annual runoff 中文意思是什麼

annual runoff 解釋
年徑流;年徑流量
  • annual : adj. 1. 每年的;年度的;一年(一次)的。2. (植物)一年一生的,一季生的。n. 1. 一年生[一季生]植物。2. 年刊,年報,年鑒。adv. -ly 年年,每年。
  • runoff : 降雨徑流
  1. Cuntan station of the yangtze river annual runoff forecasting with set pair analysis method

    集對分析法在長江寸灘站年徑流預測中的應用
  2. The results show that after reaching relative stableness, the dam system located in the region is able to supply 1. 6 - 2. 9 billion m3 of water for agriculture. most annual runoff in approximately half of years can be stored and utilized, and the replenished soil moisture is 5. 2 billion m3 above in more than half of years

    結果表明:河龍區間在壩系達到相對穩定后,通過壩系的攔蓄作用,每年可提供16 29億m ~ 3農業用水;有47的年份年徑流大部分可被攔蓄利用;有53的年份壩系土壤水分補充量可達52億m ~ 3以上。
  3. The new research progress in the effect of forest on rainfall, interception annual runoff, was summarized. the main issues show that the most function of forest vegetation aims at protecting water resources and water environment, adjusting water amount, controlling erosion, decreasing run - off silt, decreasing maximum flow as well as increasing discharge of river in dry season and purifying water quality

    本文一方面通過介紹森林水文學的概念、研究進展和實際運用,分析了森林與水相互作用的特點,並從降水、截留、徑流等方面綜合研究森林植被在涵養水源、調節水量、減少徑流泥沙、降低洪峰、增加枯水期流量、改善水質等方面具有的重要功能。
  4. Owing to the effects of frequent human activities and climate change, the natural annual runoff series for water resources evaluation calculation lost their consistency

    摘要由於受頻繁人類活動和氣候變化的影響,用於水資源評價計算的天然年徑流量序列失去了一致性。
  5. 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。
  6. In a year the change of river flow is drastically and season distributes of runoff in river is mainly centralize in the summer in jia - lu - he, qiu - shui - he and pian - guan - he catchments. for example, the runoff amount from july to august accounts for 41 %, 58 % and 57 % of the annual runoff amount in the above three catchments, respectively

    所選四條流域中,佳蘆河、湫水河和偏關河三條河流徑流量年內變化劇烈,季節分配不均,集中度高, 7 8月份徑流量分別占各流域年徑流量的41 、 58和57 。
  7. One exception is tu - wei - he catchment where underground runoff is the primary part of river flow. its runoff season distribution is much uniformity. its runoff amount of july to august accounts is 24 % of the annual runoff amount

    但以地下徑流補給為主的禿尾河,徑流量的季節分配相對均勻, 7 8月份徑流量占年徑流量的24 。
  8. Annual runoff of malianhe river show a decline tendency in the period both between 1955 - 1986 and 1987 - 2000. annual runoff of qingshuihe river showed a similar tendency to malianhe river in the period between 1956 - 1987 and the period between 1988 - 2000

    無定河年徑流量無論總體變化趨勢還是各個階段都為顯著減少;馬蓮河和清水河年徑流量在1986 1988年前後兩個階段內的變化趨勢都為顯著減少趨勢。
  9. The grey self - memory model for annual runoff was established on grey system and self - memory theory

    摘要將灰色系統建模方法和自記憶建模結合起來,提出了年徑流預測的灰色自記憶模型。
  10. Examples show that the suggested model can reflect the extreme trend of recorded annual runoff dynamic variation with satisfactory simulation and predicting precision

    實例研究表明,灰色自記憶模型能很好地反映動態數據序列的極值趨勢,且具有較滿意的擬合及預報精度。
  11. The continuance maximum decrease of three months is from july to september in all four catchments. the runoff reduction of the three months accounts for 51. 5 % to 76. 5 % of the annual runoff decrease

    各流域徑流量連續減少最大的3個月均為7 9月,其徑流減少量占年減少量的51 . 5 76 . 5 。
  12. 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。
  13. There is also a difference in all rivers in this region. annual runoff of wudinghe river reduced notably in both general tendency and periodic change

    陜甘寧地區河流徑流量總的變化趨勢為減少,但各條河流變化情況不同。
  14. In this paper, the characteristics and tendency of annual runoff changes of wudinghe river, malianhe river and qingshuihe river are analyzed

    河流徑流量在自然和人為因素的共同影響下而變化,變化特徵復雜,趨勢具有不確定性。
  15. Estimation of restoration of annual runoff series by using projection pursuit method

    投影尋蹤法在徑流還原計算中的應用研究
  16. Normal annual runoff

    正常年徑量
  17. Annual runoff forecasting research based on the theory of cointegration and error correction model

    基於協整與誤差修正機制的徑流預測模型研究
  18. ( 2 ) through the analysis of the dynamic trends of annual runoff of yeerqiang river, the change trends of annual runoff is acquired

    ( 2 )對葉爾羌河年徑流量動態變化趨勢進行了分析,得出了葉爾羌河年徑流量變化趨勢。
  19. The analysis shows that the average annual runoff volume has a little increase due to human activities after management, but the average annual sediment production has greatly decreased

    通過分析發現,治理后流域內的人類活動使年均徑流量比治理以前略有增加,而年均輸沙量卻比治理以前大幅度減少。
  20. 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。
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