rainfall factor 中文意思是什麼

rainfall factor 解釋
降水因素
  • rainfall : 下雨,雨量。
  • factor : n 1 〈英國〉經銷人;(代客買賣收取傭金的)經紀人;代理商;代辦人;〈蘇格蘭語〉 土地經管人。2 要素...
  1. It was shown from the result of analysis and comparison that the evaluation efficiency for the non - randomized cloud seeding operations could be improved by using appropriate physical covariate as control factor and increasing the correlativity between rainfall distributions in the control area and target area

    比較分析的結果表明,只要不斷提高對比區和影響區的相關性和引入新的更有效的協變量,就可能提高非隨機化作業的效果評估效率,從而更好的檢驗人工增雨作業的效果。
  2. Meanwhile, an artificial imitation rainfall system was developed in order to study the characteristics of city underlying surface and make experimental check up about the relative appraising index, on which 200 rainfall experiments are made, analyzing the effect of rainfall intensity to the runoff of underlying surface ; the relationship between runoff permeability and unit factor of rainfall intensity and duration ; the effect of rainfall intensity, duration, soil moisture content, and temperature to the runoff permeability ; the relationship between rainfall quantity and runoff permeability, and make mathematical imitation to the expe rimental results, to find the mutual - relationships, and make discussion about the differences between equations of fit

    同時,為研究城市下墊面的產匯流特性研製了一套人工模擬降雨系統,並對相關評價指標進行了實測校驗。在此基礎上,進行了200多場降雨實驗,分析了雨強、歷時、土壤前期含水量、溫度、降雨量、不同下墊面和不同覆蓋度等對產匯流的影響,及各種因素對徑流系數的影響和相關性,建立了一定條件下歷時徑流系數,雨強徑流系數,流量徑流系數的函數模型。
  3. This exceptionally dry month was the main contributing factor of the below - normal annual rainfall. the very dry weather in july was associated with the ridge of high pressure over the pacific being exceptionally strong and extending west to cover south china, bringing a long spell of fine weather to hong kong from late june to late july

    這主要是由於二零零三年七月是有紀錄以來最少雨的七月份,只有正常雨量的三分一左右,在六月底至七月底期間一道異常強大的高壓脊由太平洋向西伸展覆蓋中國南部,令香港長時間持續天睛。
  4. In light of current using situation and drawing on the experience of many scholars researched methods and viewpoints, this thesis made com land, fallow land, orchard, grass land as experimental field in black soil region jlau, which carried out experiment by applying different amounts of n and p fertilization in corn field. by means of collecting the samples of rainfall runoff, erosion silt and surface layer soil before and after rainfall for one year nature precipitation in field, we study the effect of surface runoff on n and p nutrient and fertility degeneration. the results showed : ( l ) there are lots of factors which affect soil erosion and losses of n and p, in which rainfall and rainfall intensity were more important, while rainfall intensity is the most important meteorological phenomena factor

    針對當前黑土利用現狀,本文借鑒眾多學者的研究方法和觀點,在吉林農大黑土區選擇利用方式不同的玉米地、休閑地、果園、草地,在玉米區進行了不同數量的施肥,通過野外試驗,採集一年自然降雨產流及泥沙樣品,同時採集降雨前後的耕層土壤樣品,研究了黑土區地表徑流對氮磷養分特徵及肥力退化的影響,結果表明:土壤侵蝕和氮磷的流失受諸多因素的影響,降雨量、降雨強度是重要因子,而降雨強度是影響農田地表徑流養分流失的最重要的氣象因子,特別是暴雨,暴雨徑流中氮磷濃度較平時高得多;隨作物生長,覆蓋度逐漸增加以及不同利用方式下表現的覆蓋度差異,氮磷流失都表現為顯著的差異。
  5. As for western mountainous area of beijing, the key factor of survival lies in whether it can stand the drought environment factors, such as less rainfall, higher air temperature, lower humidity and less soil water, etc

    就北京西部山區而言,林分存活與否的關鍵在於其是否能夠經受住春季降雨少、氣溫高、濕度低、土壤殘留水分少等乾旱環境的考驗。
  6. Based on rain drop size distribution ( dsd ) data measured in qingdao, guangzhou and xinxiang, the radar reflectivity factor z for spherical rain drops, the radar reflectivity factor zh and differential reflectivity zdr for oblate ellipsoid rain drops have been calculated. the relation of reflectivity and rainfall rate for conventional meteorological radar and the relation of reflectivity, differential reflectivity and rainfall rate for multiparameter radar are regressed, the performance difference of two kinds of radar for measuring rainfall and difference for measuring rainfall in different regions are also discussed

    基於我國青島、廣州和新鄉地區雨滴尺寸分佈數據,計算了球形雨滴雷達反射因子,橢球形雨滴雷達水平極化反射因子和差分反射率,回歸給出了這些地區的常規氣象雷達反射因子與降雨率的經驗關系和多參數雷達水下極化雷達反射因子、差分反射率和降雨率關系,並對其測雨精度和地區差異進行了比較。
  7. Grounded on analysis of the interior factors ( such as valley - side slope structure, stratum structure, fissure without displacement, loess microstructure and shearing strength, etc. ) and exterior factors such as rainfall, earthquake and so on, it is proved that human ' s cutting a terrace of building houses in the loess slope is the main factor of inducement of the landfall

    對谷坡結構、地層結構、節理、黃土的顯微結構特徵、黃土抗剪強度等內部因素和人為斬坡、降雨、溫差等外部因素進行了定性分析。結果表明人為斬坡平基建窯是導致此類崩塌的主導因素。
  8. Analysis of rainfall - runoff factor change of the source regions of the yellow river with supporting of gis

    支持下的黃河河源區降水徑流要素變化分析
  9. The primary factor of soil erosion is the erosion of yanshan period granite, the secondary factor is heavy rainfall, and the inducing factor is human activity

    水土流失產生的主導因素是燕山期花崗巖分佈的丘陵區巖體結構遭到破壞;從屬因素是持續強烈的降雨,從而加劇了水土流失;激發因素是人類工程活動對地質環境的破壞。
  10. On the basis of analyzing factor ( soil particle composition, soil bulk density, water stable aggregate content, antecedent soil moisture, slope gradient, rain intensity, accumulation depth and soil crust, soil and water conservation tillage measures ) affecting soil infiltration rates, several relation models was obtained ; analyzed in detail different soil and water conservation tillage measures intensifying infiltration rates, while there have the same rainfall condition, the increasing infiltration rates of contour tillage and artificial digging and artificial hoeing in gully areas of loess plateau are 67 % and 41 % and 29 % ; the increasing infiltration rates in hilly areas of loess plateau is 45 % and 22 % and 14 %

    在相同的降雨條件下,黃土高原溝壑區等高耕作與直線坡相比,可提高入滲67 ,人工掏挖可提高入滲41 ,人工鋤耕可提高入滲29 ;黃土丘陵溝壑區等高耕作可提高入滲45 ,人工掏挖可提高入滲22 ,人工鋤耕可提高入滲14 。並根據黃土高原超滲產流的概念和水量平衡方程,建立了不同水土保持耕作措施強化入滲速率模型。
  11. The equation is y = a ebx, the interrelated coefficients are all larger than 0. 95 ; when the rainfalls are close, the volume of the surface runoff increases with the intensity of rainfall and the volume of the surface runoff is remarkable related with the maximum rain intensities of 30 minutes ; with the effect on rain harvesting acreage, the cover rate of the plants, the gradient, and the average soil thickness, the cover rate of the plants and the average soil thickness are the important factors which can affect the volume of rain harvesting. and the average soil thickness is the dominant factor. in order to get good result, we must choice the slope which the cover rate of the plants is low and the average soil thickness is thin, meanwhile increase the rain - harvesting acreage

    太行山片麻巖區坡面集雨規律及集雨技術:集雨量與降雨量呈顯著正相關,並且在降雨量大於17 . 6mm時,集雨量隨降雨量的增加呈指數形式增加,擬合方程為y = ae ~ ( bx ) ,相關系數均大於0 . 95 ;降雨量相近的條件下,徑流量隨降雨強度的增大而增大,且在片麻巖山地, 30min最大雨強是影響產流的關鍵因子;在集雨面積、植被覆蓋度、坡度以及平均土層厚度等因素的共同影響下,植被覆蓋度和平均土層厚度是影響集雨量多少的主要因素,其中平均土層厚度是主導因素;而要想取得良好的集雨效果,必須在選擇植被覆蓋度低、坡面土層厚度薄的坡面的同時,加大集雨面積。
  12. Through the dome runoff sediment deposition trial in three experiment stations including ningcheng, helin, dongsheng in inner mongolia, using the way of data analyzing, whether the relationship of representative influencing factor of soil erosion and the amount of soil erosion of sloping farm land in loess hilly in inner mongolia during once rainfall is exist and how much is the degree of correlation

    摘要通過對內蒙古寧城、和林、東勝三個試驗站進行坡面徑流泥沙試驗,採用數據分析法,研究內蒙古黃土丘陵區坡耕地在一次降雨中各典型影響因子與土壤侵蝕量之間是否存在相關關系及相關程度問題。
  13. The model should be coupled with other model such as random rainfall model, evapotraspiration model etc, and avoid subject factor effect. the aim is to evince accurately general law of caco3 deposition, provide scientific basis for making strategic decisions on soil management and environment protection

    同時,所建模型有待于結合影響caco _ 3淀積綜合因素的其他因素模型如隨機降水模型、蒸散模型等( marion等, 1985 )建立耦合系統模型並加以改進完善,避免主觀因素影響,使其能準確地反映caco _ 3淀積的一般規律,指導土壤管理和環境保護。
  14. Study shows that great rainfall influences soil slope safety factor markedly, magnitude of rainfall intensity has a great influence on slope safety factor for steep slope under certain coefficient of saturated conductivity, the surface plant roots affect unsaturated zone seepage field distribution and postpone unsaturated zone moisture content ' s increase, so the soil slope safety factor is enhanced finally

    分析結果表明,在土體飽和滲透系數一定的條件下,強降雨對土坡穩定系數影響顯著;土坡越陡,降雨強度大小對土坡安全性影響就俞顯突出;土坡表層植物根系的存在影響非飽和區滲流場分佈,可以延緩非飽和區含水量的增大,土坡穩定系數得到提高。
  15. ( 1 ) in newly - constructed stage and early stage of reclamation, the most important factor of runoff is 30min rainfall intensity. in later stage of reclamation, the most important one is 45min rainfall intensity. and the runoff capacity is the most important influence factor to soil erosion always ; ( 2 ) on the certain degree, loosening surface has an active function to infiltration condition but not to conserve soil ; ( 3 ) the most runoff is formed on platform of stackpile and the soil erosion often happens in the slope ; ( 4 ) stone - soiled dumps have an advantage over soil at respect of erosion resistance so that soil is not adapt in covering slope ; ( 5 ) grass has a better role in conservation of water and soil than arbor in early stage of reclamation ; ( 6 ) arbor - arboret - hemp mix is the best model for conservation

    結果顯示:在未復墾時期和復墾初期, 30min降雨強度對徑流影響最大,復墾後期徑流與45min雨強相關性最強,而徑流量對土壤侵蝕量的影響始終最大;通過疏鬆地表巖土只在一定程度上改善地表的入滲條件,並不能起到保土的作用;平臺為徑流的主要形成區,而土壤侵蝕主要集中在斜坡;土石混排坡的土壤抗蝕性比覆土坡的要大得多,在排土場形成過程中不宜用厚層黃土覆坡;在復墾初期,純草模式水土保持效果明顯好於純喬模式。
  16. Through rainfall simulating under laboratory, and making slice of sampling, the project researched in the soil crust development, and studied the dynamic rule of erosion factors which were raining and soil erosion factors during soil crust development. in the same time, the research was to find the critical condition of all factors in the process of soil crusting, and to filter the critical factor that could affect soil surface crust

    本文採用人工模擬降雨方法,通過采樣製作土壤切片,觀察分析表土結皮在不同條件下發育的微形態特徵,研究降雨、土壤等侵蝕產沙因子在表土結皮發育過程中的動態響應規律,界定表土結皮發育過程中各因子的臨界條件,篩選有關土壤顆粒組成、結構特徵等物理化學性質對表土結皮形成影響的關鍵因子。
  17. Long - term change in rainfall is a factor for consideration in the planning of disaster mitigation

    雨量的長期變化,是防災策劃的一個考慮因素。
  18. Research on rainfall - runoff erosivity factor of main city zone of chongqing

    重慶市低溫冷害的分類與指標及其時空分佈規律研究
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