雨水徑流系數 的英文怎麼說
中文拼音 [yǔshuǐjìngliúxìshǔ]
雨水徑流系數
英文
runoff coefficients stormwater- 雨 : 雨名詞(從雲層中降向地面的水) rain
- 水 : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
- 徑 : Ⅰ名詞1 (狹窄的道路; 小路) footpath; path; track 2 (達到目的的方法) way; means 3 (直徑的簡稱...
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 數 : 數副詞(屢次) frequently; repeatedly
- 雨水 : 1. (降雨而來的水) rainwater; rainfall; rain 2. (節氣) rain water (2nd solar term)
- 系數 : [數學] coefficient; ratio; modulus; quotient; factor
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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。In order to calculate quantitatively the process of rainfall - runoff, the css model of zhang cha catchment is developed based on epa ’ s swmm ( storm water management model ) in this paper. and then calculate cso spill water quality 、 spill volume and spill time at different intercepting ratio using the developed swmm, and analyze the effect on them by intercepting ratio
為了實現上述降雨?徑流過程的定量計算,本文引入美國環保局的城市暴雨水管理模型( swmm )建立了佛山市張槎排水區的合流制排水系統模型,使用該模型計算了不同截流倍數時溢流污水的水質、水量以及溢流時間,並分析了截流倍數對它們的影響。Climate in this valley changes sharply with vertical difference and rainfall increases with the height. calculation indicates that the design day rainstorm amount reaches 133mm, the rainfall intensity of day storm reaches 6. 05mm / h, the design storm peak discharge is 239. 7m3 / s and 753. 0
在計算泥石流峰值流量時,因考慮到泥石流固體物質的前期含水量、泥石流堵塞斷流增加的暴雨徑流量、泥石流間歇性陣流的迭加流量都會使泥石流流量增加,需要在計算公式中引入一個泥石流流量積累系數。And we have got the following result : 1. the technique of storing water in soil in gneiss area of tai - hang mountain : the more water in soil before rain is, the less water capability of soil is, the time shorter of water flowing from soil is, the easier the water flows on the ground ; the soil capability of reserving water of different soil thickness is terrace > acacia land > pine land > grass land, so the soil is more thick, the soil capacity which contains water is more large ; the accumulated water that flows on the ground is remarkable related with the logarithms of rain time
太行山片麻巖區土壤蓄水規律:雨前土壤含水量越高,土壤可蓄水量越小,出流所需時間越短,容易形成地表徑流;不同土層厚度的土壤蓄水量為:梯田刺槐林地油松林地草地;累積地表徑流量與降雨時間的對數呈顯著正相關,擬合方程為w = a + blnt ,相關系數均大於0 . 92 ,即在降雨強度一定的前提下,降雨時間越長,累計地表徑流量越多。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。Lesson engineering measure for research mainly from the sloping fields flow recycling potential analysis with gathering the water technique the both side collecting the region ' s rain - storm flood the data, year declining the water year the flow the data and water and soil conservation data, analysis combine intoing the small river valley flood the path comparing coefficient, water and soil conservation not flow coefficient, revising the new concept of deep etc. flow of year path, establishing synthesizing solving the sloping fields flow recycling the potential computing the model, bring upping gathering the water technique is with the
課題研究主要從坡地徑流資源化潛力分析和集水技術兩方面入手,以典型區域為代表,收集了該地區暴雨洪水資料、年降水年徑流資料及水土保持資料,分析並引入了小流域洪徑比系數、水土保持不產流系數、修正年徑流深等新概念,建立了綜合解決坡地徑流資源化潛力計算模型,提出了集水技術的工程措施和方法。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。Through the statistics and analysis of runoff and amount of sand lost in the downstream of weihe in recent years, it is discovered that in the downstream of weihe the magnitude sand season was ahead of the main flood season relatively within the year ; variation tendency of annual runoff and amount of sand lost was identical basically, and the quantity of water and sand at huaxian gauging station was tailing - off continuously from the 1960 to 2005 ; there was direct relation between the situation of rushing or silting deposits and rainfall at this section of the river : the river depositing in the year which is rich rainfall, the eroding in the poor rainfall
摘要本文通過對近6年渭河下游水沙量數據的統計和分析得出,渭河下遊河段年內多沙期較河流主汛期有所提前;年徑流量和年輸沙量的變化趨勢基本一致,而且自60年代至2005年華縣站的水沙量持續呈遞減趨勢;河流的沖淤情況與該河段的降雨量有著直接的關系,當年平均降雨量小的時候河流以淤積為主,當年平均降雨量大的時候河流以沖蝕為主。分享友人