runoff generation 中文意思是什麼

runoff generation 解釋
產流
  • runoff : 降雨徑流
  • generation : n. 1. 代〈約30年〉,世代,時代;同時代的人。2. 一代[一世]。3. 生殖,生育;發生,產生。4. 【數學】(面、體、線的)形成。5. 完善化階段,完善化方案,完善化的模型;發展階段。
  1. Regard - ing the surface runoff mechanism, liang and xie 1, 2 presented a new surface runoff parameterization which dynamically represents both the horton and dunne runoff generation mechanisms within within a model grid cell together with a consideration of the subgrid - scale het - erogeneity, which can be applied to not only humid regions but also droughty regions as well 3, 4. regard - ing the soil water movement, xie et al. 5 developed an unsaturated flow numerical model based on the finite element method, and xie et al. 6 presented another numerical model to compute soil moisture and water flow flux together by means of a mixed finite element method

    在地表徑流方面,文獻1 3發展了一種同時考慮蓄滿超滲產流機制及次網格非均勻性的新的徑流機制模型,並用其改進了陸面模式vic variable infiltration capacity中的徑流計算,該模型既適用於濕潤地區也適用於乾旱地區4 .在土壤水模型方面,文獻5採用有限元質量集中法發展了非飽和土壤水流的數值模型,文獻6則採用混合有限元法建立了非飽和土壤水分含量和通量計算的數值模型
  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. Integrated model of runoff generation over valley slope surface

    流域坡面綜合產流數學模型的研究
  4. Impacts of forest vegetation on runoff generation mechanisms : a review

    森林植被影響徑流形成機制研究進展
  5. This system can be used for generation operation or flood control operation in different runoff situation, whether in flood period or in non - flood period. and, it can also supports reasonable operation of water power station

    該模型集成系統對原有調度系統作了較大的技術改進,可在洪水期和非洪水期根據來水的不同情況,進行相應的發電調度或防洪調度。
  6. For this reason, our objective is the research of the mechanism of runoff generation and characteristics of moisture changing process of slope farming purple soil, accordding to the theory of hydrology and the intergrated - means of compined the hydrology with the peodology, because it is the basis of the studies : soil erosion and protection, farming - land water balance, non - point pollute, etc., and the direction gist of runoff arrange implement, solving water hazard and management of irrigation and fertilizer

    綜觀國內外有關研究,我們認識到對紫色土土壤產流和水分變化特徵的認識,是認識該區土壤侵蝕與保護、農田水量平衡、非點源污染等的機理和規律的基礎,也是解決該區水患問題、實施徑流調節而提高旱地的雨水利用程度,以及水肥管理等的基本科學依據。因此,以水文學原理為基礎,採取水文學與土壤學、地理學、水土保持學等相結合的途徑,研究紫色土坡耕地的降雨產流機制與產流後土壤水分的變化特徵,是具有新的科學價值和現實意義的。
  7. In this paper, subjects mainly focused are as follows : to meet with the requirement of forward business and the establishment of mid - long term generation planning of hydroelectric plant, the yearly runoff and the monthly runoff are studied in this paper, providing many kinds models that suited to min - long term runoff forecast, including the time series analysis, the nearest neighbor bootstrap regressive model, the grey topological model, recession curve model, threshold auto regression, mean generating function, and ann model etc. the forecast result proves that these models are useful

    本文從以下幾方面進行了較為深入的研究: ( 1 )為了滿足水電廠的期貨交易及編制水電站中長期發電計劃的需要,本文對年、月徑流預測進行了研究,提出了徑流中長期預測模型,包括:時間序列模型、最近鄰抽樣回歸模型、灰色拓撲預測、退水曲線模型、門限自回歸模型、均生函數模型及神經網路模型等,從預測成果來看,效果較好。
  8. ( 2 ) in term of two cases that being upstream long - liu regulation or not, solved optimal model to obtained compensation results of water supply and generation electricity. the ning - meng system increased water 17. 08 * 10a8 m3, the downstream system increased 7. 13 * 10a8 m3 ; the runoff power stations increased generation 8. 93 * 10a8 kw - h, the san - xiao increased 9. 10 * 10a8 kw - h

    ( 2 )按照「無」龍劉調節和「有」龍劉調節兩種情況,分別進行模型求解計算,對比分析得到黃河上游水電站為中下游提供的水量以及電量補償調節結果:多年平均上游水電站為寧蒙灌區增加有效供水17 . 08億m ~ 3 ,為下游省市增加有效供水7 . 13億m ~ 3 ;為上游徑流式電站增加電量8 . 93億kw ? h ,為三小增加電量9 . 10億kw ? h 。
  9. After a rainfall end, soil moisture content of cultivated layer is nearly stable within a certain period that is one week if rainfall leads to saturated runoff generation and is the optimal duration of fertilization

    若有降雨使土壤飽和(產流)發生, zwt天後,在無外界水源條件下,土壤含水量大約有一周的穩定期,這一時期是施肥的有益時期。
  10. Generation electricity distribution : the proportion of the long - liu and the runoff power stations is 5 : 5 ; the long - liu and the san - xiao is 5 : 5

    發電補償效益分配:上游龍劉與上游徑流式為5 : 5 ,上游龍劉與三小為5 : 5 。
  11. 4 ) numerical simulation running of surface runoff shows simulation results presented the general features of surface runoff generation, and certain efficiency. after adjusting the input parameters, the simulation results show a good meet to the observed data

    4 )表面徑流的數值模擬能揭示表面產流的一般趨勢,而且有一定的有效性,通過調整模擬輸入參數,能使模擬達較理想程度。
  12. The coupling here means that the conception and philosophy of runoff generation and routing scheme in hydrology are introduced to land surface model

    這里耦合的含義是指,把水文學中的產匯流概念和理論用於陸面模式中以改善以往陸面模式對水文過程描述的不足。
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