runoff analysis 中文意思是什麼

runoff analysis 解釋
徑流解析
  • runoff : 降雨徑流
  • analysis : n. (pl. -ses )1. 分解,分析;【數學】解析。2. 梗概,要略。3. 〈美國〉用精神分析法治療(= psychoanalysis)。
  1. Following this algorithm, the base flow can be calcu - lated from the observed discharge as follows : 1, 22bbqiqiqi where i is the time step in the discharge records, qb is the base flow, q is the total runoff, and is the re - cession constant during periods with no surface runoff. the parameter can be determined through a dis - charge recession analysis

    地下徑流的推算公式如下1 1 . 22bbqiqiqi ? ? ? ? 26其中i表示推算的時間步數, qb是地下徑流, q是總的徑流.表示沒有降水時候流量消退系數,可以通過沒有降水時候的流量消退資料推算出出來
  2. And the major results and some new viewpoints were presented as follow : 1 ) sediment content of cn tillage system in runoff process is substantially low compared to st under rainfall with high intensity, showing cn bear the efficient capacity of control soil loss. nevertheless, when soil is saturated, the runoff intensity of both tillage systems is near, implicating cn has the limited function of reducing runoff. 2 ) based on the case analysis of observed all rainfall - runoff generation processes, a ) the initiation time hysteresis of surface runoff generation is notable when rainfall fall upon the unsaturated purple soils, which is attributed to the property of rapid water sorption and much non - capillary porosity

    經近幾年的觀測和理論分析,取得了以下結果和創新的認識: 1 )在降雨強度較大的情況下,保護性耕作制? ?聚土免耕的產沙強度明顯較常規耕作制? ?順坡耕作的小,說明聚土免耕耕作制防治土壤流失是有效的;但當土壤達到飽和后,聚土免耕的徑流強度與常規耕作的差異較小,產沙強度也增大,因此,聚土免耕防治水土流失的能力是有限的。
  3. During analysis of former edge slope stabilization, it is not especially that affects of freezing - melting eroding to edge slope to slide. the thesis puts forward beiyin channel was destroyed by cold freezing eroding, freezing - melting and runoff of melting snow ect

    本文提出北引渠道由於地處高寒和多年凍土地區,在寒冷剝蝕、凍融剝蝕以及融雪徑流等的動力作用下,渠道將發生較為嚴重的破壞。
  4. 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
  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. Analysis on characteristics of storm runoff of east side of dianchi lake

    滇池東岸暴雨徑流特徵分析
  7. An analysis on the data of storm and runoff in yangdaogou small watershed

    羊道溝小流域暴雨徑流資料分析
  8. The task of the paper is analysis the cause and trend of reservoir sedimentation based on the study of runoff characteristic, operation mode and sediment status of xiazhai reservoir in xiji county, so as to offer a theory basis to confirm reasonable reservoir operation mode and to perfect the desig n of the works, and to provide a certain guidance to solve the practice problem of other water works

    本課題以西吉縣夏寨水庫為研究對象,通過研究水庫徑流特徵和水庫運行方式及淤積狀況,分析了水庫淤積成因及變化趨勢,為合理確定水庫運行方式,進一步完善工程設計提供了理論基礎,對解決工程實際問題具有一定指導意義。
  9. The purpose of this web site is to share my experiences with workers in any country on water logging in agricultural lands, irrigation induced soil salinity, subsurface drainage for agriculture ( horizontal and vertical ), reuse of groundwater, ground - water hydraulics, ( geo ) hydrology, rainfall and surface runoff relations, reclamation and improvement of water logged saline, salty, sodic alkaline, and acid sulphate soils, plant growth, crop production and responses as well as statistical analysis consisting of segmented linear regression and cumulative frequency distributions

    描述:探討農業耕地的水澇問題;灌溉導致的土壤鹽堿化;地表灌溉;地下水的再利用;地下水水力學;雨水與水流失的關系;淺地表排水;土壤開墾及水澇,酸性,堿性土壤的改良;片段線形回歸和累積頻數分佈的統計分析等。
  10. Analysis on the technical test of storing runoff irrigation

    蓄流灌溉技術試驗分析
  11. Analysis on runoff and sediment reduction through soil and water conservation measures conducted in huangfu - chuan river basin

    皇甫川流域水土保持措施減水減沙分析
  12. Based on the thoroughly analysis of the runoff formation characteristics in the cold zone and the roles of snow and frozen earth especially, the following phenomenon and processes are successful simulated, and a series results are obtained

    冰雪和凍土的水文物理特性,及其對徑流形成過程的作用,是寒區流域產匯流的主要矛盾或矛盾的主要方面。
  13. Based on the analysis of the data and information from the field observations and lab experiments, the results were as follows : ( 1 ) the results of the simulated rainfall and runoff erosion experiments in lab. under the design experiment conditions including the constant rainfall intensities of 1. 0, 2. 0, 3. 0mm / min and the rainfall durations of 30, 70 minutes and with soil moisture content 9. 5 % or 10. 0 % for dry situation, as well as with the soil moisture content 19. 0 % or 20. 0 % for wet situation, the soil erosion increased nonlinearly with the rainfall intensity, and the rainfall duration. the results of the experiments indicated that the amount of soil erosion caused by the simulated rainfall and runoff on the dry - soil slope was more than that on the wet - soil slope

    通過實地觀測及室內試驗資料分析,得到如下研究成果: 1 、室內模擬降雨徑流對戧坡的侵蝕試驗研究結果在定雨強為1 . 0 、 2 . 0 、 3 . 0mm min ,降雨歷時30 、 70分鐘,干土含水量為9 . 5 10 . 0 ,濕土含水量為19 . 0 20 . 0的條件下,侵蝕量與雨強成非線性正比關系;雨強大,侵蝕量大;降雨歷時長,侵蝕量也大;堤坡含水量大時,侵蝕量小,堤坡含水量小時侵蝕量大。
  14. ( 7 ) from analysis, the smg model with decaying recursion updating is the most suitable model for reservoir 10 day runoff forecast at liujiaxia and longyangxia. and neural network model is the next

    ( 7 )通過對比分析,認為加衰減遞推實時修正的smg模型是最適合黃河上游的中長期水文預報模型,神經網路次之。
  15. The real runoff time series was divided into the high frequency item and the low frequency item with the help of the wavelet analysis first, then the two items were modeled by chaos theory and the stepwise regression algorithm, at last the output of the two models were added together.

    論文首先藉助小波分析,將實測徑流時間序列分解為高頻項和低頻項兩項,其次對這兩項分別用混沌理論和逐步回歸理論建模,其中混沌預報藉助基於自組織法求解的的volterra級數來完成,然後將兩者結果疊加起來。
  16. Runoff reduction into hongyashan reservoir and analysis on water resources crisis of minqin oasis

    紅崖山水庫徑流量減少與民勤綠洲水資源危機分析
  17. Analysis of water and sediment materials from main hydro - stations in the upper reaches of the yellow river in qinghai province showed that, the area in the upper reaches of the yellow river was only 23. 4 % of the total yellow river basin, while its runoff was 47. 5 %, and sediment yield was only 3. 86 % of that of the whole basin, so it was a major area of water production and supply

    利用青海境內黃河上游主要水文測站的資料,對境內水沙來源及組成進行了分析,認為該區面積只佔黃河流域面積的23 . 4 ,而徑流量佔47 . 5 ,輸沙量只佔3 . 86 ,是黃河的主要產流區和水量供給地之一。
  18. ( 2 ) the method of time series analysis and the stochastic models are introduced, and the yearly and monthly runoff series stochastic models at the heiyukou gauging station in heihe river are established and checked

    ( 2 )對水文系列的時間序列分析方法及常用的隨機模型進行了闡述,建立了黑河黑峪口站的年、月徑流序列生成模型並進行了檢驗。
  19. Analysis of rainfall - runoff factor change of the source regions of the yellow river with supporting of gis

    支持下的黃河河源區降水徑流要素變化分析
  20. Analysis of runoff and sediment variation and landscape pattern of typical watersheds in jinghe basin

    涇河典型流域水沙變化及其景觀格局分析
分享友人