有效降雨量 的英文怎麼說
中文拼音 [yǒuxiàojiàngyǔliáng]
有效降雨量
英文
effective precipitation- 有 : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
- 效 : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
- 降 : 降動詞1. (投降) surrender; capitulate 2. (降伏) subdue; vanquish; tame
- 雨 : 雨名詞(從雲層中降向地面的水) rain
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 有效 : effective; valid; efficacious
- 降雨量 : rainfall
- 降雨 : rainfall降雨持續時間 time of the duration of rainfall; 降雨歷時 rainfall duration; 降雨時數 rainf...
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The accumulation and transportation of moist available potential energy and the release of the condensation heat offer the material condition for this heavy rainfall. under the condition of the air ' s movement through the stiff moist isentropic surfaces, the development of vertical vorticity of mesoscale low vortex system is accelerated due to the slantwise vorticity development, and to form stronger convective system, so as to result in heavy storm rainfall
濕有效能量的積聚和輸送為強降水的發生、發展提供了充分的物質條件;由於沿陡立等熵面的空氣上滑運動,因傾斜渦度發展造成了中尺度低渦系統垂直渦度迅速增加,促進了低渦的快速加強,形成強對流系統,導致強暴雨過程的發生。( 5 ) parameterization of infrared satellite cloud imagery and its application in rainfall predication obvious correlation exist between the probability of rain and parameterization estimate such as average brightness temperature ( tb ), brightness temperature variance ( f ), equivalent cloudage ( cn ), brightness temperature area index ( al - the first a5 - the fifth grade, a6 - the sixth grade )
( 5 )衛星雲圖參數化及在降雨預測中的應用紅外衛星雲圖參數化估計值,與局地降雨過程的發生、發展具有較為密切的關系。相關較密切的參數有平均亮溫、亮溫方差、等效雲量、亮溫面積指數( 1級、 5級、 6級) 。Proceeding with the analysis of water resource peculiarity of jilin province, the authors bring forward that effective gathering and using of rainwater can supplement the gross amount of rainwater in valley, probe into rainwater resources use in jilin province : first is to make rainwater resources use plan in valley program, secondly is to construct gully dam system according to water and soil conservation project, to strengthen sloping field collection rain ' s project and forest - grass construction, to increase storage space, thirdly is to fully utilize field project and water conservancy project to gather rain water, intercept rainfall on the spot so as to restore water environment
摘要從吉林省水資源特點分析入手,提出了雨水資源的有效集蓄利用是補充流域水資源總量不足的重要因素,探討了在吉林省雨水資源主要利用途徑是首先在小流域規劃中作好雨水資源利用規劃;其次是建設以水土保持治溝骨幹工程為主的溝道壩系,強化坡面集雨工程和林草植被建設,增大貯水空間;第三是充分利用田間工程和水利工程集雨蓄水,使降雨就地就近被攔蓄,最終使水環境得以修復。Abstract : in accordance with the problems in the system of well storing rainfall at present, based on the experiments of artificial simulating rainfall, and assistance with the measures of natural rainfall, the relationships among the surface runoff yield, silt concentration, catching runoff efficiency and the material of surface, slope gradient, rainfall intensity are analysed systematically. then, the best slope gradient and material of surface are chosen, in condition of which surface rainfall yield is the largest and silt concentration is the smallest. this is a beneficial study for the practical use of the rainwater catchment plot in furture
文摘:針對當前旱井集雨系統存在的問題,利用人工降雨試驗,並輔以天然降雨觀測,系統分析了旱井集流區的產流量、含沙率、集流效率與下墊面材料、坡度、降雨強度的關系,進而選出了最優坡度及最優下墊面材料,為今後旱井集流區的應用研究做了有益的探討。The precipitation frequencies is analysed according to 1956 ~ 2000 years of rainfall record series in baoding area. the features of distribution of rainfall are detailed evaluated. firstly, the distribution of monthly precipitation is not even. for instance. the annual rainfall amount is about 548mm in whole year, about 80 % of them in summer season. secondly, yearly variation of rainfall is greater. thirdly, the abundant years usually are followed by short years, but the important changes have taken place in the last decades. before 70 ' s the abundant years took the dominant position, from the 70 ' s to the middle of 80 ' s the short years took place more frequently than ever. after the later of 80 ' s, the short years hold the main position. the above knowledge is instructive for guiding the rainwater resources effective utilization
本文利用1956 2000年保定市的長系列降雨資料,對保定市降水量進行了頻率分析、年內變化分析和多年變化分析,明確了保定市降水量年內、年際間的變化情況:保定市降水量年內分配不均,汛期( 6 - 9月)占年降水量的81 。保定市降水量年際間變化大,豐水年和枯水年交替發生, 70年代以前以豐水年段為主; 70年代到80年代前期降水量豐枯交替頻繁,總的接近於枯水年段; 80年代後期至今以枯水年段為主。這種降水分佈規律對農業生產雨水資源的高效利用具有重要的指導意義。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。Based on the analysis of crop structure and crop yield according to the statistic data in 1949 ~ 2000 year. the total water consumption of main crops and the amount of rainwater utilized have been calculated. the rapid increase in water demand for crops production after the late eighties is the one of main reasons of the water resources crisis in baoding area. the efficient precipitation, the water demand and the deficiencies of main crops in different typical years and in different growth period in baoding plain have been studied in detail. the factors of water use efficiency of different crops have been put forward through the analysis of test data in typical year
本文利用保定市1949 2000年主要農作物的種植面積與產量統計資料,在分析了歷年種植結構變化、單產變化的基礎上,明確了歷年糧食總產變化情況,計算了歷年糧食生產的總需水量及其變化;根據農作物的雨水資源的變化規律,分析了歷年用於糧食生產的有效降水量;得出了保定市農業用水量從90年代中後期大幅度增加而有效降雨量的明顯減小,是造成保定市水資源供需矛盾突出的主要原因之一。Hourly rainfall information derived from weather radars and raingauges is routinely ingested into the model for more effective simulation of rain systems fig. 4, allowing forecasters to make useful reference of the quantitative precipitation forecasts and precipitation trends provided by objective model guidance
運作后,天氣雷達及雨量計的每小時雨量分析數據定規地被放到模式內圖表4 ,讓模式更有效地模擬降雨系統的演變,為預報員提供極具參考價值的定量降雨預報和降雨趨勢的客觀指引。The analysis of dry pv shows that the high pv dominate the area of typhoon, the higher is the center value of pv, the stronger is the typhoon. lt is also shown that the most important reason resulting in rainstorm is the cold air ( high pv ) which spreads to south from the upper troposphere or lower stratosphere and transports into the warm air. the joining situation of upper and lower pv area make vortex develop. pv transpotation reduces static stability, which increases the releasing of instability energy and makes rainstorm amplify
對干位渦的分析表明:臺風或臺風環流區為高值位渦區,臺風越強,位渦中心值越大;對流層上部或平流層下部冷空氣(高位渦)的擴散南下與暖濕氣流的交匯是造成特大暴雨的重要原因,因為上游斜壓性的發展使對流層頂發生折疊,平流層與對流層相互作用增強,上下位渦區相接的形勢使低層渦旋發展,上升運動加強,位渦的下傳有效地降低了靜力穩定度,有利於位勢不穩定能量的釋放,使得暴雨增幅。Soil ph, available n and mg increase on burnt sites following the first rainfall, however, soil organic matter, total n, total p, k and ca decrease
火燒跡地在降第一場雨後土壤ph值升高,有機質減少,全氮、全磷、鉀、鈣等含量減少,而有效氮、鎂含量增加。( 4 ) according to analysis of water resources characteristics of the dam system, following conclusions are obtained : amount of yearly available water resources of the dam system presents uncertainty ; water resources utilization by the dam system should focus on fully utilization of rainfall, runoff and flood ; meanwhile, water resources exploration of the dam system should reach the objective of maximum economic benefit in years ; a modeling system for water resources utilization and exploration by the dam system is established on the basis of reasonable investment and above objectives
對壩系水資源的特點進行了深入研究,得出以下結論:壩系水資源年可利用量具有較大的隨機性;開發利用壩系水資源就是充分利用降雨和徑流洪水;壩系水資源開發應以多年經濟效益總體期望值最大為目標。同時引入了最佳水資源投入量的概念,並建立了壩系水資源開發利用模型。The cornfield experiment showed that pam could significantly reduce runoff and increase infiltration of rainwater and increase soil water content
田間試驗表明, pam能夠有效地減少土壤表面的徑流量,增加土壤的降雨入滲, pam覆蓋率越高越有利於降雨的入滲。Research in the translocation and transformation of phosphorus in soil - water system is of importance to environmental p management and controlling the eutrophication. a series of experiments and investigations in this paper were conducted to study the changes of p pool by a long - term applying fertilizer p, the translocation and transformation of phosphorus between interface of soil and water in relation to their environmental effects, using the upland fields from yellow soil area of guizhou province
在貴州中部地區,通過對有代表性的黃壤旱地進行采樣分析和盆栽試驗,對其磷庫變化及其環境影響進行了研究,同時採用無界徑流小區試驗、野外坡面徑流小區試驗以及模擬降雨徑流試驗對坡旱地地表徑流中磷的含量水平、形態特徵、生物有效性、遷移規律、磷流失量及其影響因素進行了研究。A method for rainfall - induced landslides prediction based on logistic regression and effective antecedent rainfall
回歸及前期有效雨量的降雨誘發型滑坡預測方法The assimilation experimentation results indicate that after assimilating radar wind field of small spatial scale, mesoscale and small - scale precipitation prediction can be improved and mesoscale and small - scale information which ca n ' t appear by tradition datum can be gained, which is valuable to analyze the mesoscale and small - scale system structure ; the effect assimilating radar humidity field is n ' t obvious, which is perhaps correlation with precipitation types and assimilating time. the results also show that adding radar humidity field to initial condition at initial time can supply the gap of the regular data in reflecting the mesoscale and small - scale systems, strengthen the humidity in the initial field, and eventually help to improve precipitation. the experiment of assimilating radar wind field and radar humility field at the same time shows that vapor transportation and local vapor divergence play more significant role in causing excessively heavy rain than only high wet center
同化試驗結果表明:同化空間解析度很高的雷達風場后,能改善中小尺度降水的預報效果,並且能夠得到常規觀測資料所不能得到的中小尺度信息,對分析中小尺度系統結構具有重要意義;同化雷達濕度場效果不明顯,可能與降水類型和同化時刻有關;而直接在初始時刻加入雷達濕度場,補充了常規資料在反映中小尺度系統方面的不足,增強了初始場中的水汽,有利於降水量的增加;同時同化雷達風場和雷達濕度場的試驗表明,水汽的輸送和局地的水汽輻合對于產生特大暴雨的貢獻遠大於僅有高濕中心的貢獻。Because the evaporation is great more than rainfall, and the ground water is deep, soil water is always in the step of wane condition and the soil nutrient are also leanness and available nutrients are scantily, which makes the eco - environment of the plateau very fragile
由於蒸發潛勢遠大於降雨量,而地下水埋藏又很深,致使土壤水分經常處於水分虧缺狀態,加之水土流失嚴重,土壤貧瘠,基礎肥力低,有效養分缺乏,生態環境十分惡劣。Research on retrieval of gps water vapor and method of rainfall forecast are keen field which draws all attention from wide world. the dissertation is accomplished on the basis of sino - italy collaborative project - ' the integral system of flood risk programming, monitoring and real time forecasting " and the primary achievements and conclusion reached include : ( 1 ) a reasonable design has been made for gps water vapor monitoring network according to the theory of gps satellite signal propagation and vertical distribution of water vapor and local synoptic characteristic of binjiang basin, the effective area where water vapor can be detected by gps station has been determined under different cut - off angles. the conclusion has been reached that 3 ~ 4 gps receivers are enough for water vapor monitoring in binjiang basin
Gps水汽反演和降雨預報研究是當前氣象遙感應用的一個前沿探索領域,本論文依託于中意科技合作項目「洪水風險規劃、監測和實時預報的集成系統」 ,主要成果體現在以下方面: ( 1 )提出了一個合理的gps水汽監測網設計方案根據gps衛星信號傳播原理和水汽垂直分佈規律以及流域天氣的地方性特徵,確定了不同高度截角下一個gps站所能測定大氣水汽含量的有效范圍,得出了濱江流域只需要3 4個gps接收機就足以反映流域水汽變化的結論。分享友人