runoff loss 中文意思是什麼

runoff loss 解釋
徑流損失
  • runoff : 降雨徑流
  • 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. ( 4 ) the percentage phosphorus loss by bed load was equivalent to mat lost as a result of runoff in traditional fanning practices, whereas in the rest of farming system the loss by runoff phosphorus was 67. 59 % - 88. 11 %

    （ 4 ）順坡農作處理的徑流小區通過椎移質流失的磷素和邁過徑流流失的磷素基本相當，其它處理的土壤磷素主要以徑流方式流失，其流失量占土壤全磷流失量67
  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. Estimation of n loss loading by runoff from paddy field during submersed period in hangjiahu area

    杭嘉湖地區淹水稻田氮素徑流流失負荷估算
  4. 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。
  5. Different forms of organic nitrogen loss in soil by runoff in slope land of loess plateau

    黃綿土不同形態有機氮徑流流失規律
  6. Large - scale changes of landscape structure cause the degradation of functions of storage and drainage in watershed wetland, which are reflected by loss of flood holding capacity, increase of surface runoff and decrease of confluence time etc

    景觀結構的巨大改變引起了流域濕地貯、排水功能的衰退，主要表現為滯洪、消能空間的喪失，徑流量的增加和匯水時間縮短等。
  7. 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
  8. 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。
  9. Calculation of the loss of runoff for the frozen ground during melting period ; 7

    凍土融解期產流損失的計算； 7流域蒸散發的時變性。
  10. Significant negative correlation was observed between the initial time of runoff incidence, runoff and soil loss under the hedgerow ecosystems and soybean monocropping pattern, with significant positive correlation between runoff and soil loss

    在人工模擬降雨條件下，百喜草、黃花菜植物籬笆生態系統水土保持效應在植物籬笆的生長後期更為突出，而且與雨強有顯著的正相關關系。
  11. Runoff amount in rainy season for different land - use types constituted more than 50 % of annual amount, while the proportion in drought season was less than 17 %. of annual total soil loss amount, the control accounted for 60 % and complex proportions for other lands. however, soil loss amounts in drought season for all lands were lowest in one year

    雨季徑流量均佔全年的50以上，而旱季徑流量佔全年的17以下；而不同土地利用方式的土壤流失量佔全年流失量的比例則較為復雜，對照土壤流失量佔全年的60 ，而其它土地利用方式由於植被覆蓋、耕作和管理措施的季節性可能發生3 6月的土壤流失量小於7 10月的流失量，但旱季土壤流失量所佔比例均最小。
  12. Small watersheds are dominant landscape units of the region as well as runoff production, convergence and sand production unit which reflecting soil and water loss rules. small watersheds are eco - economic compound systems, embodying structure and function of economic and social activities of human being during a certain period time

    小流域既是區域的優勢景觀單元；又是一個產流、匯流、產沙單元，反映水土流失規律；還是一個復合生態經濟系統單元，反映一定時期內人類經濟社會活動的結構與功能。
  13. Because small watersheds are the source of runoff and sediment into big rivers and also the joint of river to overall basin, the established various comprehensive prevention and harness systems in small watersheds are the basic treatments and effective way for controlling soil and water loss

    小流域是大江大河產水、產沙的源頭，是江河與面上聯結的紐帶，在小流域中修建的各種綜合防治體系，是治本清源的做法，是有效防治水土流失的形式。
  14. 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。
  15. Potassium lost by runoff was equal to that lost by bed load in fallow farming system, but in the systems with more sediment such as traditional farming system, grass stripe, and contour ditch potassium loss was mainly through bed load which accounte

    08 ，泥砂流失量和有機碳流失量佔全年流失量的90以上。徑流量和泥沙流失量的大小順序均為無保護性措施、侵蝕嚴重的試驗區5 （ ck ：對
  16. The results of monitoring, from june to august in 2001, showed that the average concentration of nitrogen and phosphorus in runoff varied strongly, the loss concentrations in the cultivated lands such as sweet potato land and orchard land were higher than those in uncultivated lands such as grassland and woodland

    降雨徑流中總氮、總磷平均濃度變異較大，總體說來，紅薯地和園地等有人工耕種的坡地氮、磷流失濃度最大，草地和林地等受人工影響干擾少的坡地流失濃度相對較少，高坡度林地流失濃度大於緩坡林地。
  17. 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。
  18. 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。
  19. 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。
  20. Reducing runoff loss of phosphorus and heavy metals from agricultural fields applied with alum - treated manure

    糞肥添加明礬對降低農田磷和重金屬流失的作用
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