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   逐日降水 的翻译结果: 查询用时:0.328秒
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逐日降水     
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  daily precipitation
     The unconditional and conditional probability density functions of daily precipitation are estimated by use of the 1961—2000 summer daily precipitation data of 174 stations in China,and the probability distributions of maximum daily precipitations,and of the maximum daily precipitation greater than or equal to 10 mm,25mm,and 50mm within 10,and 20 days for each station are derived,respectively.
     利用全国174站夏季逐日降水资料估计了雨日降水量的无条件和有条件概率密度函数,并递推得各站1至20 d内最大日降水量的概率分布及10 d、20 d内最大日降水量≥10 mm、≥25 mm、≥50 mm的概率。
短句来源
     Based on the daily precipitation data of flood season(Mar to September) in 1960-2004 from 125 stations in Northwest China,we firstly determined the extreme precipitation threshold values for every station,then counted the extreme precipitation event frequency in flood season and analyzed their temporal and spatial characteristics.
     利用中国西北五省(区)1960—2004年125个台站汛期(5—9月)逐日降水资料,首先定义了不同台站的极端降水阈值,然后统计出了不同台站近45a逐年汛期发生极端降水事件的发生频次,并进行了时空分布特征分析,结果表明:中国西北汛期极端降水事件发生频次同降水量的空间分布有很大的差异;
短句来源
     Based on the daily precipitation data of 551 stations in China from 1961 to 2000, the varying tendencies of precipitation have been analyzed in the seasonal and annual variation.
     本文基于中国551站1961~2000年的逐日降水资料,对不同季节和全年降水量的变化趋势进行了分析。
短句来源
     In this paper mesoscale rainstorm model MRM1 is reviewed, and daily precipitation forecast experiments and impact tests are conducted for late spring and early summer(June and July from the year 1998 to 2001) rainfall events.
     介绍了近年来我们所研制的中尺度暴雨模式 MRM1的基本情况及特点 ,以及对 1 998年 ,1 999年和2 0 0 1年 6月、7月的降水集中时段进行的逐日降水预报试验及效果检验 ,并和美国著名中尺度模式 MM5进行了同一时段降水预报检验的比较。
短句来源
     By using the daily precipitation data of 490 stations in China from 1960 to 2000, the characters of climate and anomaly for intraseasonal oscillation (MJO) of China precipitation are studied in this paper.
     本文用1960~2000年中国490站逐日降水资料,研究了中国降水季内振荡(即MJO)的气候及其异常特征。
短句来源
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  daily rainfall
     The extremes characteristics of daily rainfall greater than or equal to 25mm are calculated and analyzed by cross theory and EOF method using the daily precipitation data of 22 stations in Huang-Huai area.
     利用黄淮地区 2 2个台站 1 956— 2 0 0 0年逐日降水资料 ,用交叉理论和 EOF方法 ,计算并分析了黄淮地区日降水量≥ 2 5mm的极端降水特征。
短句来源
     Dry-wet spells and weather cycle probability models are presented for the daily rainfall series at five representative stations in eastern China based on Markov chain theory.
     本文根据Markov链理论分析了逐日降水序列的干湿统计特征及其概率模型,对我国东部地区沈阳、北京、荆州、上海、广州等5个代表性测站分别建立逐日降水序列的干湿日游程、干湿周期(天气循环)的概率分布模式。
短句来源
     Based on the daily rainfall data of May-to-August from 1954 to 1983, this paper analyzes the climatic characteristics of precipitation in East China and discusses their association with seasonal variations of the East Asian monsoon.
     用1954—1983年5—8月的逐日降水资料分析了中国东部地区降水的气候特征,并讨论了它同东亚季风季节内变化的联系。
短句来源
     In this paper the climatology of the precipitation, the daily rainfall series of months 5-8 and the correlative weather systems are analysed.
     本文采用自然正交函数分解法对我国南方地区的降水气候序列与夏季(5~8月)逐日降水序列进行时空特征分析和对应天气形势分析。
短句来源
     Based on daily rainfall data in April,May and June of 95 stations from 1971 to 2005,the change of rainfall during emergence and seedling period was analyzed.
     利用山西省春玉米区95个气象站1971~2005年4~6月逐日降水资料,分析了影响玉米出苗和苗期生长的降水条件的变化。
短句来源
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  day-to-day precipitation
     The authors collect and process the discharge rate data of Hongshanzui hygrometric station from 1956 to 2003,day-to-day precipitation and air temperature data of Shihezi City from 1953 to 2003.The correlation curves of the three variables are constructed. And the functions of annual precipitation and mean annual air temperature,to mean annual flow rate of Manas River are analyzed.
     笔者对玛纳斯河出山口红山嘴水文站的流量资料(1956—2003年)及石河子市的逐日降水和气温资料(1953—2003年)进行分析,介绍各自变化特点并建立它们之间的年均变化对比曲线,分析年均流量与年降水量和年均气温的关系。
短句来源
     In this paper, annual and interannual variation characteristics of precipitation and air temperature of Tibet region were analyzed, correlativity of air temperature and precipitation was discussed by using 40 years data of day-to-day precipitation and air temperature.
     本文利用 4 0a逐日降水与气温资料 ,分析了西藏地区降水量、气温的年变化和年代际变化特征 ,讨论了气温与降水量的相关关系。
短句来源
  daily rain
     In the context of high-resolution TBB data, every 6h NCEP/NCAR reanalysis data sets and daily rain data, the mechanisms for the regional torrential rain development over the mid-Yangtze River basins are investigated by means of composite analysis.
     利用高分辨 TBB资料、逐 6h NCEP/NCAR再分析资料和逐日降水资料及SCSMEX降水加密观测资料,通过对长江中游 8次区域性暴雨的合成分析,研究发现:暴雨落区发生在急流出口区南侧与南亚高压脊线近极地一侧之间发散气流辐散加强的区域附近;
短句来源
     With daily rain records of 180 stations in the east of China in June and July from 1961-2000,we have reproduced the rainbelt of Meiyu (plum rain). By applying methods of 11_year running mean and Morlet wavelet transformation, we studied the characteristics of the boundary and the area index to the rainbelt of Meiyu between interannual and interdecadal climate variations.
     从气候学的角度,利用1961-2000年梅雨期我国东部180站的逐日降水资料生成了历年的梅雨期雨区,采用累积距平、滑动平均值和Morlet小波分析等方法研究了梅雨期雨区边界和面积指数的年际和年代际变化以及雨区边界在地域上的差异及其梅雨量与边界和面积指数的关系.
短句来源

 

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      daily precipitation
    Daily precipitation rates observed at 576 stations in China from 1961 to 2000 were classified into six grades of intensity, including trace (no amount), slight (? 1 mm d-1), small, large, heavy, and very heavy.
          
    This algorithm was realized for the time series of daily mean air temperature and daily precipitation totals for an annual interval.
          
    Heavy rain events, defined as those with daily precipitation equal to or larger than 50 mm, show no significant secular trend.
          
    Stochastic modeling of daily precipitation in China
          
    A framework of first order Markov Chain with Gamma Distribution for daily precipitation is adopted in this work.
          
    更多          
      daily rainfall
    Based on daily rainfall data measured in China during the period of 1951-2004, several quantitative criteria were developed to define PHR events by means of their precipitation intensity, temporal duration, spatial extent and persistence.
          
    Then a semi-objective classification based on these criteria was applied to summer daily rainfall data to identify all PHR events.
          
    Minimum daily temperature, ambient temperature at initiation of calling, and daily rainfall explained 37.8% of the variance in male attendance.
          
    Then the severity of rainfall in that area is grading according to the maximum daily rainfall and the total rainfall in a rainfall course.
          
    Daily rainfall data obtained from ECMWF reanalysis are obviously better than those from NCEP reanalysis in terms of long period daily mean, local correlation, variation amplitude, fluctuation pattern and frequency.
          
    更多          
      daily rain
    The δ18O of precipitation in daily rain events shows large variations (-13.3 to -4.3‰) with a mean of 8.1‰.
          
    In addition, regional model precipitation was validated against gridded seasonal means from the East Anglia University data set and against a time series of daily rain gauge observations near Niamey, Niger.
          
    Using ECMWF analyses and daily rain amounts of 569 stations in Western Africa for summer 1989, the study documents the composite structure of the 6-9 day oscillation and its influence on rain.
          
    This paper discusses problems and strategies of evaluation of daily rain forecasting with operationally available rain station data.
          
    It is worth mentioning that the NRCs follow the expected behaviour with respect to the coefficient of variation of daily rain amounts at monthly and annual scales.
          
    更多          


    Geographical distibution and annual variation of acid precipi-tation of Shanghai district are dealing with in this paper. It was found that in 1980~1983, the area with acid precipitation extended and pH value became lower. By discussing some acid precipitation events which appeared in summer and autumn of 1983, it was found that there was close relation between the meteorological conditions (such as synoptic situation, thermal stratification, hight of mixed layer H, wind direction, and mean velocity of mixed...

    Geographical distibution and annual variation of acid precipi-tation of Shanghai district are dealing with in this paper. It was found that in 1980~1983, the area with acid precipitation extended and pH value became lower. By discussing some acid precipitation events which appeared in summer and autumn of 1983, it was found that there was close relation between the meteorological conditions (such as synoptic situation, thermal stratification, hight of mixed layer H, wind direction, and mean velocity of mixed layer V) and the acidity of precipitation. The central area with the lowest value of pH often appeared in the leeward of Soanghai urban and their distance was affected by the product of H and V, when the conditions of air pollutants were not changed.

    酸雨是八十年代人类面临的重大环境问题之一,我们根据1983年在上海郊区九个站和市区六个站的雨水采样分析记录,再参照过去的历史资料,论述上海地区酸雨的时空分布概况;并就1983年夏季和秋季两次酸雨过程,分析其降水pH值分布与气象条件的关系。上海市1980年9月发现酸雨现象以来至1983年秋,酸雨出现地区范围逐年扩大,酸度亦有所增强,目前以青浦、上海等县降水酸度最强,酸雨出现频率亦最大。通过对1983年夏、秋两季典型个例分析,发现在污染源不变的情况下,上海地区酸雨的分布与当时天气形势、气温层结和风向、风速等气象条件关系十分密切。在历次降水过程中,逐日降水pH值的分布形势,随着当时混合层内盛行风向、风速的改变而变化。降水酸度最强的地区出现在城市的下风方向。当混合层高度大,混合层内水平通风系数大时,酸雨最强中心出现在距市区较远的下风方向。相反,当混合层内水平通风系数较小时,则降水pH值最低中心,出现在距市区较近的下风方向。

    This article discusses application of regression diagnostics founding on the method of Model Output Statistics making to predict precipitation day by day at three-day intervals. Predicited results of regression diagnostics are compared with that of before the diagnoslics. After applying regression diagnostics to precipitation prediction, the results of prediction are better.

    本文在MOS预报方法作时效为三日的逐日降水预报基础上,讨论回归诊断。用回归诊断前后预报结果的对比,以清晰的事实说明经回归诊断后,提高了预报效果。

    In this paper,three cases of acid precipitation in Shanghai in the flood season were studied found that the distribution of the pH value of precipitation is closely related to the prevalent wind direction of maximum mixed depth(MMD)and ventilation coefficient.

    分析了上海地区1984年汛期3次连续3天降水过程的pH值分布与气象条件的关系。在污染源不变的情况下,上海地区酸雨的分布与当时天气形势、气温层结和高低空风向、风速等气象条件关系十分密切。在各次降水过程中,逐日降水pH值的分布与当日或前一日的混合层内盛行风向、风速有关。

     
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