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前期降水
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  antecedent precipitation
     Analysis of relationship between landslide volume and antecedent precipitation in Hong Kong
     香港地区滑坡体积与前期降水关系分析
短句来源
     The statistics show that the correlation of antecedent precipitation, lithology, landform, drainage density, drainage area, length and ratio of demotion of main river and four characteristics of low flow is very complex.
     统计结果表明:流域的枯季前期降水、岩性、地貌、流域面积、河网密度、主河道长度及其比降等因子与喀斯特流域的枯水四特征的相关关系异常复杂。
短句来源
     In addition,the relationships between the annual variation of the lake water level, the weather systems affecting antecedent precipitation,various climatic patterns and land surface meteorological elements are analyzed by means of statistical method.
     对于湖水位年际变化与前期降水影响系统、不同气候类型以及地面气象要素的关系作了统计分析。
短句来源
     Micro artesian water in Tianjin area has its proper characteristics . In the combination with the antecedent precipitation tests about HuYuan station construction on the 3rd line of Tianjin subway , this paper carries out the analysis to its mechanism of action to seek a kind of economical and safe treatment measure.
     天津地区微承压水有其独有特性,文章结合天津地铁3号线华苑站前期降水试验,对其作用机理进行剖析,寻求一种经济安全的处理措施。
短句来源
  “前期降水”译为未确定词的双语例句
     A new index for drought and wetness is presented, which characterizes demand of water in some place and reflects the contribution of prephase precipitation to recent drought.
     首先 ,提出了一种新的干湿指数 ,该指数的主要特点是它是相对于一地的水份需要量而言的 ,并且针对干旱的特点 ,考虑了前期降水对近期干旱现象的贡献。
短句来源
     With regressive analysis, it was found that there were linear or parabola relations of between soil moisture in layer of 0~50 cm and layer of 0~100 cm when the rainfall was less than 10 mm, while there were hyperbola or conic hyperbolic relations between S_(50)/S_(100) and precipitation (irrigation) when the rainfall (irrigation) was more than 10 mm. The regressive effect would be improved when rainfall (irrigation) was considered.
     对0~50cm与0~100cm土层土壤湿度进行回归分析,当前期降水量在10mm以下时,用直线或二次曲线拟合效果良好; 当前期降水(灌溉)量大于10mm时,0~50cm与0~100cm土壤湿度之比与前期降水(灌溉)量呈双曲线或二次曲线关系,拟合曲线考虑降水(灌溉)时回归效果有所提高。
短句来源
     The Knowledge Discovery in Database(KDD) technology is used to analyze and investigate the relationship between precipitation and the damage-inducing meteorological geologic disasters in Yunnan Province.
     应用人工智能技术——数据库中知识发现(KDD)技术,分析研究发生在云南省境内造成重大损失的气象地质灾害的发生与当日及前期降水的关系。
短句来源
     The quantitative relationship provides the evidence not only for the meteorological surveillance and forecast of meteorological geologic disasters,but also for the prediction model development in the Yunnan Province.
     所得到的云南气象地质灾害与当日及前期降水的定量关系,为云南地质灾害的气象监测、预报模式的建立提供了依据。
短句来源
     The summer drought/flood index in Qiandongnan is defined by means of the precipitation and evaporation data as well as the prophase precipitation,and the indexes from 1971 to 2000 are calculated and graded for each year. It is found that the index is more applicable in practice.
     用当前降水和蒸发因子以及前期降水因子定义了黔东南夏季旱涝指数,用此指数计算了黔东南1971~2000年的夏旱指数,同时对各年的夏季旱涝进行了定级,检验证明,此指标对黔东南夏季旱涝等级的划分比日常业务中使用的降水百分率对黔东南夏季旱涝的等级划分更符合实际情况。
短句来源
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  相似匹配句对
     The Prior Indexes Analysis of Regional severe Precipitation in dry season in Sanxia Area
     三峡地区枯水期强降水前期指标分析
短句来源
     Acid Deposition
     酸性降水
短句来源
     JIANGXI RAINFALL
     江西降水
短句来源
     A STUDY ON RELATION BETWEEN THE PRECEDING CIRCULATION AND THE RAINFALL IN YUNNAN DURING EARLY SUMMER
     云南初夏降水前期大气环流的关系
短句来源
     ④preparation in advance;
     ④前期准备;
短句来源
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  antecedent precipitation
Although a close correlation between antecedent precipitation and contamination was demonstrated, it was a complex relationship and further investigation, particularly of flood pulses, would be necessary to elucidate the relationship.
      
Intensity versus rainfall duration relationships become particularly important when related to soil permeability and thickness, and demonstrate the role of antecedent precipitation.
      
Antecedent precipitation was the dominant factor influencing yield of perennial herbaceous species, while both temperature and precipitation were important for prediction of yield of downy bromegrass, a winter annual.
      
Furthermore, the precipitation threshold value associated with landslide occurrence and antecedent precipitation are analysed.
      
A method of evaluating effects of antecedent precipitation on duststorms and its application to Yuma, Arizona, 1981-1988
      
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This artiele mainly studied the flood Law of Kunmalike River,indicating its type,the formation mechinism, the time,analy-sing typical discharge hydrongragh for burst-type flood and fi-nding the main factories which influent flood law that highaltitude temperature,climatic wave, earlier stage's precipita-tion and rise rate of flood, It provided enough basis for preven-tion flood and drought and use of water resource.

本文着重研究了昆马力克河的洪水规律,阐述了发生类型、形成机制和发生时间,剖析了溃坝型洪水典型流量过程线找出了影响洪水发生规律的主要因素为高空气温,气候波动与前期降水以及涨率,为新疆干旱地区水情予报、防洪抗旱和水资源利用提供参考依据。

The historical climatic data sequence is reconstructed on the basis of tree ring data of Qinghai Lake Basin and neighbouring areas. In this paper four main periods (cold.warm,dry and wet) of the lake basin in the past 600 years are given and the climatic trend is predicted . It appears that the lake water-level falling is mainly caused by the warm-dry climatic tendency in recent 100 years. In addition,the relationships between the annual variation of the lake water level, the weather systems affecting antecedent...

The historical climatic data sequence is reconstructed on the basis of tree ring data of Qinghai Lake Basin and neighbouring areas. In this paper four main periods (cold.warm,dry and wet) of the lake basin in the past 600 years are given and the climatic trend is predicted . It appears that the lake water-level falling is mainly caused by the warm-dry climatic tendency in recent 100 years. In addition,the relationships between the annual variation of the lake water level, the weather systems affecting antecedent precipitation,various climatic patterns and land surface meteorological elements are analyzed by means of statistical method.

根据青海湖流域及其邻近地区树木年轮资料重建的历史时期气候资料序列,给出了流域近六百年来的主要冷、暖、干、湿期,并对器测时期的气候变化趋势作了分析。指出,近百年来气候暖干化是造成湖水位下降的主要原因;对于湖水位年际变化与前期降水影响系统、不同气候类型以及地面气象要素的关系作了统计分析。

Drought is normally defined as water shortage caused by the imbalance between water supply and demand.The fomation and intensity of drought are gradual cumulative processes.A new drought index considered the effect of rain shortage of early days is given in this paper.Three grades of drought:moderate,severe and extreme drought are divided.On the basis of the data of drought during 1951-1991,we analyse the area distribution of drought, including frequently-occurring drought.serious drought and continued drought....

Drought is normally defined as water shortage caused by the imbalance between water supply and demand.The fomation and intensity of drought are gradual cumulative processes.A new drought index considered the effect of rain shortage of early days is given in this paper.Three grades of drought:moderate,severe and extreme drought are divided.On the basis of the data of drought during 1951-1991,we analyse the area distribution of drought, including frequently-occurring drought.serious drought and continued drought. Based on the number of drought occurrences and an analysis of the average number of drought months,regional differences in drought oc currence are notable.The result shows that there are four large drought centers in China.It is shown from the time series of drought index that there is a linear tendency of drying in the whole country and in most areas.They are the Huang-Huai-Hai Plain region.the south China and Middle and Lower Yangtze River Region,the Southwest China Region and the Western Part of Northeast China Region. Using the time series the drought-affected area and the drought-damaged area in whole country,the impacts of droughts are discussed at last.The periodicity of drought-affected and drought-damaged areas in China has been significant in the last 40 years. During this time,three wet Periods and three dry periods occurred.The periods of 1958-1962,1971-1981,and 1986-1988 were observed as significant drought periods(i.e.,more than 20 million ha were affected).During the Periods 1950-1957,1963-1970,and 1981-1985,less than 20 million ha were affected.In total,seven severe drought years(1959,1960,1961,1972.1978,1986 and 1988) were recorded during the significant drought periods.In each instance,the drought-affected areas encompassed more than 30 million ha.The variability in the occurrence of drought-affected and damaged areas seems to increase during the last 40 years.Averaged by decades,the drought-affected areas in China from the 1950s to 1980s are 12.6,21.7,26.1 and 24.1 million ha,respectively.This trend is consistent with the general trend of summer aridization in China.It is concluded that there are periods with large drought-affected area and large drought-damaged area,and there is also a linear increasing tendency with the fluctuation.

本文提出了一个考虑前期降水短缺影响的干旱指数。利用1951-1991年逐月全国160个站的降水资料划分干旱等级,分析了我国干旱,包括多旱、重旱和持续干旱的区域分布,指出我国主要有四大干旱中心;分析了干旱随时间的变化,发现全国及多数区域的现代干旱存在着线性增长的趋势。最后利用全国干旱受灾和成灾面积讨论了干旱的影响,指出全国近代干旱受灾和成灾面积存在着三个高值期,且总体线性增长趋势也很明显。

 
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