河流改道 的英文怎麼說

中文拼音 [héliúgǎidào]
河流改道 英文
change of river course
  • 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...
  • 流 : 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...
  • 改 : Ⅰ動詞1 （改變） change; transform 2 （修改） revise; alter; modify 3 （改正） rectify; correct 4 ...
  • 道 : Ⅰ名詞（道路） road; way; route; path 2 （水流通過的途徑） channel; course 3 （方向; 方法; 道理） ...
  • 河流 : rivers; stream
  • 改道 : 1. （改變旅行路線） change one's route; rechannel 2. （河流改變經過的路線） （of a river） change its course
  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. Subsequently, a distributary may again change course to debouch its load near the mouth of its older, abandoned channel.

    后來，分流可再次改變河道，把它的負荷沉積在原來廢棄的較老的河口附近。
  3. As a result, vulnerable ecological environment is showed with the ecological bearing capacity in middle reaches of hetian river. in the view of the features of landscape pattern in the middle reaches of hetian river, the landscape protection principles of development, harmonization and reality and ecological landscape construction principle including adapting nature, mutualism, adjusting ecosystem and meliorating function, local regulation and whole " harmonization are put forward

    A ，指出區域內生態環境質量在提高，但依舊無法脫離荒漠生態體系，是一種極其脆弱的生態環境。針對和田河中游地區景觀生態的具體特點，提出了發展、協調、現實的景觀保護原則以及適應自然、共生互利、調整結構，改善功能、局部控制與整體協調的景觀生態建設原則，相應地制定出河流廊道建設、綠色植被建設以及綠洲建設的景觀生態建設途徑
  4. By analyzing on nature, society and economy conditions as well as distribution characteristics of sand source in the lower lhasa river valley, put forward a series of comprehensive renovation scheme to harness sand sources, mainly including dredging channel, planting farmland shelter - forest network, constructing arbor - bush - herb shelter forest and shifting sand stabilization, this scheme will not only control blown - sand threat, and improve local ecological environment ; at the same time, also lay the strong foundation for enlarging lhasa city space and effectively utilizing local resource, embody a sustainable thought on how to make comprehensive renovation in high cold valley region

    摘要在深入分析本區自然社會經濟條件和風沙源分佈特徵基礎上，提出把拉薩河下遊河道疏浚與風沙源治理相結合，以河道疏浚、農田防護林、喬灌草防風護沙林和流沙固定等物理工程、生物和機械措施為主體，進行風沙源綜合整治，一方面可有效控制風沙災害的威脅，改善河谷區生態環境，同時為拉薩市城市空間發展和當地資源的有效利用奠定了基礎，體現了在高寒河谷區進行風沙源綜合整治的可持續性思路。
  5. When catchment area, average channel gradient and catchment shape factor of designed culvert or bridge are known, a user can be convenient to get local parameters c, e and b from standard contour charts and easy to calculate flood flow just by a calculator. design period of flood flow is enormously shortened as well as a high precision. estimated flood flow through culvert or small bridge by new calculation model is generally less than by traditional methods, so that much cost is cut down a s reducing the span of culvert or small bridge

    以75000km ~ 2的川中丘陵地區為試點研究區，繪制了該地區新模型的參數等值線圖，率定了不同設計頻率的改正系數，使設計者只需在地形圖上獲取集水面積，河道平均坡降和流域形狀系數，在參數等值線圖上查得橋涵所在地的相應參數，使用計算器即可迅速計算出設計流量，大大縮短了設計周期，且精度較高，設計的洪水流量一般低於傳統方法，從而可減小橋涵跨徑，節省投資。
  6. A day kayaking that river revealed disappointingly little in the way of potential ivory - bill habitat, so his team decided to shift to the choctawhatchee

    在象牙喙啄木鳥的可能棲息地漂流一天後的結果只有失望.於是他們決定改道查克托哈奇河
  7. Through checking computations, it was shown that the analogue accuracy of the model was quite high, which can provide important basis for scientific decision - making on engineering measures. through analogue calculation and analysis of many regulation schemes, it was shown that combining the diversion weir works with the bed fixing works at the south branch is reasonable and feasible in the implementation of loushuikouzi river regulation works. in addition, it is suggested that the bed fixing works at the south branch should adopt the improved compound section scheme

    經對多個整治方案的模擬計算與分析，表明漏水口子河道整治採用分流魚嘴工程和南汊固床工程相結合的整治工程措施是合理可行的，通過模型計算研究還提出了南汊固床工程採用復式斷面形式的改進方案建議，該方案保證了南汊枯期通航和不斷流，而且對南汊及撫遠鎮的保護具有正面作用。
  8. They diverted the river to supply water to the town

    他們使河流改道以便向城市供水。
  9. In this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes

    本文將水質預測及水污染控制措施有機地結合，選取水環境容量和污染指數作為水污染控制的參數.這樣，一維對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進，因為其採用四點隱格式對水質進行預測，推求可接納污染物的環境容量值及為保證水質而限定的污染物濃度值，從而制定相應的水污染控制措施.為整體考慮各種污染物的情況，建議採用河流的污染指數進而推求綜合污染指數.總之，本研究為水質保護提供了科學的計算方法，該法對水污染控制及污水對河道水質的影響是實用有效的
  10. Abstract : in this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes

    文摘:本文將水質預測及水污染控制措施有機地結合，選取水環境容量和污染指數作為水污染控制的參數.這樣，一維對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進，因為其採用四點隱格式對水質進行預測，推求可接納污染物的環境容量值及為保證水質而限定的污染物濃度值，從而制定相應的水污染控制措施.為整體考慮各種污染物的情況，建議採用河流的污染指數進而推求綜合污染指數.總之，本研究為水質保護提供了科學的計算方法，該法對水污染控制及污水對河道水質的影響是實用有效的
  11. The main problems in waterway regulation on branching rapids of mountain rivers are choosing navigation paths and improving flow condition

    山區河流石質汊流急灘航道整治主要解決選擇通航汊道和改善航道水流條件的問題。
  12. This paper summarize the estuary sediment management methods also, analyze and the following aspects and give evaluations : estuary dredging and lead the flow, lead water to scour the river channel, build the xihekou reservoir, estuary gate deposition management, dike reinforced etc

    本文還對河口泥沙的處理途徑和措施進行了概括總結，對河口疏浚與導流、引海水沖刷河道、建設西河口水利樞紐、攔門沙治理、人工有計劃改道和出漢、加高堤防和加固防護工程和挖河固堤工程等進行了分析評價。
  13. River dynamics and flood events are the key - factors for the conservation and restoration of tugai forests

    洪水和河流改道就是保護胡楊林的核心因素。
  14. The scheme to divert the river has come to a full stop because of lack of money to finish it

    使河流改道的方案已完全停止，因為沒有錢來完成這一方案。
  15. River courses without dynamics replenish the groundwater and thus sustain existing tugai vegetation

    沒有河流改道的河流可保持一定的地下水位，而保持已經存在的胡楊林。
  16. River course stretches with still prevailing river dynamics, i. e. iminq ? k, should become core zones for the conservation of tugai forests

    保持河流改道的河段（如移民且克）應該作為保護胡楊林的核心區。
  17. The freshwater habitats around the rivers and streams have been severely modified by, for instance, the construction of large dams and physical alterations of river flow by straightening and deepening of river courses

    另一方面，河流流域的淡水生境亦屢遭修築大壩河流改道及水流監控等工程改動。現時大部分河水已不適宜飲用，土壤亦受污染。
  18. He actually purchased the farm my father was raised on. there was a large gorge that ran through this farm. the river had changed course and taken all the dirt away and then when it changed course, it created a huge island and there were several acres of soil that could be planted and harvested, but there was this incredible crevasse which kept them from doing that

    伯伯在農場會做的一件事，事實上那農場是他向祖父買下來的，爸爸也在那兒長大祖父決定要把橫跨農場的一條溝填平，河流改道導致巨大河谷峽谷形成，裏面沒有泥土，河水把泥土都帶走了，它改道時形成了一個巨大島嶼，那裡有好幾
  19. The fairview park nullah was graded bad in 2005, mainly because its catchment area has been reduced after water from ngau tam mei began to be diverted into the kam tin river in 2002

    2005年，錦銹花園明渠的水質等級被評為惡劣，主要是因為2002年牛潭尾的河水改道至錦田河引致流量減低。
  20. The branch of the yellow river has been diverted from its cou - rse to a new channel

    黃河的這段支流被改道轉入新的流向
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