雨量指數 的英文怎麼說
中文拼音 [yǔliángzhǐshǔ]
雨量指數
英文
pluvial index-
According to the least twin multiplication to calculating the sensitivity index in several water production functions. thus, the writer obtains the fitted the value of the sensitivity index and the varied rule. at the same time, the writer puts forward a new method named rag a ( real coding based accelerating genetic algorithm ) and combines raga with dpsa to calculating the best irrigation system under the non - sufficient irrigation of well irrigation rice in sanjiang plain
根據《隨機水文學》理論中的時間序列分析法,建立了適合三江平原井灌水稻需水量預報的非平穩時序隨機模型;通過分析降雨隨機特性,選定季節性時序隨機模型,建立了適合三江平原井灌水稻降雨預報的月平均降雨模型;根據最小二乘法,計算出幾種常用水分生產函數中的敏感指數及敏感系數,進而得到三江平原適宜採用的水分生產函數漠型及模型中敏感指數的變化規律;本文提出遺傳動態規劃法( raga ? dp ) ,即採用改進的基於實數編碼的加速遺傳演算法( realcodingbasedacceleratinggeneticalgorithm ,簡稱raga )與動態規劃法( dpsa )相結合,推求非充分灌溉條件下三江平原井灌水稻的最優灌溉制度。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。( 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) 。Most complete wireless weather coverage available : high and low day temperature in celsius or fahrenheit, weather type icon and text, real feel ( rf ) temperature ( what temperature really feels like ), wind direction, gust and speed in mph, km / h or m / s, uv index ( the sun ' s ultraviolet intensity level ), amount of day precipitations in in, cm or mm, pressure, visibility and more
最完整的無線天氣覆蓋可以利用:攝氏和華氏的溫度高低,天氣類型圖標和描述,實際感覺到的溫度(真正你感覺到的溫度) ,風向,風力和風速,時速或秒速,紫外線指數(太陽紫外線強度等級) ,降雨雪量精確到英寸,厘米,毫米,壓力可見的描述,還要其他的嗎( 4 ) the correlations are significant between the sth position index and the general circulation. in the westerly ( easterly ) year, equatorial westerly is weaker ( stronger ), cross - equatorial flow is weaker ( stronger ), south china sea summer monsoon is weaker ( stronger ), the yangtze river valley westerly is stronger ( weaker ), which has the positive ( negative ) effect on the maintenance of rain band over the yangtze river valley, so the rainfall is more ( less ) in this area and it is hit by floods ( droughts ), vice versa
( 4 )本文運用定義的副高指數研究了六月份副高偏東偏西年份的大型環流特徵及其對我國東部天氣的影響,風矢量場和相關場分析結果表明:副高偏西(東)年,赤道西風減弱(增強) ,越赤道氣流偏弱(增強) ,南海夏季風偏弱(強) ,而長江流域西風增強(減弱) ,有(不)利於雨帶在江淮流域維持,該地區降水偏多(少)易澇(旱) 。By surveying the sample plot, the relations between the stabil ity of the mountai n slope of soil preparation for planting by using explosion and other factors s uch as precipitation, terrain , were studied. by using the method of quantitative t heory i, the interrelation between the damaged degrees of soil preparation progra ms by using explosion in low mountain area with abundant precipitation and terrain factors was systematically analysed, and the mathematical models relate d were developed. the results show that the precipitation in early days and the m aximum precipitation per day are the primary factors causing the soil prepara tion program damaged. the main terrain factors of the mountain slope that affect the program stability are according to their importance, slope, position and dir ection. the suitable mountain slope for soil preparation by using explosion is th e slope of less than 25
通過典型標準樣地調查資料,探討了造林爆破整地工程的坡地穩定性與降水、地形等因子的相互關系,應用數量化理論,對在有充分降水條件下的低山丘陵區的爆破整地工程損失程度與地形因子之間的關系進行了系統分析,並建立了相應的數學模型,研究指出,充分的前期降水和日最大降雨量是引起爆破整地工程損失的激發因素;影響爆破整地工程穩定性的主要地形因子是地面坡度,其次為坡位、坡向,實施爆破整地工程的地面坡度以不超過25為宜。The elements of vorticity, divergence, specific humidity, moisture flux divergence and k index etc. were benefited to the form and development of storm rainfall over the rainfall region
降水區上空的渦度、散度、比濕、水汽通量散度、 k指數等要素有利於暴雨的形成和發展。The results indicate that : only with a few rain gauges to adjust the radar estimated rainfall, authors could simulate the runoff as good as that from rain - gauge - network - measured rainfall ; the accuracy of radar rainfall estimation to heavy rain acts as a more important role than that of light rain ; the estimation error of amount precipitation over a period can be treated as an index for runoff simulation ability
在1500小時時間序列的比較試驗表明,雷達估測面雨量和雨量計測量的面雨量都能較好地模擬每小時流域出口蔣集的出流量,數值試驗還表明,雷達估測面雨量在某一時段上的均值誤差作為一個指標可以較好地反映其應用於降水徑流模擬時的精度總雨量和強降水的估測精度是雷達估測面雨量能否用於徑流模擬的關鍵。Guide to the acquisition and management of meteorological precipitation data - specifcation for raingauges - tipping bucket gauges
氣象降水數據的獲取和管理指南.雨量計的規范.傾杯式雨量計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 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。By analyzing the rainfall data of 20 hydrological stations in the miyun reservoir basin from 1970 to 1993, the relationship between 45 heavy rainfall events and synoptic situations, nwf outputs, the forecast indexes and synoptic patterns are put forward, and 24 - hour heavy rain forecast equations of june, july, august in the miyun reservoir basin are developed
通過整理1970 - 1993年24年間水庫流域內20個水文站雨量資料,分析45個暴雨天氣樣本與歷史天氣形勢和數值預報產品的關系,篩選出預報指標和預報因子,使用數值預報產品的解釋應用方法,根據天氣環流形勢的分型,分別組建了6 、 7 、 8月每個月份的未來24小時暴雨天氣預報方程。For settle a great deal popularize and apply exterior wall coating, this paper study on acid rain - resistant, pollute - resistant, false accelerated aging - resistant of them. therein to, acid rain - resistant test is acid rain simulate test by environment quality data in chongqing. ph value is partly 0. 690, 0. 610, 0. 613, 0. 453
為了解決重慶市外墻塗料不能大量推廣應用外墻塗料的重大難題,本文主要試驗研究三種不同主要成膜物(純丙、硅丙、氟樹脂)的外墻塗料的耐酸雨性、耐沾污性、耐人工加速老化等三大技術性能指標,其中耐酸雨性實驗是根據重慶市環境質量數據進行的酸雨模擬實驗, ph值分別為0 . 690 、 0 . 610 、 0 . 613 、 0 . 453 。Guide to the acquisition and management of meteorological precipitation data - specification for raingauges - storage raingauges - storage raingauges
氣象降水數據的採集和管理指南.雨量計規范.蓄水式雨量計Minton points out that an increasing percentage of california ‘ s precipitation over recent decades is falling as rain rather than snow
明頓指出,最近數十年來,加利福尼亞的降雨量不斷增加而降雪卻在減少。Guide to the acquisition and management of meteorological precipitation data - field practices and data management - areal rainfall
氣象降水數據採集和管理指南.第2部分:野外作業和數據管理.第4節:區域降雨量He obeyed and followed the instructions of his supervisors in his assignments and was willing to perform duties not relating to estate management work, for instance, measuring and recording weather data, cleaning the utensils like evaporation pan, rain gauge etc. he set high standards for himself
在其他工作上,能夠嚴格遵從上司的指示完成任務。此外,他樂于接受保安以外的工作,如協助量度及記錄天氣數據,清洗蒸發皿雨量器等器具,而且做得一絲不茍。Affected by the subtropical monsoon climate, jiangsu province is one of the provinces which have much natural disaster and drought, steady rain, waterlogging are its primary meteorological disasters. using citystar 3. 0, city star gis and reasonable indicators for disaster estimation, this paper progresses evaluation and analysis for its primary meteorological disasters such as drought, steady rain and waterlogging. in this work, the frequency of disaster and the risk to agriculture are taken into accounted
因此,本文以該地區為例,選用影響該省主要氣象災害的定量指標,從災害出現頻率以及對農業生產帶來的風險出發,採用合理的災害風險評估指標,藉助于地理信息技術gis的空間分析方法,以風險指數為區劃指標,劃分風險等級,分季節對該省的主要氣象災害乾旱、連陰雨、雨澇的嚴重程度進行了評估和分析,獲得了gis系統支持下的災害風險區劃專題地圖。Thus, while there are uncertainties in the accurate forecasting of weather elements such as clouds, rain, fog and haze, there are further uncertainties associated with where you are and how high
因此,在使用紫外線指數預測的時候,除考慮包括雲量雲種臭氧雨霧煙霞等天氣因素預報的不確定度,同時還要留意個人所處地點和高度可引致的變化。Their supervisor, mr. tse ming wai, said that the students were aware of only a few designs for automatic rain gauges at the beginning of the project
他們的指導老師謝明偉說,初時參賽同學認為自動雨量計離不開數種設計,但上網做了資料搜集后,才發覺可以有多種方法。分享友人