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hydrological sequence
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  水文序列
     The Application of Wavelet Analysis in Hydrological Sequence Trend Analysis
     小波分析在水文序列趋势分析中的应用
短句来源
     In this article,wavelet transform is introduced into stochastic hydrological analysis. Using it,the period that is implied in hydrological sequence can be detected.
     将小波变换引入随机水文过程的研究领域,根据水文现象的物理成因,通过对水文序列进行小波变换,借以测定水文序列隐含的近似周期,并利用F检验最终确定水文序列隐含的近似周期。
短句来源
     On studying the method of spectrum, we bring forward a measure to analyze the hydrological time series and check the representation of hydrological sequence.
     水文时间序列的代表性分析是水文频率计算的一项重要内容,水文频率分析成果的优劣在很大程度上取决于水文序列的代表性。 目前对水文序列代表性分析仍缺乏有效的方法。
短句来源
  水文序列的
     Application of Wavelet Transform in Detection of Hydrological Sequence Period
     基于小波变换的水文序列的近似周期检测法
短句来源
     Effect of urbanization on hydrological sequence of water supplying rivers
     城市化对供水河流水文序列的影响分析
短句来源
     On studying the method of spectrum, we bring forward a measure to analyze the hydrological time series and check the representation of hydrological sequence.
     水文时间序列的代表性分析是水文频率计算的一项重要内容,水文频率分析成果的优劣在很大程度上取决于水文序列的代表性。 目前对水文序列代表性分析仍缺乏有效的方法。
短句来源
  “hydrological sequence”译为未确定词的双语例句
     Diagonsing aberrance point of hydrological sequence in Shiyang River basin using R/S method
     石羊河流域年径流序列的变异诊断
短句来源
     We decompose the hydrological sequence made of different frequencies into the low and high frequencies in the multi resolution analysis according to the characteristic of hydrological sequence frequencies and then restore the deoxidize trend components according to the reconstruct principle of wavelet coefficients, in order to judge the hydrological sequence trend.
     根据水文时间序列的频率分布特性 ,运用小波分析将不同频率成分组成时间序列按尺度分解成低频和高频成分 ,然后依据小波系数的重构原理还原时间序列的趋势成分 ,从而可以判断水文时间序列的趋势变化 .
短句来源
     Effect of various kinds of water utilization on hydrological sequence is analyzed by use of the clustering method.
     利用有序聚类分析法推估了城市用水和郊区农业、城镇用水对各序列的显著影响干扰年份。
短句来源
     The results show that effect of urbanization on hydrological sequence of the main rivers around Xi'an is of the decreasing order among Bahe River, Heihe River and Fenghe River;
     结果表明,城市化对西安市主要河流年径流序列的影响强度由大到小依次是灞河、黑河、沣河;
短句来源
     before 1965, effect of the annual runoff of their upper part on hydrological sequence is relatively larger, and during 1971~1980, that of their lower part on hydrological sequence is relatively larger.
     1965年以前,城市河流山口以上年径流序列影响相对较大,1971~1980年时段,城市河流山口以下年径流序列影响较大;
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In this article,wavelet transform is introduced into stochastic hydrological analysis.Using it,the period that is implied in hydrological sequence can be detected. The computation results show that the method of wavelet transform is high precise for detecting the period.

将小波变换引入随机水文过程的研究领域,根据水文现象的物理成因,通过对水文序列进行小波变换,借以测定水文序列隐含的近似周期,并利用F检验最终确定水文序列隐含的近似周期。计算结果表明,用小波变换确定水文序列隐含的近似周期准确性较高,是一个较好的确定水文序列近似周期的方法。

Hydrological analysis of precipitation runoff routing process in watershed is of very importance. Based on the grid system in GIS, the precipitation runoff routing was numerically simulated with the computer through a series of related data sets making use of DEM's function to provide topographic features. It makes overland flow in the spatial range of a watershed be traced with the correct hydrological sequence and the hydrological computation rank of the runoff path in the watershed be determined...

Hydrological analysis of precipitation runoff routing process in watershed is of very importance. Based on the grid system in GIS, the precipitation runoff routing was numerically simulated with the computer through a series of related data sets making use of DEM's function to provide topographic features. It makes overland flow in the spatial range of a watershed be traced with the correct hydrological sequence and the hydrological computation rank of the runoff path in the watershed be determined of a spatial range. This provides spatial analysis basis for the modeling research based on the precipitation runoff relation in the watershed. Finally the research achievement was applied in the Huangjiaercha small watershed, the simulation technique was verified to have a definite reliability and practicability.

流域内降雨径流流动过程的水文分析具有重要意义。此文基于地理信息系统的栅格系统 ,利用数字高程模型 ( DEM)提供地形特征的能力 ,通过一系列相连的数据集 ,用计算机对流域降雨径流路径进行了数字模拟 ,其可以实现以正确的水文顺序跟踪地表径流在流域空间范围内的流动路径 ,并确定地表径流在流域空间内流动路径的水文计算等级 ,为基于流域降雨径流关系的建模研究提供了空间分析基础。最后把该项研究成果应用于黄家二岔小流域 ,证实该模拟技术具有一定的可靠性和实用性

The paper analysed the water resources component types and the time and spatial distributional characteristics of the Heihe River Basin, The surface runoff that mainly supplied by precipitation varies largely with the seasons which is the main reason of the drought of crops in the spring. The series of low and high water levels are inevitable variations of normal hydrological sequences. However ,the water resources that flowed into the lower drainage declined obviously, therefore, it is absolutely necessary...

The paper analysed the water resources component types and the time and spatial distributional characteristics of the Heihe River Basin, The surface runoff that mainly supplied by precipitation varies largely with the seasons which is the main reason of the drought of crops in the spring. The series of low and high water levels are inevitable variations of normal hydrological sequences. However ,the water resources that flowed into the lower drainage declined obviously, therefore, it is absolutely necessary to work out the scheme of water resource distribution. Spreading save water irrigating techniques, raising use ratio of water resources and strengthening water resources management are the effective measures for optimum utilizing water resources.

对黑河流域水资源的组成类型和时空分布特征进行了分析 ,以降水补给为主的地表径流 ,季节变化大 ,是作物春季形成“卡脖子旱”的主因。上游山区来水量多年平均无大的变化 ,某些时段的偏枯或偏半是正常水主序列的必然变化过程。但进入下游地区的水确有明显的递减趋势 ,制定合理的分水方案势在必行。实施节水灌溉技术 ,提高水资源有效利用率 ,强化水资源的统一管理 ,是实现水资源优化利用的有效途径。

 
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