中水流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。
  14. ( 2 ) correlation analysis of the water and sand sedimentation and the coastline evolution. on the basis of the monitoring data, the relations was analysed by the combination of remote sensing data and coastline data with the ii hydrological data, and then gave out a forecasting of future development of coastline in the river mouth area

    首先對黃河口來水來沙特徵進行分析，然後以動態監測數據為依據，與水文統計資料相結合探討了黃河口來水來沙與海岸線淤積、侵蝕的關系，最後對未來黃河來水來沙條件與海岸線的演變進行了簡要分析。
  15. The river deposited silt at its mouth

    那條河在河口沉積淤泥。
  16. An integrated 1 - d and 2 - d sediment transport model is used herein to study the response of the revolution of yellow river mouth on its trail channel

    摘要利用適合於黃河下遊河道和黃河口水域的一、二維連接泥沙數學模型，計算研究了黃河口演變、入海流路的淤積延伸對下游尾閭河道的反饋影響。
  17. Supported by the state natural science foundation project " formation mechanism and evolution processes of flood channels in the changjiang estuary ", this paper study systematically the formation and evolution, erosion and deposition, and features of dynamic sediment of flood channels in the changjiang estuary, and put forward a development model of the different flood channels

    本文依託國家自然科學基金課題《長江河口漲潮槽形成的機理與演化過程的定量研究》 ，以長江河口的漲潮槽為研究對象，採用沉積和地貌，定性和定量相結合的方法，運用gis技術對河口漲潮槽的形成機理、演化模式、動力沉積特徵以及沖淤變化等問題進行了系統的研究。
  18. But currently a huge amount of sediment deposited there has caused severe problems and need to be dredged. dredging is one of the effective engineering measures to control floods and improve navigation, irrigation conditions and environment

    但是，目前這些河流、湖泊、水庫和港口的泥沙淤積嚴重，需要進行清淤疏浚，以提高防洪、灌溉、通航能力，改善生態環境。
  19. Since 1950s, riverbank collapsed, river course changed, inlets and outlets of the river were silted up and the flood pile up one after another

    五十年代以來，河岸坍塌、航道變遷、引水口及出水口淤積、沿線地區洪澇災害層出不窮。
  20. Or, the project cannot play its due efficiency and even can be discarded in the midway. this will cause the great waste. the water intake of ningxia guhai pumping engineering and the water intake of yuejin channel on yellow river have been moved forward several times because of the silt

    位置選擇適宜，建築規模合理，則可以節省工程投資，達到預期效果；位置選擇不當，則有可能造成該工程不能發揮其應有的功效，甚至會中途廢棄，造成極大的浪費，此現象不乏實例，如寧夏的固海揚水取水口，躍進渠黃河取水口因泥沙淤積就曾幾次前移。
分享友人
分享到 Line

分享到臉書