flood sediment 中文意思是什麼

flood sediment 解釋
洪水泥沙
  • flood : n 1 洪水,水災。2 溢流,漲水,潮水最高點,泛濫,洶涌。3 〈詩〉河,湖,海。4 充溢,豐富;大量,一...
  • sediment : n. 1. 沉澱(物);沉渣。2. 【地質學;地理學】沉積物。
  1. Towards the research on two flood water of yuhe river in datong city during 2004, by measuring and comparing their discharge, sediment concentration 、 nutrient include organic, phosphorus, potassium, azote, the result shows that the nutrient content of the sediment is greatly larger than that of supernatant fluid

    摘要以2004年大同市御河乾渠兩場洪水為研究對象,對其流量、含沙量、養分(包括有機質,氮,磷,鉀)做了測定和比較,研究結果表明:洪水中下層泥沙中的養分含量遠大於上清液中的養分含量;洪水中整體養分含量隨著含沙量的增大而增大,並且養分含量和含沙量呈近似線性關系。
  2. Channels generally contain coarser sediment than do the adjacent flood plains.

    河床沉積物一般比鄰近的泛濫平原沉積物粗些。
  3. Sediment deposited by flowing water, as in a riverbed, flood plain, or delta

    沖積層河床、洪水淹沒的平原或三角洲中的流水淤積所產生的沉積層
  4. The processes of surface elevation, current velocity in the compound fluid model and suspended sediment concentration in the suspended sediment transport model are verified by observed data of many stations in flood / dry season and in spring / middle / neap tide

    復合流場模型的水位過程、流速過程,以及懸沙模型的含沙量過程則經過了洪、枯季及大、中、小潮的多個站點的實測過程驗證。
  5. Because during the sedimentation of the flood plain - estuary fades, the conditions of sea level rising, tidal regime, sediment supply and accommodation space were suitable for the development of a tidal ridge system, the sand lenses associated with this facies may represent tidal ridge formation in the incised valley

    在河漫灘河口灣相沉積期問,由於海平面上升、潮流體系、沉積物供給和可容空間條件適合一個潮流沙脊體系的發育,其中的砂質透鏡體可能代表了下切河谷內發育的潮流沙脊。
  6. 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。
  7. Based on analysis of hang river ' s actuality in the lower yellow river and researches related with evaluation of dike breach risk, it is put forward that the influencing factors of hang river dike beach risk in the lower yellow river should involve 4 aspects, the locomotion of incoming water and sediment load, the regional crustal stability, the evolvement of river regime and the stability of river dikes. the evaluation indexes system of hang river dike breach risk and uniform synthetic model are established from the 4 aspects. with the support of gis technology, the evaluation indexes system and the model of multi - hierarchical fuzzy synthetic judgment are applied to estimating the dike beach risk of hang river in the lower yellow river under different flood conditions

    在對黃河下游懸河現狀、決溢風險評價有關研究進行分析的基礎上,本文提出黃河下游懸河決溢風險的影響因素應當包含水沙運動、區域地殼穩定性、河勢演變和堤防穩定性4個方面,並從這4個方面建立了黃河下游懸河決溢風險評價的指標體系和統一的綜合評價模型;在gis技術的支持下,運用評價指標體系和多層次模糊綜合評判模型,對不同洪水情景下黃河下游懸河的決溢風險狀況進行了評價。
  8. According to all the sediment peaks of 35 floods observed at each station on the downstream of xiaolangdi, it analyzes the characteristic of delayed sediment peak and establishes a regression equation between sediment peak lag time for each section of xiaolangdi, huayuankou, jiahetan, gaocun, sunkou, aishan and lijin and peak discharge, sediment concentration of the peak, flood propagation velocity and fall velocity of suspended load of the previous station, which can search, make up and extend sediment peak lag time and provide a basis for accurate forecasting on sediment peak travel time of each station on the lower yellow river

    根據小浪底下游各站沙峰均滯後於洪峰的35場洪水,對沙峰滯後於洪峰的特性進行了剖析,建立了小浪底、花園口、夾河灘、高村、孫口、艾山、利津各河段沙峰滯后時間與上站洪峰流量、沙峰含沙量、洪水傳播速度、懸移質泥沙群體沉速之間的回歸方程,可以用來查補延長沙峰滯后時間,為下游各站沙峰傳播時間的準確預報提供依據。
  9. Study on sediment transport in the lower yellow river during flood period

    黃河下游洪水的泥沙輸移特徵
  10. In this paper, some characteristics of flow movement and sediment transport are analyzed by using the flume experiment data. the cross section of compound channel can be divided into four regions : the undisturbed region in main channel, the interactive region between channel and plain, the undisturbed region in flood plain and the boundary region. in the undisturbed regions, the distribution of longitudinal velocity along the depth has the feature of lograithmic. whereas, in the interactive region, the longitudinal velocity does not obey the logarithmic distribution law, but it can expressed as a revised logarithmic function by using a wake function. on the basis of the kinematic equation the velocity distribution of transverse velocity is obtained. in the boundary region, the longitudinal velocity obeys the law of parabolic distribution. furthermore, according to the simplified diffusion equation, the transverse distribution of sediment concentration in the interactive region is deduced. the analysis is in good agreement with the measured data

    本文根據漫灘水流的運動特點,將漫灘水流的復式斷面分為主槽平衡區、灘槽交互區、灘地平衡區及邊壁區等4個區,並給出了各區寬度的經驗公式.根據灘槽交互區垂線流速分佈的變化特點,提出了附加尾流函數的對數流速分佈公式.在簡化水流運動方程和泥沙擴散方程的基礎上,對灘槽交互區內垂線平均流速及含沙量沿橫向分佈進行了理論分析,提出了反映灘槽水流動量交換強度的橫向渦量粘性系數及橫向擴散系數的表達式,得到了漫灘水流垂線平均流速及含沙量沿橫向分佈的解析解,並與實測資料吻合較好
  11. 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。
  12. Design of flood - releasing energy dissipator and sediment - flushing structure for dachaoshan hydropower station

    大朝山水電站泄洪消能及排沙建築物設計
  13. Selection on design scheme of flood - discharging and sediment - flushing tunnel of fenhe reservoir

    汾河水庫泄洪排沙隧洞設計方案優選
  14. The deposition of sediment in channels decreases the channel capacity and the flood-carrying capacity.

    泥沙淤積在河道內,減少了河槽容量和泄洪能力。
  15. Speciality in consultation field : research, design and supervision for sediment engineering in rivers, harbors and waterways, inclusive of river processes, flow and sediment motion, flood control engineering, selection of harbor location, navigation training works, bridge, and water supply projects, etc

    從事河流治理和港口航道方面的泥沙工程科學研究和設計、監理工作,包括河道演變和水流泥沙運動規律、防洪工程、河港選址和航道整治工程、橋梁和取水工程等方面。
  16. 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。
  17. Ii ) runoff erosivity reflects relationship of water erosion forces and sediment yield more directly than rainfall erosivity. it intergrated ability of runoff volume and flood peak on detaching soil and transporting sediment and is more reasonable than single runoff depth or flood peak volume

    ( 2 )以徑流侵蝕力代替降雨侵蝕力來反映水蝕營力與產沙量的關系更加直接,而且綜合了徑流量與洪峰在剝蝕土壤和搬運泥沙能力,比單獨運用徑流深或洪峰流量更加合理。
  18. Based on the relative data of density flow in xiaolangdi reservoir in flood period of 2001, and through analyzing on water - sediment condition of density flow formed and movement element of density current, the common movement law and special phenomenon on forming, operating and discharging sediment of density flow in xiaolangdi reservoir have been clarified in this paper. the relationship of sediment transport of density flow has been explored combining with theory analysis and formula deduction

    本文主要依據2001年洪水期小浪底水庫異重流的有關資料,通過對形成異重流的水沙條件、異重流運動要素的分析,闡明了小浪底異重流的形成、運行和排沙等方面的一般運動規律和特殊現象,結合理論分析和公式推導,探討了異重流輸沙關系。
  19. Bottom hole layout of flood discharing and sediment flushing and application of silicon powder concrete in baishi reservoir

    白石水庫泄洪排沙底孔布置及硅粉混凝土應用
  20. On the basis of investigated data of wangmaogou watershed check dams system, the benefits of flood trapping and sediment blocking, increasing land productivity, eco - environment, society are analyzed

    根據王茂溝流域淤地壩壩系的調查資料,分析了王茂溝流域壩系的蓄洪攔泥、增產、生態、社會效益。
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