汛期流量 的英文怎麼說

中文拼音 [xùnqīliúliáng]
汛期流量 英文
freshet flow
  • 汛 : 名詞（河流定期的漲水） flood; high water
  • 期 : 期名詞[書面語]1. （一周年） a full year; anniversary 2. （一整月） a full month
  • 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...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 汛期 : flood period; flood season; high-water season; high water [flood] season; floodtime
  • 流量 : rate of flow; flow; runoff; discharge; throughput; （flow） rate; quantity （of flow）; flux
  1. On the basis of collecting and arranging a large amount of projects experience, conbined with construction diversion flood passing measures design and hydraulic model test of lihua hydraulic pawer station in 1995 and 1996, the dissertation studies the issues related with characteristics of concrete face rockfill dam including the selection of construction diversion flood passing standard and measures, flood passing during construction period and embankment stage, coffer dam design, construction scheme and general schedule etc. and present preference for project construction

    本文在搜集整理大量工程經驗的基礎上，結合蓮花水電站在1995年及1996年導流渡汛工程措施設計及水工模型試驗，對混凝土面板堆石壩的導流渡汛標準、導流方式及其選擇、施工期渡汛及壩體填築分期、圍堰設計以及施工方案及總進度等與混凝土面板堆石壩特點有關的問題進行研究，為工程建設提供一定的參考。
  2. Firstly, the status of our nation ' s water resources, flood and arid hazards is overviewed to illustrate the necessity for study on dynamic control of flood season limited water level. disadvantages in traditional limitsd water level design, static control of limited water level design, static control of limited water level and fuzzy limited water level curve are pointed out, and mending methods for these are introduced. dynamic control and its key problems are analyzed hi next section. the allowable range of limited water level is determined, so as the allowable extreme risk index. the definition of extreme risk is re - illustrated, risk analysis methods in reservoir operation is discussed either. according to the definition of extreme risk rate, the allowable extreme risk rate of reservoir is systematically demonstrated with variant extreme risk indexes and flood season limited water level

    本文首先闡述了我國水資源狀況和水旱災害、說明水庫汛期限制水位動態控制研究的必要性；介紹了傳統汛限水位設計、汛限水位靜態控制、模糊汛限水位過程線存在的問題及其初步改進方法；分析汛期限制水位動態控制的方法及關鍵問題；進一步闡述了水庫極限風險率的定義；根據極限風險率定義，詳細敘述了不同極限風險指標時、不同汛期限制水位下起調，水庫所能承受的極限風險率計算方法。然後，基於極限風險率計算方法，以白石水庫為背景，研究「考慮壩體自身安全、考慮壩體安全與下游防護對象控制下泄流量的汛限水位動態控制的極限風險率」 。
  3. Paniculate organic carbon ( poc ) content of zhujiang river is lower than that of other rivers in the world. among the three branches, the content in xijiang river is the highest, then the dongjiang river, and then the beijiang river. the runoff of zhujiang river has very great seasonal change

    珠江流量存在很大的季節變化，汛期擁有超過60的年度總徑流量， doc和poc在高流量時驟增， doc含量增加約20 - 90 ，而poc含量最大則可能增加6倍，與山區河流的特徵相似。
  4. The comprehensive control of soil and water loess makes the seasonal distribution of river flow more even by reducing more in flooding season and less in non - flooding season. the paper proposed a method to analyze the impact of the integrated control of soil and water loess on flood flow in a large - scale catchment

    水土流失綜合治理使汛期徑流量減少程度大，非汛期減少程度小，從而使枯季徑流量占年徑流量的比例增加，汛期徑流量的比例降低，徑流量的季節分配趨于均勻。
  5. When the water situation of any river or lake approaches the guaranteed water level or the safety flow capacity, or when the water level of any reservoir approaches the level of design flood, or when a great danger occurs to flood control works, the flood control headquarters under the relevant people ' s government at or above the county level may declare an emergency flood season

    當江河、湖泊的水情接近保證水位或者安全流量，水庫水位接近設計洪水位，或者防洪工程設施發生重大險情時，有關縣級以上人民政府防汛指揮機構可以宣布進入緊急防汛期。
  6. 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河小流量洪水，進行年內調節，盡可能減少小洪水和非汛期小水對渭河下游的淤積。
  7. Following the requirement of the reservoir operation section of north - west electricity management bureau in developing a 10 day runoff forecasting scheme and considering the situation of no suitable forecasting model to serve the purpose, this thesis, from ge shouxi ' s and wmo ' s point, defined a group of standards which are practicability, information ability which means the ability of a model to adopt information contend in observed data, extension capacity and robustness, being used for evaluating performance of a forecast model and with them makes a comparison among systematic models as multi - regression model, generalized tank model, neural network method and system model of genesis ( in short smg ), and one conceptual model, the xinganjiang model

    針對西北電網水調部門提出的開發黃河上游徑流中長期預報軟體的任務，根據wmo和葛守西的總結，本論文利用四個系統模型和一個概念模型對黃河上游的龍、劉兩庫的汛期入庫徑流量進行旬徑流預報嘗試，並對所用的模型進行了泛化性、穩健性、模型結構、對水文信息反映和實用性及作中長期預報時何種系統模型的輸入最好作了比較研究，為龍、劉兩庫的徑流中期預報模型的採用提出了建議。
  8. 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，渭河的水環境發生了巨大變化，表現在年水量及汛期水量銳減；大流量級水流出現次數減少，水量減少幅度大；年輸沙量總體減少，河水含沙量增大，泥沙淤積嚴重；河道向擺動型發展，河道萎縮，河勢惡化；大洪水發生的次數顯著減少，高含沙小洪水明顯增多；同流量洪水位普遍抬高，洪災發生次數增加，洪災加重；水質污染極為嚴重。
  9. The model of studying the reservoir deposition is one - dimension and two - dimension embedded mathematical model, which is a one dimensional model study the whole reservoir and the two dimensional model study some important parts of the reservoir by utilizing the one - dimensional model output data. for pushihe lower reservoir, one - dimensional model studies the whole reservoir, and the two - dimensional model study the part of reservoir of 4. 5km in length near the intake of the pump - turbine, to study the layout of the deposition and the and concentration of the suspended load near the intake

    在一維數學模型計算中考慮了兩種一、二期工程的銜接方案，每種銜接方案又分別計算了五種降低水位運行的方案，即保持全年庫水位不變、保持汛期庫水位不變、和在洪水來臨時把庫水位降到65 、 64 、 63 、 62米等；每種方案又比較了兩種起調流量（ 1000和500m ~ 3 s ） ，總共進行了20個方案的比較計算。
  10. After the implementation of water regulation, the river course in delta reaches the minimum ecological flux, and no flow interruption take place ; the runoff flowing into the sea and the transporting sediment increase ; the areas of fresh water wetland is also increased gradually ; species variety get instauration obviously

    結果表明，黃河水量統一調度后，河口三角洲最小河道生態基流在非汛期基本得到滿足，斷流現象不再發生，徑流入海率和輸沙入海量有所增加，淡水濕地面積逐漸增多，物種多樣性明顯得到改善。
  11. The key area of the first eigenvector of eof for summer precipitation decadal change in china allots in south and north of changjiang river which vary contrary ; the second one ' s allots in middle valley of changjiang river and jianghuai valley ; the third one ' s allots almost in total china. ( 3 ) tropic and north pacific summer ssta ' s decadal change has good correlation with china summer precipitation ' s decadal change

    中國年平均與汛期平均降水eof分析的前三個特徵向量基本一致，第一特徵向量表現為長江南北反向的形態，第二特徵向量表現為中部為正，其餘為負的分佈形態，第三特徵向量表現為長江中游、江淮流域為正，其南北兩側為負的分佈形態。
  12. By analyzing the runoff and sediment characteristics of tao river basin, it can be concluded that the main sediment - yield region is loess area between lijia village and hongqi zone where sediment yield in flood season ( june to september ) is more than 81 percent of the mean averaged over years

    分析了流域水沙特性：洮河流域泥沙的主要產地是李家村-紅旗區間的黃土地區；汛期（ 6 - 9月）輸沙量佔多年平均的81以上。
  13. ( 2 ) the effects of rainfall on the runoff and sediment in the weihe river are studied. it is pointed out that the rainfall is much less than the average. especially during the flood season, which results in the lower runoff yield

    （ 2 ）分析了降雨特點及對渭河流域水量的影響，指出90年代全流域降水量比多年平均值偏少，尤其汛期雨量偏少較多，因而同樣降雨條件下，產流量偏少。
  14. Through the statistics and analysis of runoff and amount of sand lost in the downstream of weihe in recent years, it is discovered that in the downstream of weihe the magnitude sand season was ahead of the main flood season relatively within the year ; variation tendency of annual runoff and amount of sand lost was identical basically, and the quantity of water and sand at huaxian gauging station was tailing - off continuously from the 1960 to 2005 ; there was direct relation between the situation of rushing or silting deposits and rainfall at this section of the river : the river depositing in the year which is rich rainfall, the eroding in the poor rainfall

    摘要本文通過對近6年渭河下游水沙量數據的統計和分析得出，渭河下遊河段年內多沙期較河流主汛期有所提前；年徑流量和年輸沙量的變化趨勢基本一致，而且自60年代至2005年華縣站的水沙量持續呈遞減趨勢；河流的沖淤情況與該河段的降雨量有著直接的關系，當年平均降雨量小的時候河流以淤積為主，當年平均降雨量大的時候河流以沖蝕為主。
  15. The key point is how to regulate and control water resources nowadays, in the real - time operation of reservoirs, the fixed limit water level is used, which results in great waste of water resources, so the study on dynamic control of the limit water level is crucial to enhance the water resources utilization in north china

    汛限水位靜態控製造成洪水資源的大量浪費，對北方流域汛期實施動態控制汛限水位是提高洪水資源利用的關鍵。動態控制汛限水位決策過程中普遍存在大系統、多目標決策、風險決策、群決策等特點，研究這些特點對開展水資源優化配置決策具有十分重要的理論意義與實踐價值。
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