rainfall index 中文意思是什麼
rainfall index
解釋
降雨指數-
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） 。 -
( 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） 。 -
Abstract : monthly rainfall data from 1951 to 1995 for june, july and august in 13 meteorological stations of the north china were used for accounting z index and discussing serious flood and drought featureas in these months. serious flood mainly happened in july and august, and sevious drought mainly happened in august. there were more flood in 1950 ' s to 1960 ' s and more drought since 1970 ' s in the north china. meanwhile, the deeper trough which covered the regions from the ural mts. to the balkhash lake play an important role in serious rainstom in rainy season in the north china. there often happened serious flood ( drought ) when the northwester pacific subtropical high was by west and north ( east and south ), and the sea surface temperature in the equatorial central and eastern pacific was mainly in dropping ( raising ) stage
文摘:利用華北平原地區的13個站點， 45年（ 1951 1995 ）的降水資料，對夏季4個時段（ 6月、 7月、 8月、 6 8月）進行了z指數計算，確定了該地區各個時段的嚴重澇年和嚴重旱年.發現華北地區雨季的嚴重洪澇主要集中在7 ， 8月，嚴重乾旱則主要發生在8月，並可明顯看出由50 60年代的多水期向70年代中期以後的少水期的轉變，另外，烏拉爾山到巴爾喀什湖附近的低壓槽加深和西北太平洋副熱帶高壓的北抬，對華北地區雨季持續性暴雨的產生起著決定性的作用.嚴重洪澇年的夏季（ 6 8月） ，西北太平洋副熱帶高壓偏西、偏北，赤道東太平洋海溫多處于下降階段;嚴重乾旱年西北太平洋副高偏東、偏南，赤道東太平洋海溫則處于上升階段 -
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。 -
Using the summer rainfall data from twenty - six observatories in shandong province from 1961 to 2001, the subtropical high index data from 1961 to 2002 and the monthly mean reanalysis data of wind, moisture, height and olr of ncep / ncar from 1958 to 1998, the characteristics of abnormal circulation in the northern hemisphere, the abnormal strength and location of subtropical high, the abnormal strength of monsoon and water vapor transport over the areas of east asian were studied
利用山東26個代表站1961 2001年夏季降水、 1961 2001年副高特徵指數以及1958 1998年ncep ncar再分析月平均風場、高度場、比濕、 olr等資料，對山東夏季發生旱澇的北半球大氣環流、副熱帶高壓、東亞夏季風以及季風區水汽輸送等異常特徵進行了合成對比分析。對山東夏季旱澇形成的原因，從季風區水汽輸送和出現降水異常的物理機制等方面進行了較深入的研究。 -
The first reason of dryness index variation is the rainfall change, the second is the chang of accumulated temperature
造成乾燥度變化的主要原因是降水量的變化，其次是積溫的變化。 -
Using the daily rainfall data of 740 stations over china and ncep daily up - ai data from 1971 to 2000, we analyzed the average mei - yu climate field. based on the climate field and mei - yu intensity index, we confirm that the year of 1999 is a typical mei - yu. besides, the intensity of mei - yu rainfall in 1999 is the highest since we had record, so the analysis of mei - yu in 1999 can present the common characteristics of mei - yu
本文利用1971 - 2000年中國740站的日平均降水資料和ncep的日平均高空資料分析了梅雨氣候場，利用梅雨的氣候場及中國氣象局氣候診斷預測室的梅雨強度綜合指數，確定了1999年是一個非常典型的梅雨年，並且1999年梅雨期間的降水強度是歷史以來的最高值，因此我們對1999年梅雨進行的分析有很大的代表性。 -
Using ncep / ncar 40 - year reanalysis, gisst2. 3b data - set, cru south oscillation index along with in situ the 160 station data of surface air temperature / rainfall records in china, the inter - decadal variations in the relationship between equatorial western and eastern pacific variabilities are examined. the possible relations to the surface air temperature / rainfall in china are also investigated
利用ncep / ncar再分析資料、全球海溫海冰gisst2 . 3b資料、英國cru提供的南方濤動指數以及中國160站降水和氣溫資料，分析了熱帶太平洋地區海氣系統內部聯系的年代際變化特徵及其與中國降水/氣溫異常的聯系。 -
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。 -
With 1958 ~ 1997 ncep / ncar reanalysis data and 1961 ~ 1995 summer ( jja ) rainfall and temperature records of 160 stations in china, a new east asian subtropical summer monsoon circulation index is defined, in which the barotropic and baroclinic components of the circulation are included
摘要採用大氣環流正、斜壓分解方法，從東亞副熱帶夏季風為正、斜壓混合型季風觀點出發，定義並計算了1958 - 1997年東亞副熱帶夏季風環流指數。 -
The conclusion is the interrelated dimension may be used as an important index of regional rainfall characteristics
研究表明：分形維數可作為反映區域降雨特點的有價值指標。 -
Monthly rainfall data from 1951 to 1995 for june, july and august in 13 meteorological stations of the north china were used for accounting z index and discussing serious flood and drought featureas in these months. serious flood mainly happened in july and august, and sevious drought mainly happened in august. there were more flood in 1950 ' s to 1960 ' s and more drought since 1970 ' s in the north china. meanwhile, the deeper trough which covered the regions from the ural mts. to the balkhash lake play an important role in serious rainstom in rainy season in the north china. there often happened serious flood ( drought ) when the northwester pacific subtropical high was by west and north ( east and south ), and the sea surface temperature in the equatorial central and eastern pacific was mainly in dropping ( raising ) stage
利用華北平原地區的13個站點， 45年（ 1951 1995 ）的降水資料，對夏季4個時段（ 6月、 7月、 8月、 6 8月）進行了z指數計算，確定了該地區各個時段的嚴重澇年和嚴重旱年.發現華北地區雨季的嚴重洪澇主要集中在7 ， 8月，嚴重乾旱則主要發生在8月，並可明顯看出由50 60年代的多水期向70年代中期以後的少水期的轉變，另外，烏拉爾山到巴爾喀什湖附近的低壓槽加深和西北太平洋副熱帶高壓的北抬，對華北地區雨季持續性暴雨的產生起著決定性的作用.嚴重洪澇年的夏季（ 6 8月） ，西北太平洋副熱帶高壓偏西、偏北，赤道東太平洋海溫多處于下降階段;嚴重乾旱年西北太平洋副高偏東、偏南，赤道東太平洋海溫則處于上升階段 -
These factors are mainly the compressive strength of rocks, the quality index of rocks rqd, the velocity of elastic wave of rockmass, the slope height, the annual rainfall, and the structural character grade of rockmass
在構造邊坡穩定性評價的經典域和節域物元時，關于特徵的量值范圍可以根據工程實際情況加以調整，說明該方法具有靈活性。 -
Relationship model among topography fractal dimension, runoff eroding power and sediment transport modulus was established after proposing topography fractal dimension as comprehensive quantitative index for topography by replacing rainfall erosivity with runoff erosivity. based on this model, relationship between watershed topography parameter and sediment yield were setup using the observed data from cha bagou watershed, together with parameter calibration
提出了以地形分維數作為地貌形態綜合量化的指標，以徑流侵蝕力代替降雨侵蝕力的思想，建立了模型流域地形分維數、徑流侵蝕力與輸沙模數之間的關系模型；在此基礎上，應用岔巴溝流域實測資料，建立了流域地貌形態參數與侵蝕產沙關系模型，並進行參數率定和檢驗。 -
Analysis on index of sea - land thermal difference resulted that there are periodical oscillations of 2 - 6 years in the subtropical high, trough systems in the middle latitude. the year with strong ( weak ) index are associated with eap ( negative eap ) pattern in which the subtropical high is abnormally northward ( southward ) and more ( less ) summer rainfall in shandong
強指數年， 500hpa環流形勢呈eap遙相關型，副熱帶高壓偏北，山東夏季以多雨年份居多；弱指數年則相反， 500hpa環流形勢呈反eap型，副熱帶高壓偏南，山東夏季以少雨年份居多。 -
According to its main tasks, there are two kinds of decision technique are discussed in this article : one is about safety ensure technique during the flood season, another is about disasters prevention and cure technique. the contents including three parts. in the first part, the structure and the run mode of the rainfall alarm system, the index system and the way of setting up the alarm standard are discussed systematically
本文將可拓學基本理論與鐵路泥石流防治理論相結合，建立起鐵路泥石流災害物元模型，形成鐵路泥石流災害各種防治技術的可拓語義表述，提出了面向物元系統的鐵路泥石流災害防治方案的設計思想，並就方案的比選和優化方法作了一定的探討。
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