径流系数

借鉴LID的思路，将径流系数及开发扰动等级作为评价指标，建立了三层次16个指标的评价指标体系。

Draw on the idea of Low Impact Development ( LID ); recommend Runoff coefficient and disturbance levels of development assessment index , this paper built a three levels evaluation index system which contains 16 indicators .

年降水量对年径流系数的影响极显著。

Annual precipitation had significant effects on the annual runoff coefficient .

结果表明：森林覆盖率高的流域拦水能力较高，能显著地削减洪峰、延缓洪水过程，降低径流系数，使次暴雨径流量的变差系数CV增大。

The results are as follows : the watershed with high vegetation coverage can largely intercept water , decrease flood peak , lengthen flood process and intensify variation coefficient in storm runoff .

结果表明：杉木人工林地土壤含水量为404.4mm，土壤贮水能力达1220t／hm2，年径流量474.1mm，洪峰径流系数0.19。

Results showed that average soil water content , soil water storage capacity , yearly runoff , runoff coefficient of flood peak in Chinese fir plantation were 404.4 mm , 1 220 t / hm 2,474.1 mm , 0.19 respectively .

气候因子的变化与鄱阳湖流域径流系数变化的一致性，说明48a来气候变化对径流系数的影响非常显著。

As for seasonal changes , runoff coefficients corresponded well to the climate change from July to September in 1955-2002.This suggests that climate factors significantly influenced the changes of runoff coefficients .

在降雨特征参数中，平均雨强是反映紫色土坡地径流系数、泥沙量和径流含沙量的最好特征参数，I30则能最好的反映紫色土坡地径流量的变化；

Among the rainfall characteristic parameters , average rainfall intensity is a best one to reflect runoff coefficients , silt amount and silt content of runoff , and I_ ( 30 ) is the best one to reflect the change of runoff amount in purple soil sloping farmland ;

城市雨洪控制利用的雨水径流系数分析

Runoff Coefficient Analysis for Urban Stormwater and Flood Control and Utilization

基于径流系数的城市降雨径流模型参数校准方法

Parameter calibration method for urban rainfall-runoff model based on runoff coefficient

典型下垫面径流系数预测的神经网络方法研究

Runoff Coefficient Forecast of Typical Underlying Surface Based on Neural Network Method

径流系数较小的流域，其变化幅度反而大。

The smaller the runoff coefficient is , the larg-er the runoff vary .

年均径流系数与地貌参数之间亦没有表现出明显的趋势性变化关系。

No obvious relationship exists between annual average runoff coefficient and geological parameters .

1955&2002年气候因子对鄱阳湖流域径流系数的影响

Impacts of Climate Factors on Runoff Coefficients in the Poyang Lake Basin in 1955-2002

地表糙度与产流率和径流系数有着一定的相关性。

There is a a certain interaction between runoff coefficient , runoff rate and roughness .

模型计算的1998年、1999年、2000年的综合径流系数分别为0.323、0.508、0.251。

The simulated runoff coefficients are 0.323, 0.508 and 0.251 in 1998,1999 and 2000 respectively .

在径流系数的选取上考虑了前期降雨的影响。

The precipitation in early days was taken into account when selected the runoff coefficients .

径流系数与坡面土壤颗粒的剥蚀率都与抗剪强度呈负指数相关。

The runoff coefficient and soil detachment rate show exponential decline with the shear strength .

大体趋势为，随着土表前期糙度的增加，产流率和径流系数降低。

Basically , as soil surface roughness increase , the runoff coefficient and runoff rate decrease .

不同下垫面径流系数与雨强及历时关系的实验研究

Experimental study on relationship among runoff coefficients of different underlying surfaces , rainfall intensity and duration

用灰色关联法分析森林生态系统植被状况对地表径流系数的影响

Grey correlation analysis of the effect of vegetation status on surface runoff coefficient of forest ecosystems

坡耕地地表径流系数是荒坡地的2.0倍。

The average surface runoff coefficient in cultivated land were 1.0 times large than that in wasteland .

以绿地为下垫面，分析了覆盖度等因素对径流系数的影响。

Taking the greenbelt as underlying surface , the influences of cover degree on runoff coefficient were analyzed .

岷江上游黑水河流域不同景观结构小流域径流系数的比较

Comparison of runoff coefficient of watersheds with different landscape structure in Heishui River basin of Minjiang River upper reach

研究还发现，随着厦门市城市空间的扩展，区域内部不透水面、地面亮温以及表征地表径流产流能力的径流系数均有明显的增加，三者之间呈明显的线性关系。

Obviously , the impervious surface , brightness temperature and runoff coefficient all have increased along with the urban expansion .

对于隐性影响因素则通过径流系数的变化来进行定性分析。

As to the affecting factors of recessive effect , it conducts qualitative analysis through the variations of runoff coefficients .

农作区的径流系数显著高于荒草区（P<0.05）。

The runoff ratio of farming land was higher than that of grass land significantly ( P < 0.05 ) .

路堤边坡的径流系数主要集中在0.1～0.4之间，平均0.29，表明边坡的入渗能力较强。

Mean runoff coefficients is 0.29 , of which show that there are large infiltration capacity in the embankment slope .

流域内地块景观功能值之间差异的大小对月际间径流系数的变化有影响。

Landscape features within the basin land the size of the difference between the value of inter-month changes affect runoff coefficient .

年径流系数的变化和年径流量的变化相似，1980年以前无趋势性变化，1980年后有减小的趋势。

Before 1980 , no trend could be seen , but after 1980 , the annual runoff coefficient tended to decrease .

认为降水强度和降水量是影响黄河河源区径流系数变化的主要原因。

Finally , it is pointed out that rainfall intensity and rainfall volume are the main reasons for runoff coefficient changes .

鄱阳湖流域1955-2002年径流系数变化趋势及其与气候因子的关系

Runoff coefficients change and the analysis of the relationship between climate factors and runoff coefficients in Poyang Lake Basin ( China ): 1955-2002