化学溶蚀速率与地表径流量呈正相关关系。
Chemical erosion rate has a positive correlation with runoff.
开发建设项目建成后往往使地表大面积硬化,从而改变项目区入渗、蒸发、地表径流量和特性。
Usually the surface would be hardened in a large area after completion of development and construction projects.
而地表径流量、次地表径流量、地下径流量及河川径流量主要受降水量变化的影响,受气温变化的影响相对较小。
But the surface runoff, subsurface runoff, ground water and runoff are mostly effected by precipitation. The temperature influence on them is comparative less.
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.
对于大多数湖泊,特别是那些被森林环绕的湖泊来说,来自地表径流的流量太小,无法产生明显的效果。
For the majority of lakes, certainly those surrounded by forests, input from overland flow is too small to have a noticeable effect.
城市雨水地表径流模型的目的是推求城市雨水地表径流的流量过程线,从而模拟雨水的地表径流过程。
The purpose of the city storm surface runoff model is to draw the surf ace runoff hydrograph and simulate the process of storm runoff.
潜水河雨后地表径流由地表下潜水、雨水地面上径流、雨水风化层径流构成,三部分水均随河道流量的增减而增减。
Stormflow consists of phreatic water, surface runoff and weather horizon-passing rain. The rise and drop of their discharge are consistent with that of the river discharge after rain.
目前,我国采用单一地表的平均径流系数计算雨水管渠的设计洪峰流量,这虽然使计算简化,但不尽合理。
The designed flood peak flow in storm sewer is usually calculated by adopting a constant average runoff coefficient at present in China, simple as it is, it's not reasonable enough.
基于减小地表径流、土基渗透能力及铺装溢流量等方面因素,设计透水性沥青混合料的目标孔隙率及铺装厚度;
The target porosity and thickness of pavement of the permeable asphalt mixture on the basis of the factors such as reducing the runoff, the filter ability of soil base and pavement overflow.
径流流量、流速、水深以及地表坡度是水动力学特性的重要参数,且相互关系密切。
Relationships between flow velocity, flow depth, flow discharge, and slope gradient were simulated in a hydraulic flume.
河水基流量是地下水资源量,应从地表水径流量中扣除。
The base discharge of river is a type of amount of ground water resource which should be deducted from surface water discharge.
模型能合理反演地表温度的空间格局和河道日径流量,多年年径流的模拟误差小于10%。
The modelled spatial patterns of surface temperature and daily runoff are in well agreement with the observatio with the mean relative error less than 10%.
对山东省胶东地区部分主要河流年降水量和年径流量序列进行了分析,重新评价了该地区的降水资源及地表水资源。
At last, taking eight rivers located in the east part of Shandong Province as an example, the re-estimated precipitation resources and surface water resources were given.
对山东省胶东地区部分主要河流年降水量和年径流量序列进行了分析,重新评价了该地区的降水资源及地表水资源。
At last, taking eight rivers located in the east part of Shandong Province as an example, the re-estimated precipitation resources and surface water resources were given.
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