径流模数

南水北调西线工程区地下径流模数、岩体透水性及隧洞涌水量预测

Groundwater runoff modulus , rock permeability and prediction of water quantities of tunnel in West Route of South-to-North Water Transfer Project

针对南水北调西线引水工程区地形地貌和地质条件的特点，研究了该工程区地下水径流模数、岩体透水性的分布规律。

Based on the analysis of topographic and geological conditions along the west route of South-to-North Water Transfer Project , the groundwater runoff modulus and the rock permeability properties are studied .

然后利用地下水动力学法、地下水径流模数法对隧道开挖涌水量进行了预测。

Then water inflow in tunnel is forecasted using groundwater dynamics and groundwater modulus of runoff .

集水区内土地利用类型空间分布均匀，则该集水区对应的径流模数和侵蚀模数年际变化小；反之，土地利用类型空间分布格局不均匀的集水区，径流和泥沙的年际变化则大。

The catchments , which had even land use spatial distribution , had small inter-year variation of both runoff and sediment , and vice versa .

得出：降雨量、降雨历时与径流模数呈幂函数关系，平均降雨强度与其呈对数函数关系；

It is that the relation between precipitation . rainfall duration and runoff is power function , mean rainfall density and runoff is logarithm function .

影响流域洪、枯水径流模数、变差系数的因素很多，如气候、岩性、土壤、地貌等许多自然条件。

There are many factors that affect the runoff modulus and the variation coefficients of flood discharge and low flow , such as climate , rock , soil , land form , and so on .

从宏观上利用化学风化率、离子径流模数及机械剥蚀率之间的关系汇总得出流域内的风化强度，对定量化的结果进行客观地分析评价。

By the whole , the relations between the chemical weathering rates or the runoff modulus and the chemical weathering rate to catch the weathering intensity , and evaluate the quantitative analysis in an objective view .

并分析了运用地下水动力学法和地下水径流模数法相结合，在山地越岭隧道突水预测设计中的应用优势和实用性。

The superiority and applicability of the forecast calculation on the water gushing capacity of tunnel in mountainous regions by applying the groundwater dynamics method combined with the groundwater runoff modulus method are also analyzed in this paper .

地下径流模数通常是由现场测定得出，本论文根据工程经验，提出了地下径流模数测定的优化方法，为今后地下径流模数的选取提供参考。

Underground runoff modulus is usually obtained by field measurement ; this paper proposed some optimization methods for determination of underground runoff modulus based on experience in engineering , as a selection of underground runoff modulus reference for future .

结果表明：坡耕地、杉木林地的次降雨地表径流量、地表径流侵蚀模数与坡度、降雨量、降雨强度、植被盖度等相关显著。

The results showed that the correlation between total surface runoff and erosion modulus with land use types and those influence factors above was significant .

植被发育斜坡的渗入-径流-蒸腾复合型水循环将引起地下水径流模数持续增大及岩体综合质量的渐进性衰退，为斜坡整体滑移奠定基础。

The compound circulation model of ' Infiltration-groundwater runoff-transpiration ' in vegetated slopes lead to the continued increase of groundwater runoff rate and the gradually dropoff of rock-mass composite quality .