rainfall loss 中文意思是什麼

rainfall loss 解釋
雨量損失
  • rainfall : 下雨，雨量。
  • loss : n. 1. 喪失；丟失，遺失。2. 減損，損失，虧損（額）；損耗；減少，下降。3. 失敗；輸掉。4. 錯過；浪費。5. 損毀；【軍事】傷亡；〈pl. 〉 傷亡及被俘人數。
  1. 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。
  2. Moreover, hedgerow ecosystems were effective in controlling water and soil loss in june and august. under simulated rainfall, hemercoallis citrina baroni and p. rotation flligg hedgerow ecosystems had a significant effect on reducing water and soil loss in their later stages of plant growth, and there was a significant positive correlation between the effect on reducing water and soil loss and the rain intensities. moreover, hedgerow ecosystems decreased more soil loss than runoff, and the initial time of runoff incidences could well represent the water and soil conservation effects of hedgerow ecosystems

    Rotatumflligg ）植物籬笆生態系統年徑流量、年侵蝕量分別減少10 . 14 11 . 56倍和135 . 34 165 . 84倍；植物籬笆生態系統和大豆單作處理的徑流量、侵蝕量、可產生侵蝕的降雨量之間呈極顯著正相關，建立了相應的降雨產流、降雨產沙、徑流侵蝕模型，通過侵蝕雨量可以了解水土流失的發生特徵； 6月和8月份（多短時暴雨）水土保持能力較明顯。
  3. A filed study on soil nutrient loss of different slope landuse types in the xiaolangdi gorges reservoir area was conducted under simulated rainfall

    摘要通過野外模擬降雨試驗，分析了撂荒荒坡、林草間作、農林間作、造林林地和坡耕地翻耕種植玉米、坡耕地翻耕休閑6種利用方式下的土壤流失特徵。
  4. Measurements of rainfall and water loss as a result of evaporation are essential for various applications in connection with water resources planning, drainage design, water quality control, reservoir design and operation, irrigation as well as hydrological forecasting and flood control

    量度雨量及因蒸發作用而引致水的損耗非常重要，所得結果可以應用於水利資源策劃排水系統設計水質控制水塘設計和管理灌溉水文預報及防洪等。
  5. Hydrometeorology is concerned with the study of these atmospheric processes which affect the water resources of the earth and which are of interest to the meteorologist and the hydrological engineer. measurements of rainfall and water loss as a result of evaporation are essential for various applications in connection with water resources planning, drainage design, water quality control, reservoir design and operation, irrigation as well as hydrological forecasting and flood control

    水文氣象的研究范圍包括所有影響地球水利資源而氣象學家和水文工程師又有共同興趣的大氣過程。量度雨量及因蒸發作用而引致水的損耗非常重要，所得結果可以應用於水利資源策劃、排水系統設計、水質控制、水塘設計和管理、灌溉、水文預報及防洪等。
  6. Typical rainfall effect on sediment loss and runoff of cash forest

    經濟林模式典型次降雨對泥沙和徑流流失的影響
  7. There was a highly significant correlation between the highest rain intensity in 30 minutes ( abbreviated as i30 ) and rv, and no significant correlation between rainfall capacity and 130. the soil conservation effects were better than the water conservation effects. the order of importance for water and soil conservation effects in different treatments was eragrostis curvula, kummerowia atriata, ixeris denticulata, with the most significantly positive correlation between each runoff and soil loss

    與裸坡相比，嚴重侵蝕地上植物籬笆的保土效果比保水效果更明顯，其中畫眉草（ eragrostiscurvula ）水土保持能力最強，雞眼草（ kummerowiaatriata ）次之，苦蕒菜（ ixerisdenticulata ）只具有保土作用；同時每次降雨產生徑流量與侵蝕量之間為極顯著相關關系。
  8. In general, the annual rainfall in these regions is less than the annual water loss by evaporation.

    總的來說，這些地區的年降雨量比一年內由於蒸騰而失去的水分要少。
  9. The characteristics and output rules of nitrogen and phosphorus loss of rainfall runoff in farmland of typical plain river - net area were studied through the field survey and the fixed location monitoring of the concentration of nitrogen and phosphorus

    摘要通過對研究區降雨徑流中氮、磷濃度的野外實驗和定點監測，研究典型平原河網區的農田降雨徑流氮磷流失特徵及其輸出規律。
  10. Effects and mechanisms on reducing soil and water loss in hedgerow ecosystems ( 1 ) hedgerows are capable of retaining water and soil under actual and simulated rainfall conditions. rain erosive power and rainfall were higher in june and august than in other months in 2001

    植物籬笆生態系統減水減沙效應及機理（ 1 ）自然降雨和人工降雨條件下，坡耕地植物籬笆均具有明顯的水土保持效應，而且這種效應在植物籬笆的生長後期更為突出。
  11. Experiments of artificial rainfall showed that sediment is the main body of total nutrient loss and runoff is the main body of available nutrient loss when erosion is slight, but sediment become the main body of total and available nutrient synchronously while erosion is intense. concentration of nutrient in runoff is most likely to be affected by concentration in topsoil. the higher concentration in topsoil is, the more possible nutrient loss by runoff is

    人工降雨實驗結果表明，在降雨強度和侵蝕強度不大時，侵蝕泥沙是全量養分流失的主體，地表徑流則是速效養分流失的主體；而當在降雨強度和侵蝕強度極為劇烈時，侵蝕泥沙成為全量養分和速效養分二者流失的主要載體；地表徑流中的養分含量很大程度上受土壤中養分含量的影響，土壤中養分含量越高，養分徑流流失的可能性越大。
  12. The paper establishes a mathematical model for calculating soil erosion modulus and a method for calculating new soil loss by using annual rainfall data and individual rainfall data, taking the outcomes of tests and study of natural rainfall, artificial rainfall and washout as a basis, rainfall erosion force, soil resistance to erosion and ground slope as main factors and combining with the study on new soil loss in typical regional development and construction

    摘要以天然降雨、人工降雨、放水沖刷等試驗研究成果為基礎，結合典型區域開發建設新增土壤流失分析的研究成果，以降雨侵蝕力、土壤抗沖性和地面坡度為主要因子，建立了用年降雨資料和次降雨資料計算土壤侵蝕模數的數學模型和開發建設新增土壤流失量的計算方法。
  13. In this thesis, with eight events of artificial water - washing test on five different slope gradients, factors affecting soil potassium loss by erosion, such as slope gradient, rain intensity, vegetation coverage, and amount of rainfall are discussed

    本文通過在5個不同坡度徑流小區進行的8次人工模擬沖刷試驗，探討了坡度、放水沖刷強度、植被和降雨量等因素對土壤鉀素徑流流失的影響。
  14. 2. by regression analysis, we can get the relation between rainfall intensity and the loss modulus of organic matter, total nitrogen and the available nitrogen is exponential function by slope the same as cultivation measure. and the relation between slope gradient and the loss modulus of them is power function

    經回歸分析，可得到坡度和耕作措施相同時，雨強與有機質、全氮和堿解氮的流失模數之間呈較好的指數函數關系；當耕作措施相同、雨強接近時，有機質、全氮和堿解氮的流失模數與坡度之間呈較好的冪函數關系。
  15. The proportions of soil and water losses caused by heavy rain ( or storm ) were 65 % ~ 75 % and > 80 % respectively. there was extremely significant positive correlation between rainfall and runoff amount, while not - significant correlation between rainfall and soil loss was found

    降雨量與徑流量的均呈極顯著線性相關，降雨量越大，徑流量越大;而降雨量與土壤流失量的相關性明顯小於降雨量與徑流量的相關性，影響土壤流失量的因素比徑流量復雜。
  16. Study on properties of nutrient loss from red soil in sloping land under different rainfall intensities

    侵蝕條件下坡地土壤水分與有效磷的空間分佈特徵
  17. There is no any drainage works, no garbage disposal area so that garbage rush away anywhere in rainfall time, no hardening of road and no afforestation in these villages, allmentioned above are the main reasons for severe soil and water loss

    村內村外未建排水設施，村裡不設垃圾處理場，大雨時垃圾四處流散，路面未硬化，村莊未綠化，是造成嚴重水土流失的主要原因。
  18. In this period p loss occupied 60 % of total loss in a year. ( 3 ) factors affecting the temporal distribution are rainfall and farming activities ( plowing ， weeding, fertilizing, planting )

    （ 3 ）影響紅壤坡地磷流失時間分佈特徵的因素主要為降雨和農事活動。
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