雨水參數 的英文怎麼說
中文拼音 [yǔshuǐshēnshǔ]
雨水參數
英文
yscs-
Based on the dynamic frame of mm5 and reisner 2 explicit cloud scheme, a new double - moment microphysical scheme was developed, in which both the mixing ratios and number concentrations of cloud water, rain water, cloud ice, snow and graupel were predicted
從本質上說,該方案預報的僅僅是粒子的比含水量。在mm5動力框架內,在其中的reisner2方案基礎上採用雙變參數方案,增加了雲水、雨水、雪和霰的數濃度預報方程。Using the 1ap 3 - d hailstorm numerical model, we analyze influence of variation on rainfall amount, hail fallout amount, dynamical process of cloud, microphysical process, mechanism of hail suppression with seeding, and seeding outcome. besides, we use those study outcomes and bring forward some advice about using and improving model. we simulate a hailstorm occurred in nanjing county and analyze influence of raindrop, ice crystal, graupel size distribution on outcome of model
本文利用中國科學院大氣物理研究所的三維冰雹雲催化數值模式,通過對冰雹雲的模擬和對譜參數的數值試驗結果,分析了冰雹雲中粒子譜形的變化,對雲和降水過程的影響,其中包括雨滴譜、冰晶譜、霰譜的形狀參數對自然雲的發展過程、降雨降雹、雲中微物理過程、霰以及冰雹的形成機制的影響。On the basis of actural engineering projects, discussion is presented of some problems in the design of storm sewer system, such as the decision of design parameters for rainfall reappearing periods and closure multiples, the determination of water - collecting positions, the connecting methods of intercepting storm - sewage system with intercepting main pipes and he calculation of flow capacity of overflow traps
摘要結合工程實際對雨水管渠設計中的設計重現期、截流倍數等設計參數的選擇、雨水集水點位置的確定、截流式合流制管渠與截流干管的連接方法以及溢流井溢流量的計算等問題進行了探討。The inner factors refer to the mechanical behavior such as the rock type, density, construction parameter, etc. and the outer factors refer to the foundation condition, geological condition, valley shape, rise and fall of water level, seepage due to respiration
內因是指堆石料的巖質巖性、密實程度、施工參數等組成壩體的各種力學性質;外因是壩址所處的基礎條件和兩岸的地形地質等條件、河谷形狀、水庫水位的變化、降雨浸潤等因素。This paper evaluates the underground water resources and its safe levels of miming, and then studies the availability of molepipe drainage, a kind of practical underground water regulation technique. starting with the elevation of underground water resources and a safe level of mining through variable system theory, this paper analyzes the conditions of underground water resources based on the well - studied determination method of determining the two hydrographical coefficients : rainfall infiltration replenishment rate and irrigation replenishment rate. then considering irrigation, rainfall, drainage and other related factors, a mathematical model is set up for the calculation of underground water storage, exploitation on water regulation
論文從灌區的地下水資源及其可開采量評價分析方面入手,在對兩個主要的水文地質參數即降雨入滲補給系數、灌溉入滲補給系數確定方法研究的基礎上,對灌區的地下水資源狀況進行分析,依據灌區的灌溉、降雨、排水條件及各種現狀因素,建立了地下水資源量計算的數學模型,西安理工大學工程碩士專業學位論文計算得到青銅峽灌區地下水的最大補給量和可開采量;另外對在開發利用地下水資源過程中的地下水位的調控進行了初步的探討,在銀北灌區開展對暗管排水調控地下水位的試驗研究。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。The host computer system ' s functions are as follows : duplex communicate with automatic station data poll gather to each automatic station save and handle the data format and print diagram based on the gathered data download the parameter to automatic station and adjust the clock dial - up to network and long - distance control automatic rainfall station consists of outer garment, meet rain bucket, water input and output electromagnetic valve, measure bucket, storage battery and circuit control
可以與自動站進行雙向通訊,完成對各個自動站數據輪詢採集並進行存儲、處理,並生成圖表,根據採集的數據形成圖表、列印,可以向自動雨量下載參數、時鐘校準以及遠程聯網撥號和控制。自動雨量站包括外罩、接雨桶、進放水電磁閥、測量桶、蓄電池以及電控部分等部分組成。Thus it makes various weathers at definite region. by analysis physical diagnose quantities, we can easily find that the vertical movement, the vapor transfer, the stability at t - logp chart, all related with the precipitation when rainstorm occurs. they gave plus effects to the rainstorm
通過對物理量的分析可以看出,降水發生時的垂直運動場、水汽通量、 t - logp的穩定度參數等物理量值,非常有利於暴雨的產生、發展和維持,也就造成了這次遼西地區大范圍的暴雨過程。This model regards a grid as a coherent cell ( hydrologic parameters are invariable in a cell ), but parameters vary in different cell. in this way, it can figure out those problems hereinbefore
模型視柵格為水文一致性單元,水文參數在柵格內一致,在相鄰柵格間變化,以此解決流域上產流時間不同步、降雨空間分佈不均勻與下墊面不均一的問題。( 2 ) the method of finite element discrete and optimal parameter back analysis is adopted. ( 3 ) concentrated on the question of high external water pressure of the deep - lying tunnel, the basic theory and method calculating external water pressure are systematically studied. ( 4 ) based on jinping cascade 2 hydropower station, numerical simulation rain infiltration of seepage field under different drainage pattern and grouting pattern are studied, also, the high external water pressure is analyzed and studied and some seepage control measures are put forward
( 2 )採用有限元離散?優化法進行參數的反演分析; ( 3 )針對深埋隧洞的高外水壓力問題,進一步分析和研究了襯砌水荷載及外水壓力的作用機理和計算方法; ( 4 )以錦屏二級水電站深埋長引水隧洞作為本文的主要研究對象,採用考慮降雨入滲滲流場分析的方法對排水方案和灌漿封堵方案不同情況下的滲流場的水頭分佈進行了數值模擬,並對其外水壓力進行了分析和研究,提出了滲流控制的具體措施。Based on the fractal character of the small watershed topographic feature, the spatial and temporal variation character of sediment yield of the watershed model, the dynamic developing process and fractal character of the topog raphic feature of the watershed model, and the coupling relationship between the sediment yield and the topographic feature of the watershed model are " studied by simulate experiment, fractal theory, high precise photogrammetry and gis technology. the validation research is conducted in chabagou watershed where the observation data of rainfall, sediment and runoff for 11 years is collected. the study provides new theory and method for the topographic feature quantitative research in the prediction model of small watershed sediment yield
本文依據流域地貌形態所具有的顯著分形特徵,從模擬實驗出發,利用分形理論和方法,結合高精度攝影測量和gis技術,對流域模型侵蝕產沙時空變異特徵、地貌形態發育過程及其相應的分形特徵、流域模型侵蝕產沙與地貌形態耦合關系進行了深入研究,並以具有11年降雨泥沙徑流觀測資料的岔巴溝流域為例進行了驗證研究,為實現從單坡面侵蝕產沙模擬、預報向流域侵蝕產沙模擬、預報轉化過程中地貌形態參數的提取提供了理論和方法,為黃土高原小流域水土流失綜合治理提供了科學實踐依據。On the foundation of reference researches, through analyzing the condition of rainfall and hydrogeology of tian - tang river in the suburb of south - east of beijing, the mathematical models of the shallow ground water movement were founded. according to the experiment result of pump water and other reference data, the parameter of hydrogeology and ground water were established. on the foundation of present and future trend of using water on industry, agriculture and living, the solution of mathematical models were calculated by the method of finite element
在前人研究的基礎上,本文通過對北京市東南郊天堂河流域降雨、水文地質條件的分析,建立淺層地下水運動數學模型,根據抽水試驗結果並參考有關資料確定水文地質和地下水補給的有關參數,根據工業、農業、生活現狀用水情況及未來的發展趨勢,採用有限元的方法對地下水運動數學模型進行求解。Whether in the aspect of total rain days or total rainfall amount in a year, ya ' an is always an extreme range, which has been called " ya - an - tian - lou " in chinese. the predicted average physical structures in the raining process are as follows : ( l ) positive vortex and convergent center in the lower and middle troposphere and negative vortex and divergent center in upper troposphere ; ( 2 ) the superposition of the low layer zonal - vertical circulation and the up layer zonal - vertical circulation forms a strong upward current
從6種不同方案對暴雨過程預報的實驗看,不同的邊界層參數化方案對雨帶特徵的模擬都具有一定的能力,同時模式模擬的降水對參數化方案的選取是敏感的,不同的參數化方案模擬出的降水范圍和雨量分佈有所差異,主要表現在降雨量中心強度及雨區分佈上。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。First, the hydrogeological conditions and characteristics are gathered up and the hydrogeological concept model is generalized. next, through collecting completely and analyzing systematically the rainfall, evaporation, surface runoff and observation datum of the groundwater water level, all hydrogeological parameters of this area is defined, then mathematical model of groundwater of dagu river is built
首先概括大沽河地下水庫的水文地質條件與特徵,概化出該區水文地質概念模型,然後通過全面收集和系統分析研究區的降雨、蒸發、地表徑流、灌溉和地下水水位常觀資料,確定該區的各項水文地質參數,進而建立了該區地下水的數值模型。分享友人