subsurface flow 中文意思是什麼

subsurface flow 解釋
地下流動
  • subsurface : adj. 表面下的，液面下的；地下的，水面下的。n. 地面下[水面下]的部分〈巖石，土壤，水層等〉。
  • flow : vi 1 流，流動。2 （血液等）流通，循環。3 流過；川流不息；（時間）飛逝；（言語等）流暢。4 （衣服、...
  1. The more mixing that occurs in the estuary, the greater is the landward flow in the subsurface layer

    在河口灣出現的混合越強烈，次表層向陸地方向的流量就越大。
  2. For a time, surface and subsurface current are in opposite directions ; flow is seaward at the surface and landward near the bottom

    在一個時期，表層和次表層的水流方向相反；表層水流向外海方向流動，靠近底層的水流則向陸地方向流動。
  3. On the formation mechanism, the rills were mainly formed by the concentrated action of the runoff on dyke slope, while the formation of socket mainly depended on surface runoff, subsurface flow and the existing defects within the dykes such as crack, mouse hole, fox and brocks dens

    在成因上，前者主要是降雨形成超滲地面徑流的集中對戧坡的侵蝕作用而形成；後者主要與坡面徑流、壤中流，以及土堤的薄弱點（如裂縫、鼠洞、狐1一灌洞等）有關。
  4. This is the important link for problems of subsurface flow.

    這是解決地下水問題的重要一環。
  5. When soil antecedent condition is dry and the initial rainfall intensity is high, peak surface runoff also considerably lag behind that of rainfall, because of the formation of temporary relative impermeable top layer ; b ) surface runoff is controlled primarily by infiltration - excess runoff mechanism under unsaturated condition ; the major fraction of surface runoff are dominated by saturated infiltration - excess runoff response, only a small fraction by return flow mechanism when soil is saturated ; c ) subsurface flow is dominated by saturated runoff mechanism, and the duration of subsurface post the rainfall end is dependent upon rather the soil properties than the rainfall characteristics ; d ) subsurface flow intensity in cultivated soil layer ( 0 ~ 20cm ) is high up to 35mm / h when rainfall intensity is up to 120mm / h, indicating the existing of macropores and pipe flow in cultivated layer

    2 ）耕作制下紫色土的產流主要機制是： 1 ）當雨前土壤含水量未達到飽和狀態時，表面產流起始時間有明顯滯后現象，這與紫色土的快吸水性和較多非毛管孔隙密切相關；當雨前土壤較乾燥，降雨初期雨強較大時，易形成臨時相對不透水表層，表面產流峰也有明顯滯后現象。 2 ）表面徑流的產流方式主要是超滲產流，當土壤達到飽和狀態后，有四川大學博士學位論文小部分回歸流發生，但主要是飽和超滲產流發生，因為紫色土的相對不透水層和其它透水障礙層不明顯。 3 ）壤中流主要是飽和產流，與降雨過程有明顯的滯后，而且雨停后的壤中流產流歷時與降雨特徵無關。
  6. Hydrologists are often interested in the solution of subsurface-flow problems.

    水文工作者很關心地下水流問題的求解。
  7. Stochastic analysis of subsurface flow based on kl - galerkin method

    解法的地下水流動隨機分析
  8. This model is validated by a subsurface flow separation algorithm for an ex - ample river basin, which shows that the new model can simulate the subsurface flow reasonably. keywords : subsurface runoff parameterization, boussinesq - storage equation, water storage and re - charge. hydrological processes including surface runoff, subsurface runoff, and soil water movement play a great role in land surface processes

    文中基於boussinesq - storage方程建立了同時考慮潛水面水分儲存和非飽和層水分入滲兩方面影響的地下徑流機制，並利用流域水文資料以及地下徑流分離演算法驗證了所建立模型的可靠性，結果表明該模型能夠比較合理地模擬地下徑流的變化情況
  9. The coupling analysis program of surface flow and subsurface flow over porous media is developed based on the conversion principles of water on the surface under rainfall conditions. a new method to judge the saturation of the surface is proposed in this thesis, the convergence is speeded up and the cpu time is saved by using this method

    根據非飽和土上水的轉化機理，編制了降雨條件下地表水入滲和產流耦合的計算程序，並根據土-水特徵曲線，提出了判斷地表飽和的條件，根據此條件，加速了收斂速度，節省了cpu的時間。
  10. The alteration procedure of the underground water level is simulated under drizzle and storm rainfall conditions respectively adopting the coupling fem analysis program of surface flow and subsurface flow. the numerical simulation of the underground water level shows that the drain ditch installed over the slope does not have an notable effect on the underground water level

    利用降雨條件下地表水入滲和產流耦合的計算程序，模擬了小降雨強度和大雨強度對地下水位變化的影響，並用數值計算給出了地表排水溝對地下水變化的影響不是很顯著的結論。
  11. On the development process, the rills were influenced by rainfall runoff on slope, but the sockets were the result of the long - term repetitious action of rainfall and runoff and subsurface flow

    在發展過程上，前者受降雨徑流侵蝕作用時間集中；後者是在長期多次降雨形成地面徑流和壤中流侵蝕的共同作用下，逐漸發展起來。
  12. Numerical analysis for the decline of subsurface flow

    地下水流衰退過程的數值解析
  13. The development and decline of subsurface flow in soil changing slope due to rainfall infiltration were studied with numerical analysis

    摘要用數值解析研討了降雨滲透變化坡面的地下水流的進展和衰退過程。
  14. In numerical calculations, the effects of rainfall pattern, shape of slope layer and changing slope to the development and decline of subsurface flow were examined

    數值計算驗算了降雨的方式，斜坡地層的形狀以及坡度的變化對地下水位進展和衰退過程的影響。
  15. A preliminary study of rainfall infiltration on slope using a new coupled surface and subsurface flow model

    考慮地表徑流與地下滲流耦合的斜坡降雨入滲研究
  16. The development of subsurface flow in soil slope due to rainfall infiltration has been studied with numerical analysis

    摘要對降雨滲入坡面土壤所產生地下水流的進展過程進行了數值解析計算。
  17. It result in water level rising, hypo - salinification aggravating, sediment silting up, the lake atrophy, marsh extending and nature disaster such as droughu waterlog ^ salinification occurring frequently. completely analysis to geology and hydrology conditions of the district along yellow river in shandong has been applied in this paper and aquifer ' s hydrological characteristic and subsurface flow ' s characteristic have been analysed as keystone in the paper. after finding out the distribution rule and formation conditions of the shallow layer " s ground water resource, divide the district into three hydrological sections according to hydrological conditions and subsurface flow characteristic

    本文對山東沿黃地帶地質、水文地質條件進行了全面系統的分析，並重點分析了區內含水層的水文地質特徵及地下水運動特徵，進一步查明了淺層地下水資源的形成條件和分佈規律，根據水文地質條件及地下水運動特徵，劃分出三個水文地質區，劃分並論證了粘土裂隙含水層的形成及供水意義；確定了科學的水文、水文地質參數，為準確地計算淺層地下水資源奠定了可靠的基礎；根據淺層地下水資源形成特點，建立了地下水均衡方程式，據此，計算了區內淺層地下水資源及淺層地下水可采資源。
  18. Sloan 13 gave an example to explain some shortages of a single - valued storage - discharge function q asb 14 by applying this model in a river basin. the single - valued stor - age - discharge models are usually called steady or quasi - steady models. one of the most widely used models which includes a quasi - steady state represen - tation of subsurface flow is topmodel 15 19

    Sloan 13具體舉例說明一種典型的穩定狀態下的地下徑流機制q asb 14以及應用廣泛的「擬穩定」狀態下的topmodel 15 19機制在這個方面模擬的缺陷性
  19. The shapes of ground water levels for development and decline of subsurface flow were shown

    做出變化坡度所對應的地下水位的形狀圖。
  20. In numerical calculations, the effects of rainfall pattern, rainfall intensity, coefficient of permeability and shape of slope layer to the development of subsurface flow are examined

    討論了降雨的方式，降雨的強度，滲透系數以及斜坡地層的形狀對地下水流進展過程的影響。
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