simulated rainfall 中文意思是什麼

simulated rainfall 解釋
人工降雨
  1. 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。
  2. By means of the study the main results are listed as follows : ( 1 ) the results of flume experiment and simulated rainfall experiment with a fixed intensity indicated that, the influencing degree of rainfall on overland flow velocity had something to do with the runoff discharge above and rainfall intensity

    通過研究取得了如下結論: ( 1 )水槽放水試驗和定雨強模擬降雨試驗結果表明,降雨對坡面薄層水流流速的作用與放水流量和雨強大小有關。
  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. The optimum interpolation method is used to estimate radar measured rainfall which then be applied to topmodel to simulate discharge of shiguanhe catchment during the summer of 1998 in game hubex project. comparison of simulated discharges between radar and rain gauge implements over a 1500 - hour series

    運用雷達聯合少量雨量計方法估測流域面雨量,結合game hubex國際合作項目1998年加強觀測期在史灌河流域獲取的水文觀測資料和topmodel進行降水徑流模擬,並與稠密雨量計站網測量的面雨量進行流域出口流量模擬的對比試驗。
  5. The results show that selection of radiation parameterization schemes has distinct impact on the simulated results. the results simulated by the group with detailed long - wave and short - wave radiation parameterization scheme reflect plateau terrain and typhoon, cloud, subtropical high, trough / ridge more particularly and reasonably ; intensity of typhoon rainfall center is improved 1 / 3, there have been some improvements on intensity of the north heavy snow, more approach the observation

    通過對2002年第16號臺風個例和2002年12月19 24日降雪個例的模擬,結果表明:選用不同的輻射參數化方案對模擬結果具有明顯的影響,較詳細的長短波輻射參數化方案組合模擬的各種輻射量和雲對地形以及臺風、副高和槽脊等天氣形勢的反映更加細致合理;降水的預報也更加接近實況。
  6. When r, i, g vary with height at the same time, effect on rainfall amount and hail fallout amount are all bigger, especially, hail fallout amount. another hailstorm occurred in xunyi county, shanxi province on july 9. 1999 is also simulated. by contrasting two different hailstorms in nanjing and xunyi county, we analyze the effect of i variation on nature cloud and precipitation, then we analyze the effect of i variation on mechanism of hail suppression with seeding and seeding outcome in two seeding experiments with agl

    模擬了1999年7月9日陜西省旬邑地區的冰雹雲個例,在只改變模式中_ i取值的條件下,對南京、旬邑兩個不同地區的冰雹雲,對比分析了冰晶譜形變化,對雲和降水的影響,最後又分別用agi進行催化數值試驗,來對比研究兩個不同地區雲中冰晶譜形的變化,對催化防雹影響。
  7. Based on the analysis of the data and information from the field observations and lab experiments, the results were as follows : ( 1 ) the results of the simulated rainfall and runoff erosion experiments in lab. under the design experiment conditions including the constant rainfall intensities of 1. 0, 2. 0, 3. 0mm / min and the rainfall durations of 30, 70 minutes and with soil moisture content 9. 5 % or 10. 0 % for dry situation, as well as with the soil moisture content 19. 0 % or 20. 0 % for wet situation, the soil erosion increased nonlinearly with the rainfall intensity, and the rainfall duration. the results of the experiments indicated that the amount of soil erosion caused by the simulated rainfall and runoff on the dry - soil slope was more than that on the wet - soil slope

    通過實地觀測及室內試驗資料分析,得到如下研究成果: 1 、室內模擬降雨徑流對戧坡的侵蝕試驗研究結果在定雨強為1 . 0 、 2 . 0 、 3 . 0mm min ,降雨歷時30 、 70分鐘,干土含水量為9 . 5 10 . 0 ,濕土含水量為19 . 0 20 . 0的條件下,侵蝕量與雨強成非線性正比關系;雨強大,侵蝕量大;降雨歷時長,侵蝕量也大;堤坡含水量大時,侵蝕量小,堤坡含水量小時侵蝕量大。
  8. The simulated results show that the heavy rainfall and the evolution of the mesoscale system ' s occurrence and development are well described

    模擬結果很好地描述了本次強暴雨及其中尺度系統發生、發展的時空演變過程。
  9. Taken yanjia river watershed as an example, this study extracted watershed digital characters from dem, and simulated rainfall - runoff with the rainfall - runoff model based on gis and wms. the main contents and results include : ( 1 ) the building of the spatial database of watershed

    本研究應用地理信息系統和wms模型系統,以三峽庫區晏家河流域為例,由dem提取流域數字特徵,再與降雨徑流模型有機結合進行了降雨徑流數字模擬研究,主要的研究內容和結果包括以下幾個方面: ( 1 )建立了流域空間數據庫。
  10. With the simulated results of the high resolution of space - time, from the aspects of thermodynamic, dynamical, moist available energy and moist potential vorticity, the direct effect mesoscale system was analyzed to this weather process, including mesoscale low level jet, mesoscale vortex etc. meanwhile, its features and physical mechanism of the formation and development are further discussed to seek for some basis for deeper research and storm rainfall forecast

    運用高時空解析度的模式結果,從熱力、動力結構、濕有效能量和濕位渦等多個角度,著重分析討論了對這次天氣過程有直接影響的低空急流、中尺度低渦等中尺度系統,探討了影響這次天氣過程的中尺度系統的發生、發展特徵和物理機制,試圖為更進一步的研究和暴雨預報提供一些依據。
  11. Based on the theory and method of soil water - dynamics and soil erosion, using the simulated rainfall and double - ring methods, the author systematically studied the soil infiltration law in the slope land of loess plateau

    本文以陜西淳化黃土高原溝壑區和安塞黃土丘陵溝壑區為研究試驗區,應用土壤水動力學和土壤侵蝕學的原理與方法,藉助人工降雨裝置和雙環裝置,通過野外大量試驗與室內分析及計算機模擬等方法,系統地研究了黃土坡耕地土壤入滲規律。
  12. 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。
  13. ( 2 ) the results of the rainfall - affected runoff scouring experiments in lab. when the rainfall intensity was less than l. omm / min, the soil erosion caused by the combination of rainfall and the upslope runoff was more than that caused by only the simulated rainfall. when the rainfall intensity was more than 2. 0mm / min, the upslope runoff strengthened the effect of the runoff yielded in the local area on the dyke slope surface, and the effect increased with an increase of rainfall intensity

    2 、室內模擬降雨+放水沖刷試驗結果雨強小(如i 1 . 0mm min )時,上游注入水量對戧坡侵蝕作用比降雨在戧坡上所產生徑流的侵蝕大;雨強大時( i 2 . 0mm min ) ,上游水量下泄與當地降雨徑流一起增強對戧坡面的侵蝕作用,雨強越大,侵蝕作用也越大。
  14. According to the analysis of the data of field observation and the simulated rainfall erosion experiment in lab, the results showed that there were many differences in the formation mechanism and development processes between the rills and sockets

    3 、水溝、水穴(浪窩)的成因水溝、水穴(浪窩)都是降雨徑流侵蝕的產物。野外實地觀測和室內降雨侵蝕試驗研究表明,兩者在成因和發展過程上存在著差異。
  15. By placing different rare earth elements ( ree ) in different soil depth and different section across one slope in an indoor plot, one simulated rainfall was applied to study the spatial - temporal process both of depth and section erosion across one slope plot simultaneously

    摘要室內交叉布設不同的稀土氧化物,通過人工模擬次降雨,在同一試驗條件下,對坡面侵蝕沿順坡方向和深度方向的演變過程同時展開研究。
  16. 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。
  17. 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。
  18. On the basis of consulting a large number of literatures domestic and aboard, the present situation and latest development of hydrodynamic characteristics of overland flow and slope erosion dynamic process were reviewed. aiming at revealing the effect of rainfall splash intensity on hydrodynamic features of sheet flow and slope erosion, with a combination of runoff experiment and simulated rainfall experiment with a fixed intensity, applying hydrodynamic and erosive theory, the effect of rainfall on overland flow velocity and the influence of rainfall splash intensity on hydrodynamic features ( such as velocity, flow depth, flow patterns, resistance ) of sheet flow on slope and the influence of rainfall splash intensity on the overland flow sediment contain was researched

    本文在查閱了大量國內外文獻資料,全面了解了坡面流水動力學特性及坡面侵蝕動力過程等方面的研究現狀及最新進展的基礎上,以揭示雨滴打擊動能對坡面薄層水流水動力學特性及坡面侵蝕的影響為目標,採用水槽放水試驗和定雨強模擬試驗相結合的方法,運用水動力學與侵蝕理論,研究了降雨對坡面薄層水流流速的影響,雨滴打擊強度對坡面薄層水流流速、水深、流態、阻力等水動力學參數的影響,雨滴擊濺作用對坡面流泥沙含量的影響。
  19. ( 3 ) the results of soil trough experiment and simulated rainfall experiment with a fixed intensity indicated that, the rainfall splash intensity had a remarkable effect on the overland flow sediment contain. during the single rainfall experiment, when the rainfall splash height was less than 5 meters, the overland flow sediment contain would add with the lower rainfall splash height increased ; when the rainfall splash height was more than 5 meters, it would drop with the higher rainfall splash height increased

    ( 3 )土槽試驗和定雨強模擬降雨試驗結果表明,雨滴打擊強度對坡面坡面流泥沙含量有顯著影響。單降雨實驗中,當降雨高度小於5m時,無論雨強大小,坡面流泥沙含量隨雨滴打擊強度的增加而增加;當降雨高度大於5m時,坡面流泥沙含量隨雨滴打擊強度的增加而降低。
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