hillslope 中文意思是什麼

hillslope 解釋
山坡
  1. Experimental study on upslope runoff effects on ephemeral gully erosion processes at loessial hillslope

    黃土坡面匯流匯沙對淺溝侵蝕影響的試驗研究
  2. The middle and lower parts of woodland and grassland had higher soil water contents during rainy season, which resulted from smaller evapotranspiration and more infiltrated water with a lower gradient. however, upslope runoff infiltration was another reason for hillslope with a lower cover ratio, such as bare land

    雨季林草地坡中下部土壤水分含量較高的原因,可能主要與其蒸散較小且坡度較緩導致入滲水量較多有關;但是對于植被覆蓋度較低的坡地(如裸地) ,坡中下部土壤水分含量較高還與上方來水有較大的關系。
  3. Figure 1. most hillslopes on kowloon side remain barren with little woodland cover ; they can be targeted for widespread tree planting in the hillslope - cap proposal

    九龍區的山坡仍舊光禿如昔,僅有少許林木覆蓋,建議中的山坡環抱維港植樹計劃應在此進行大型的植林活動。
  4. Recent development of hillslope soil erosion models

    坡面水蝕模型研究進展
  5. A new method is presented. the travel time, including the time delays associated with overland folw pathways, is obtained. it is expected that the hillslope velocity and the stream velocity are different, and different equation is used. in the method, the fact that velocity increases going downstream in river systems is taken into account. after the travel time of each cell being calculated, the frequency distribution of the times of arrival of individual water droplets at the catchment outlet - giuh, is obtained

    提出了一種匯流時間計算方法,匯流時間中包括坡地漫流時間和河道匯流時間。方法中坡地單元的匯流速度與河道單元的匯流速度採用不同的計算公式,同時考慮流速沿河道向下游的變化。流域中每一個網格單元的匯流時間得到后,將其看作隨機變量,進行統計分析后,得到匯流時間的頻率分佈? giuh 。
  6. The hillslope erosion processes include soil separation, sediment transport and sediment precipitate, which these three process result from the rainfall splash erosion and runoff erosion. to study and analyze the happening and developing conditions of hydraulic, soil and terrain, and the mechanisms of transitions and influences of these processes each other is the prerequisite to set up physical model of soil erosion

    坡面侵蝕過程包括降雨濺擊和徑流沖刷引起的土壤分離、泥沙輸移和沉積3大過程,研究和分析這些過程發生、發展的水力、土壤、地形條件以及各過程間相互轉化、相互影響的機理,是建立土壤侵蝕物理模型的前提條件。
  7. In the hillslope, d ( ), c ( ) and k ( ) of soil water have high spatial correlation. d ( ), c ( ) and k ( ) are significant affected by soil water content, capillary pore and sand content bulk density and non - capillary pore aperture are significantly affected on permeability rate. correlation analysis indicates that it is significant correlate

    在坡面上,含水量、毛管孔除和砂粒含量對土壤水的擴散率、比水容量和導水率的影響較大;容重和非毛管孔隙對滲透率的影響較大,相關性檢驗達顯著和極顯著水平。
  8. Redistribution patterns of black soil in hillslope landform of northeast china : a 137cs study

    技術研究黑土坡耕地土壤再分佈特徵
  9. Our review suggests that empirical experimental ecohydrological research methods include laboratory approach that employs hillslope hydrodynamic theories, field hillsclope experiments, and watershed experiments

    因此,只有通過對不同尺度生態水文過程分析,才能揭示流域徑流泥沙對植被變化的響應機理。
  10. ( 4 ) wavy distribution of soil water along hillslope resulted from the fluctuation of runoff, upslope runoff infiltration, lateral downslope flow, and the difference of infiltration rate and evapotranspiration

    ( 4 )土壤水分沿坡面呈「波浪形」分佈是坡面徑流的波動性、上方來水(徑流)的沿程入滲、側向沿坡向下流以及坡面各處入滲性能和蒸發蒸騰作用的差異等綜合作用的結果。
  11. Taking beibei of chongqing as example, the paper discusses problems about risk assessment of hillslope debris flow

    本文以重慶市北碚區為例,討論山坡泥石流風險性評價的問題。
  12. The paper includes seven parts : part one introduces simply general situation of beibei of chongqing, and expounds the conception of risk assessment of hillslope debris flow

    文章包括七個部分。第一部分簡要介紹了北碚區的概況,闡述了泥石流和泥石流風險評價的概念。
  13. The geomorphological instantaneous unit hydrograph ( giuh ) is viewed as the frequency distribution of the times of arrival of individual water deoplets at the catchment outlet. the travel path, for a typical hillslope cell. consists of a hillslope fraction, corresponding to overland flow and a stream fraction, corresponding to concentrated channeled flow. to obtain the time of travel, velocities must be defined. hillslope and stream velocities vary with location and must be strongly correlated with slope, and therefore a spatial distribution of velocities and hence of travel times could be obtained. the present methods of giuh neglect any time delays associated with overland flow pathways

    地貌單位線被看作是流域上各水質點在弱相互作用下,到達流域出口匯流時間的頻率分佈。對於一個典型的山坡型網格單元,匯流路徑由兩部分組成,即坡地部分和河道部分,為了得到匯流時間,必須首先確定匯流速度。坡地和河道的匯流速度隨著區域位置而變,並且必然與坡度有關,因此,可首先計算流速的空間分佈,進而得到匯流時間的空間分佈。
  14. In this dissertation, rainfall infiltration, runoff, and soil water redistribution on a hillslope were studied by simulated rainfall experiments, and soil water cycling was investigated by site observation and soil sampling methods. moreover, the reasons for the desiccation of deep soil layer were analyzed, and its assessment indexes and standards were presented. the main results are as follows : ( 1 ) rainfall infiltration into a planar hillslope with a homogeneous isotropic soil could be simply regarded as one - dimensional infiltration process, if soil erosion was prevented

    針對當前該區植被恢復重建中存在的科學問題,以植被建設的關鍵性限制因素?土壤水分為出發點,通過室內外模擬降雨試驗,研究了坡地降雨入滲、產流及土壤水分再分佈規律,同時採用定位觀測和采樣分析相結合的方法,分析了坡地土壤水分的循環與轉化特徵,並初步建立了深層土壤乾燥化程度的評價標準,取得的主要結論如下: ( 1 )在防止土壤侵蝕的條件下,均質坡地的降雨入滲過程可以簡化為一維。
  15. Hillslope debris flow is developed in hillslope, which is small - scale and without clear circulation area, and whose ditch slope and hillslope have nearly same slope

    山坡泥石流是發育在坡面上的、小型的,沒有明顯流通區,溝坡和山坡坡度幾乎一致的泥石流。
  16. It has steep hilly terrain, intense seasonal rainfall and very dense hillslope development

    香港地勢多山且山勢陡峭,而且有季節性大雨及山坡地區發展稠密。
  17. There are only researches about the slope loss ' s soil particle characteristics and the temporal process of hillslope agro - forestry compound system nutrient loss in the yangtze river watershed, and deficient to the mechanism and process parameters of hillslope sediment and nutrient loss of three gorges area, and there is not a preferable systematic prediction model of sediment runoff and nutrient loss also, let alone forming benefits evaluation model of hillslope harnessing measures

    目前在長江流域僅有坡面流失土壤顆粒特徵和坡面農林復合系統養分流失時間過程的研究報道,而對三峽庫區坡面土壤泥沙及養分流失的機理及過程參數的獲得尚無報道,還沒有一個較系統的泥沙徑流及養分流失的預測預報模型,更談不上構成坡面治理措施的效益評價模型。
  18. Part five discusses preliminary vulnerability of hillslope debris flow

    第五部分初步探討了山坡泥石流的易損性問題。
  19. The result indicates the relative value of hazard on the basis of improved formula can embody accurately the pound - destroy effect of hillslope debris flow. it conforms to reality

    結果表明,改進公式計算出的危險度相對大小能夠很好地體現山坡泥石流的沖擊破壞效應,符合區域實際情況。
  20. Review on hillslope erosion prediction models in china

    國內坡面土壤侵蝕預報模型述評
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