Runoff depth

Reconstruction of the historical runoff depth field in the Yili area , Xinjiang

伊犁地区历史径流深度场的重建

Model research on impact of land-use change on surface runoff depth : a case study on Shenzhen Region

土地利用变化对地表径流深度影响的模拟研究&以深圳地区为例

Analysis on the Influence of Climate Variation to Runoff Depth of Huangshui River

气候变化对湟水径流量影响分析

Impact of future climate change on runoff depth of the Huaihe drainage basin

未来气候变化对淮河流域径流深的影响

Its shape parameter m was correlated with precipitation , rain times and runoff depth .

其中形状参数m与降雨量、降雨历时和径流深相关，而已度参数a与平均雨强、I30相关。

The results shows , the relationship between individual rainfall runoff depth and it 's sediment yield is very close .

结果表明，次降雨径流深与其对应所产生的侵蚀量关系非常密切；

The rainfall and runoff depth areis greater in the region of river source , which decreases progressively downstream .

河源一带降雨量较大，径流深也相应较大，向下游逐渐递减。

Slope gradient influenced runoff depth and could be described with parabola equations . The critical slope degree was about 25 °, above which runoff rate changed its trend ;

坡度对坡面径流深的影响可用抛物线相关方程进行描述，25°左右是径流深随坡度变化的转折点；

Looking from the relative errors of runoff depth , the number which is smaller than 10 % increases from 66.67 % before the improvement to 83.33 % after the improvement .

从径流深相对误差来看，小于10%的次数由改进前的66.67%增加到83.33%。

Compared with ridged up down , flat , ridged contour and ploughed in contour strips can reduce surface runoff depth and the total runoff deep .

与顺垄相比，平作、横垄和横分都能减少地表径流深和径流总深。

When the spatial pattern of urban area was relatively consistent , the degree of linear fit in changing rate of runoff depth and impervious rate was much better than that of real case of urban distribution .

当流域内城市化的空间格局相对一致时，径流变化率与不透水率之间的线性拟合程度很好。

Through analyzing the erosion energy characteristic of different rainfall capacity , rainfall duration , and runoff depth classes , we draw that rainfall kinetic energy and runoff energy presented positive correlation with the rainfall duration .

通过分析不同降雨量、降雨历时、径流深量级中侵蚀能量特征，得出降雨动能和径流能量都与降雨量基本呈正相关；

It is necessery that the total consumptive use of water in the rotation period is equal to the total effective precipitation ( pre-cipitation minus runoff depth ) in the loess hilly region .

在黄土丘陵区要求林草与农作物地在轮作周期内的总耗水量与有效雨量（降雨量与径流深之差）持平。

The results showed that the higher value of relative information entropy could indicate larger similarity of simulated and observed discharge series in the vertical direction , and would not mean higher Nash-Sutcliffe coefficient and lower relative error of runoff depth .

信息熵越大表明流量计算序列与实测序列过程线在垂向上相似性强，但这并不代表确定性系数大、径流深相对误差小。

The flood peak volume modulus and sediment transport modulus is also power function relationship . But parameter a and b is different largely in different watershed and the relativity is not well than relationship between runoff depth and sediment transport modulus .

流域次降雨洪峰流量模数与输沙模数也为幂函数关系，但参数a、b在不同流域之间差别较大，其相关性不如径流深与输沙模数关系好。

A regression equation for the relationship between runoff depth and rainfall amount was established , and the critical rainfall amount that can induce runoff was found to be 15.85 mm . Rainfall amount and mean rainfall intensity did not significantly influence soil erosion amount .

降雨量和平均降雨强度两因子对土壤侵蚀量影响不显著，土壤侵蚀量与地表径流深在封禁期前4a内能建立回归方程。

In view of the fact about observation data lack of runoff depth , the article considers the area proportion of the paddy field , the dry land , the water and no water seepage layer and establishes the relevant calculation formula for ascertaining evaporation volume of the land .

本文针对无径流深观测资料地区的实际情况，考虑了水田、旱地、水面积和不透水层地面面积比重，建立了相关计算公式推求陆地蒸发量。

Based on correspondence analysis to small watersheds , soil and water conservation eco-environmental water consumption is indicated by reduction of runoff depth , the reduction of runoff depth is 17.62 mm ( Huanghe watershed ) 27.34 mm ( Haihe watershed ) due to the watershed soil and water conservation .

水土保持生态环境用水采用治理前后小流域对比分析方法，经水土保持综合治理后，减少流域径流深约为17.62mm（黄河流域）、27.34mm（海河流域）；

Based on a large amount of field data of erosion and sediment yield in loess zone with different natural and social circumstances , the runoff in depth , the sediment yields and the sediment delivery ratio equations in a small watershed for one storm were derived .

本文在大量实测资料的基础上，采用成因分析方法建立了黄土地区小流域一次暴雨径流深、产沙量及泥沙输移比公式。

Five land-cover scenario models and 24 sets of temperature and precipitation combinations were established to simulate annual runoff and runoff depth under different scenarios .

文章建立了5种土地覆被情景模型及24组不同气温和降水的情景组合，分别模拟不同情景下的年径流量。

The modified natural runoff is 0.633 billion m ~ 3 and the relationship curve of early and later rainfall and runoff depth is basically consistency , reflects the actual recent situation of drainage area and will provide reasonable and scientific base for determining project scale and profit .

还现修正后水库的天然径流量为6.33亿m3，流域前、后期降水-径流深关系曲线基本趋于一致，反映了近期流域的实际状况，为工程规模和效益的确定提供合理科学的依据。

The detained time of runoff is positively correlated to the thickness of the litter , negatively correlated to slope of land and runoff depth .

油松枯落物阻延径流流出的时间与其厚度呈正相关，与地面坡度、径流深度呈负相关；

The effect of forage grass on runoff and sediment reductions was studied by using different flows scouring experiment , and analyzed mechanism of regulating runoff in slope from the duration of producing runoff , velocity and depth of runoff .

通过坡面放水模拟径流冲刷试验，研究了不同放水流量下草地减水减沙效应，并从起流历时、径流流速、径流深度等方面分析了草地调控水沙的机理。