The Surface Runoff change main depends on precipitation change.
径流量的变化主要取决于流域降水量的变化。
The surface runoff output is 9.4% of the average annual rainfall.
以地表径流形式输出该系统的水量占年均降雨量的9.4 %。
Slope length is one of the important geomorphologic factors affecting the surface runoff and sediment yield.
坡长是影响坡面径流和水流侵蚀产沙的重要地貌因素之一。
The study of the surface runoff system model is the crux involving relevant concentrational flow theory in hydrology.
地面径流系系统模型的研究，是涉及水文学有关汇流理论的核心问题。
But the surface runoff, subsurface runoff, ground water and runoff are mostly effected by precipitation. The temperature influence on them is comparative less.
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。
The results show that the surface runoff mainly are formed in the middle and the high mountainous area in the inland arid areas and dissipate in the pediment plain and desert.
结果表明，内陆干旱地区的地表径流主要形成于中、高山区，散失于山前平原和沙漠。
How to cut down the surface runoff, to exterminate or to reduce the disaster of urban water logging, protect the city's water ecosystem environment, have become an important topic concerned widely.
如何有效地削减暴雨径流，减少或根除城市水涝灾害，保护好城市水生态环境，已成为一个广受关注的重大课题。
The forest crown interception precipitation, the penetration speed of soil, and the surface runoff of Larix Kaempferi forests in Funiu Mountain in Western Henan Province were measured in this paper.
测定了豫西伏牛山区日本落叶松林的林冠截流降雨、土壤渗透速度和地表径流。
The new study focused on surface melt, runoff and the number of days when bare ice, free of snow, is exposed to the Sun's radiative force.
这项新研究的重点是表面融化，径流以及暴露于太阳辐射下的裸冰和无雪天数。
The runoff coefficient of every underlying surface was forecasted in different rainfall conditions by ANN models and compared with conventional method as well.
用该方法对不同降雨条件下每种下垫面的径流系数进行了预测，并与传统方法进行了比较。
When surface cover of natural grassland reaches 90%, the benefits for grass reducing surface runoff is above 90% and not any erosion occurs.
当草地地面覆盖达90%时，草被拦蓄径流效益达90%以上，而基本上无侵蚀发生。
The soil solute transport with surface runoff and sediment was greatly impacted by the soil texture and solute character.
土壤质地和溶质性质对土壤溶质地表迁移过程有较大影响。
Surface water resources characteristics, such as rainfall, runoff, water quality and so on, were analyzed using the long-term observation data in Yantai City.
根据烟台市多年统计资料，从降水、径流、水质、蒸发等方面对水资源特性进行了分析。
The uneven natural slope surface has resulted in concentrated runoff, causing the variations of velocity and increased energy of unit width discharge.
自然坡面的非均匀性导致径流集中，由此引起径流流速变化及单宽流量所具有的能量增加。
The rainstorm runoff is one of the major surface source pollution, its control and management is the main content of the regional water quality improvement plan.
暴雨径流是重要的地面污染源之一，对它的控制和管理是区域水质改善计划中的主要内容。
Under base employ of the coated urea, the total N concentration of farm surface water was near the contract level, and the possibility via runoff was very little.
结果表明，包膜尿素在基施情况下，田面水总氮浓度始终接近对照水平，通过径流损失的可能性很小。
The impacts of climate change, groundwater overdraft, surface runoff and food production changes on water resources are analyzed.
分析了气候变化、地下水超采、地表径流及粮食产量变化等方面对水资源的影响。
Firstly, it directly influences the periodic variation of precipitation and air temperature, then influences the periodic variation of runoff based on the underlying surface.
天体运动直接影响降水和气温的周期变化，进而在一定的下垫面条件下，影响径流的周期变化。
The purpose of the city storm surface runoff model is to draw the surf ace runoff hydrograph and simulate the process of storm runoff.
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 road runoff characteristics as water harvesting surface plays an important role in the collection and utilization of rainwater.
作为雨水收集面的道路，其产流特性对于雨水收集利用起着重要作用。
Subgrade slope surface erosion is defined as a phenomenon which rain runoff destroys subgrade slope surface, and washes away soil on the surface of slope.
路基边坡冲刷是指降雨形成的坡面水流破坏路基边坡坡面，并冲走坡面表层土体的现象。
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.
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。
The urban rainfall runoff pollution originates from the precipitation, the urban surface and the drainage system.
城市降水径流污染中的污染物主要来自降水、城市地表和排水系统。
Rainfall-runoff simulation is the very important technique for soil erosion, non-point source pollution, surface water balance calculation and some other study fields.
降雨径流模拟是土壤侵蚀、非点源污染、地表水量平衡计算等众多研究领域的非常重要的技术手段。
Based on analyzing the physical process of runoff generation, a method for partition of surface and ground net rainfall and runoff generation is proposed.
对流域产流的物理过程进行了分析，建立了地面及地下净雨划分的数学公式及流域产流的计算方法。
The effects of vegetation type, rainfall intensity, surface crust, and weed cover on rainfall infiltration and runoff on grassland and bare land were studied under simulated rainfall conditions.
利用野外模拟降雨试验，研究了植被类型、降雨强度、地表结皮、覆盖杂草等对荒草地和裸地降雨入渗、产流的影响。
The results showed that the correlation between total surface runoff and erosion modulus with land use types and those influence factors above was significant.
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 concentrations of nitrogen and phosphorus in runoff water is higher than that in infiltrated water. Surface runoff is the main way of nitrogen and phosphorus losses under the condition.
径流液中各形态氮、磷浓度远高于渗漏液，而两种流失方式下排水量差异不显著，故地表径流是该条件下氮素和磷素流失的主要方式。
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