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runoff materials
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  径流资料
     Based on the daily observed materials from 12 air sounding meteorological stations and the annual runoff materials from 34 hydrological stations during the period of 43 years from 1960 to 2002, the mean height change at the 0 ℃ level, the changing trend of runoff and their deviation of spacial distribution were researched in Xinjiang according to the methods of the combination of qualitative and quantitative analyses and the contrast with the five-year smoothing mean curve.
     采用1960 ̄2002年新疆12个探空站逐日观测资料和34个水文站的年径流资料,利用经过5点平滑处理的曲线趋势对比和线性相关的研究方法,定性与定量相结合分析了43年来新疆夏季0℃层平均高度变化和河流径流变化趋势及空间分布差异,并建立了二者的定量关系式。
短句来源
     Based on the river runoff materials collected from three typical different survey stations located spatially in upper, middle and down stream of Lancang River, regression analysis is made, and the result is that there exists beeline regression relativity in the materials from the three different survey stations, so it is possible to make a loss for the runoff materials in these survey stations.
     基于对澜沧江干流三个典型站点收集到的径流资料 ,通过相关回归分析应用 ,结果表明 :澜沧江上、中、下游三个典型站点的径流资料存在显著回归相关性 ,对收集到的不完善径流数据 ,可以进行适当插补和内延与外展应用 ,满足了研究中对典型站点径流数据统一性的需要
短句来源
     Based on 40 years climate materials of the mountainous and plain area,20 years runoff materials of the three rivers in the Sangong River Basin,calculating and correlation analyzing the climate and runoff materials,the main results are as follows: the temperature of the mountainous and plain area shows a rising trend,the 1990s is the largest rising range of the temperature,and the winter is the largest rising range of the temperature in the seasons;
     选取三工河流域内的山区和平原区40 a来气候资料和流域内三条河流20 a来径流资料,对气候和径流资料进行计算和相关性分析,结果表明:山区和平原区气温总体都呈上升趋势,90年代是升温幅度最大的年代,冬季气温升高幅度最大;
短句来源
     In this paper,the system self-memory model is introduced in the prediction of hydrologic time series,the differential equation describing dynamic characteristic of hydrologic system is deduced,and the prediction model of system self-memory of hydrologic time series is established. Also,with Guide hydrological station on the upstream of Yellow River as the study subject,the annual runoff materials from 1919 to 1997 are used to test the model.
     将“系统自记忆模式”引入到水文时间序列预测中,推导了描述水文系统动力特性的微分方程,建立了水文时间序列预测的系统自记忆预测模型,并以黄河上游贵德水文站1919~1997年径流资料对该模型进行了验证。
短句来源
  相似匹配句对
     Materials:
     材料:
短句来源
     Materials
     材料
短句来源
     Forest and Slope-runoff
     森林对坡面产流的影响研究
短句来源
     runoff increased with the precipitation.
     径流随着降水的增加而增加。
短句来源
     Forest and Slope-Runoff
     森林与坡面产流研究
短句来源
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  runoff materials
Bagrids in Bahr Shebeen Nilotic canal depend mainly on fish, insects and shrimp as well as fish embryos for food and their stomachs included runoff materials (e.g.
      


The source distribution pattern and nature of geochemistry of the organic carbon, nitrogen, phosphorus and silicon in the surface sediment of Hangzhou estuary and its adjacent continental shelf are described in detail. The results show that the organic carbon and nitrogen which mainly come from the Changjiang River runoff materials are controlled by the combined effects of many factors. Phosphorus and silicon which come from the Qiantangjiang River runoff and the weathering of the coastal rocks exist...

The source distribution pattern and nature of geochemistry of the organic carbon, nitrogen, phosphorus and silicon in the surface sediment of Hangzhou estuary and its adjacent continental shelf are described in detail. The results show that the organic carbon and nitrogen which mainly come from the Changjiang River runoff materials are controlled by the combined effects of many factors. Phosphorus and silicon which come from the Qiantangjiang River runoff and the weathering of the coastal rocks exist mainly in clastic rocks. The complicated material source in the north than in the south of the study area results in the higher correlation between elements in the south than in the north. The coarse sediment is favourable for the oxidation of nitrogenous compounds and the fine sediment is favourable for teh formation of a reduction environment, therefore, the C/N ratio in the sediment decreases with the increasing clay content.

本文通过对杭州湾及其邻近陆架区29个表层沉积物样中有机碳、全氮、全磷和全硅的资料分析,及与水文、地质、矿物等资料的对比研究,详细地探讨了研究区沉积物中有机碳、全氮、全磷和全硅的含量分布、来源及地球化学特征。

The runoff material of month in hydrologic calculation is very important. The series of the runoff material in month is a stochastic process. As a result of the complex nature of hydrologic appearance,it can't be desoribed by stationary cumulative destribution. But after making some reasonable hypotheses,it can be a stable stochastic process that is satiafied with ergodic theorem.By using MAPKOB recurrent model can produce man-made series of runoff material,so as to meet the reguirements of...

The runoff material of month in hydrologic calculation is very important. The series of the runoff material in month is a stochastic process. As a result of the complex nature of hydrologic appearance,it can't be desoribed by stationary cumulative destribution. But after making some reasonable hypotheses,it can be a stable stochastic process that is satiafied with ergodic theorem.By using MAPKOB recurrent model can produce man-made series of runoff material,so as to meet the reguirements of programme design & so on.This essay takes TOTONG river as example,simulates its series of runoff material in month by using MAPKOB model.

水文统计中的月径流资料是非常重要的.月径流系列是一随机过程,由于水文现象的复杂性,难以用准确的分布函数来描述.但作出某些合理的假设后,可将其变为符合各态历经定理的平稳随机过程.用Mapkob自回归模型可以生成人工月径流系列,以满足规划、设计等方面的要求.本文以三屯河为例,用Mapkob模型模拟了该河的月径流系列.

The river runoff is the main part of basin water resources. As one of the mathematical ways to study the random phenomena, regression analysis is the important tool to study the uncertainty of basin water resources. Based on the river runoff materials collected from three typical different survey stations located spatially in upper, middle and down stream of Lancang River, regression analysis is made, and the result is that there exists beeline regression relativity in the materials from the three...

The river runoff is the main part of basin water resources. As one of the mathematical ways to study the random phenomena, regression analysis is the important tool to study the uncertainty of basin water resources. Based on the river runoff materials collected from three typical different survey stations located spatially in upper, middle and down stream of Lancang River, regression analysis is made, and the result is that there exists beeline regression relativity in the materials from the three different survey stations, so it is possible to make a loss for the runoff materials in these survey stations.

河道径流是流域水资源中最重要的组成部分 .回归相关分析作为研究随机现象的重要数学方法 ,在水资源不确定性分析中具有广泛应用 .基于对澜沧江干流三个典型站点收集到的径流资料 ,通过相关回归分析应用 ,结果表明 :澜沧江上、中、下游三个典型站点的径流资料存在显著回归相关性 ,对收集到的不完善径流数据 ,可以进行适当插补和内延与外展应用 ,满足了研究中对典型站点径流数据统一性的需要

 
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