河川徑流 的英文怎麼說

中文拼音 [héchuānjìngliú]
河川徑流 英文
river flow
  • 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...
  • 川 : 名詞1 （河流） river; stream 2 （平地; 平野） plain: 800里平川 a vast eight hundred li plain; 米...
  • 徑 : Ⅰ名詞1 （狹窄的道路; 小路） footpath; path; track 2 （達到目的的方法） way; means 3 （直徑的簡稱...
  • 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...
  • 河川 : stream; river河川防洪 river flood control
  1. The decline of river runoff indicates the obvious trend of environmental aridity in the region

    流域河川徑流來源於降水，全球變化是河流徑流量變化的背景。
  2. Also to get some new conclusion of glacial lakes burst floods, in possibility study of glacial lake burst, and in qualitified study of the safety of the glacial lakes. the first character of this paper introduce the background of this paper, set the goal, content and methodlogy of the study work in this paper. the second chapter of this paper focuses on the meterological character, runoff composition character, why not correspondency of ratio of rainfall and runoff in same period to annual value for nianchu river, lasha river, niyang river and the middle reach of yalu - zangbu river

    本文第一章介紹了課題的研究背景，提出了研究目標、內容和方法；第二章重點分析了年楚河、拉薩河、尼洋河和雅魯藏布江幹流中游段的氣候特徵，徑流組成特性，同期降水、徑流占年總量比例的不對應特性和原因，徑流年內年際變化規律及徑流深分佈特性，分析了天然洪水的特點和洪水參數；第三章介紹了冰川終磧湖的特點，結合已經發生潰決的冰川終磧湖的有關調查資料和考察資料，分析提出了危險冰湖判別指標和發生潰決的氣候條件、周期性特徵，提出了冰湖潰決洪水的計算途徑。
  3. Furthermore, soil and water conservation also resulted in the underground flow decrease but its decrease extent is smaller than of surface flow

    水土保持也使河川地下徑流量有所減少，但降低程度較地表徑流量小。
  4. Firstly established plural linear regression model to estimate the river runoff uninfluenced by human. compare with the record of hydrology examinition stations, then analyze the influence degree of human factors, namely the diference of the two river runoff account

    通過多元回歸方程預測自然狀態下陜甘寧地區河川年徑流量，對比實測徑流量來分析人為因素對徑流量的影響程度。
  5. Moreover, the aid of gray interrelation analysis and the plural regression model are applied to discuss the reason of runoff decrease and abrupt changes. for over 40 years, under the background of climatic warming, river runoff of shaanxi - gansu - ningxia region has showed a generally reduction trend

    40多年來，在氣候暖干化的背景下，陜甘寧地區地表水資源變化總趨勢為減少，表現為自1950年代末以來河川年徑流量的顯著減少傾向，而且貧水化也日趨嚴重。
  6. Study on relation between underlying surface and river runoff

    下墊面與河川徑流的關系研究
  7. Due to the influence of climate drought and human activities, the ecological environment of qinghai province is in an increasingly grave condition, namely, climate abnormal events occurring frequently, grassland degenerating, ground sanding, glacier shrinking, water level of lakes descending and river runoff decreasing, and so on. in the basis of extensively collecting and analyzing the data of qinghai ecological environmental factors such as climate, water resource and grassland resource etc., the further basic research is performed on the ecological environment characters of main climate factors, surface runoff, water resource, lcc and their correlation to coordinate with the basic, strategic and precursory research for the development of china west part and provide the scientific foundation for corresponding development both ecological environment and social economy, and persistent utilization of natural environment resource

    本研究針對當前在氣候乾旱化和人類活動的共同影響下青海省生態環境中氣候異常事件即氣象災害頻繁發生、草場退化、土地沙化、冰川萎縮、湖泊水位下降和河流流量減少等生態環境退化現象日益嚴重的實際，在廣泛收集和整理青海省氣候、水資源、草地資源等生態環境因子基礎資料的基礎上，對青海的主要氣候要素、地表徑流、水資源、植被的演替及其相互間的關系等主要生態環境變化特徵進行了基礎性的研究。
  8. The difference between the calculation and water resources assessment has been mainly introduced in the paper

    通過介紹還原水量計算方法，闡述了河川徑流量與水資源量的區別。
  9. The impacts of soil and water conservation on river flow and soil - hydrology of jia - lu - he, tu - wei - he, pian - guan - he and qiu - shui - he catchments have been analyzed by the simulation and on - spot measuring methods according to data of during 1950 ' s to 1990 ' s. the selected catchments of the above four all are in the key area of soil and water conservation on the loess pleatu. the main results are as follows. the trend, reasons and critical year of annual river flow " change have been researched by rank correlation and maximum deviation division

    本文以黃土高原水土保持重點區的佳蘆河、禿尾河、偏關河和湫水河等四條流域為代表，採用定量與定性、模型模擬與實測對比相結合的方法，系統分析了上世紀50 90年代時段內水土保持對河川徑流及土壤水文的影響，取得主要結果如下：採用秩相關和極差分割等定量評價方法，分析了四條支流徑流量變化趨勢、變化原因及發生明顯變化的臨界年份。
  10. The influence of human activities on river runoff rises notably

    無定河流域河川徑流的人類活動影響程度在顯著上升。
  11. The season changes of the river flows and its response to soil and water conservation have been researched

    分析了河川徑流量的季節變化規律及其對水土流失治理的響應。
  12. The paper also proposed a new method to build a comprehensive precipitation - runoff model based on soil and water conservation practices

    黃土高原水土保持對河川徑流及土壤水文的影響提出了建立基於水土保持措施的流域降水產流模型的新方法。
  13. These models can be used to estimate impact of control measures on river runoff, and to what degree these measures effect the runoff production in river catchments at any given year

    該模型能分離水土流失綜合治理對河川徑流量的作用大小，並可估算任一年份水土保持措施對降雨產流量的影響程度。
  14. With the impact of climate change and increasing the intensity of human activities, the hydrological regime has changed, including annual runoff distribution, which is relating with water resources management and ecological construction

    摘要在氣候變化和人類活動的影響下，河川徑流的年內分配特徵也發生變化，直接影響人類開發利用和生態環境建設。
  15. According to hydrochemistry monitoring material of northwest rivers in recent five years, and compared with the first northwest rivers water resources investigation appraisal result in 80 ’ s of last century, we analyzed the main rivers hydrochemistry condition, runoff degree of mineralization, total hardness and the hydrochemistry type distribution

    根據近5a來對西北諸河的水化學監測資料，統計出了主要河流水化學狀況；分析了河川徑流礦化度、總硬度和水化學類型的地區分佈，並與20世紀80年代第一次西北諸河水資源調查評價的結果進行了比較。
  16. Research manifests that : ( 1 ) allocation in the year of precipitation is very uneven, and yearly precipitation is different in great scope, negative anomaly of precipitation appear concentratly in the 1990s, the precipitation in the 1990s decreased in different degree ; ( 2 ) close positive correlation exists between runoff and precipitation, runoff is abundant in the year with prolific precipitation, and generally in the year with scarce rain the volume of runoff is not enough ; ( 3 ) there is 20 % margin in their changes amplitude, this mainly resulted from high frequent human activities

    結果表明： （ 1 ）流域內降水年內分配極其不均；年際變化劇烈，進入90年代后降水負距平集中出現， 20世紀90年代降水較多年均值有較大程度的減少； （ 2 ）流域內河川徑流與降水之間存在密切的正相關關系，降水量多的年份，河川徑流豐富，反之較枯； （ 3 ）河川徑流積極響應降水的變化，然而河川徑流變化幅度卻比降水變化幅度大20 % ，這個偏差主要是由於頻繁的人類活動的干擾造成的。
  17. This thesis, based on the practical engineering background of cascaded reservoir along wasi river, builds a hydrologic forecasting model which can reflect the actual condition of the real operation process, with detailed analysis, generalization and idealization

    本文結合四川省境內的瓦斯河梯級水庫的工程實際，在對其進行較為深入的分析和模型化的基礎上，建立了反映實際問題特點的梯級水電站月徑流預測模型。
  18. Based on the co - linearity analysis of runoff and precipitation among different hydrological stations and various kinds of water and soil conservation measures, a statistical hydrological model of precipitation - soil and water conservation - runoff for the river basin is established by applying multiple regression method to analyze indicators and runoff data

    摘要本文在變量共線性分析基礎上，提出了流域降水量標度和水土保持標度及其計算方法，建立了流域降水水土保持徑流統計模型，該模型不僅能分離水土保持措施對河川徑流量影響程度，而且還可分析降水及水土保持對流域徑流量變化的影響。
  19. Based on the longtime hydrological observation records during the years from 1956 to 1995, properties of precipitation of weihe basin in shaanxi province of different time scale ( including month, year and decade scale ) is analyzed by the method of contrasting properties, correspondingly change characteristics of runoff are also discussed by means of statistics, hence response relationship between runoff and precipitation is revealed, and the main reasons affecting amount of runoff are pointed out

    摘要根據1956 - 1995年的實測水文資料（降水和河川徑流量資料） ，採用特徵值對比方法，對陜西省境內渭河流域不同時間尺度內降水特徵進行分析，並對流域內多年徑流變化也做了相應的統計分析，從而揭示河川徑流對降水變化的響應關系，並確定出河川徑流變化的主要原因。
  20. The impacts of soil and water conservation on river flows have been analyzes by comparison of the runoff amount of prophase and anaphase period. the results indicated that the precipitation producing waters and annuals fluctuate of runoff amount in each catchment have been decreased mainly by soil and water conservation

    根據臨界年份把河川徑流量分為前期和後期兩個時期，比較分析了水土保持對河川徑流量年際變化的影響，指出：水土流失綜合治理使流域降雨產流量減少，徑流量年際波動幅度降低。
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