The flow in each sub basin is calculated and then added together to get the runoff concentration of the main river.
在模型建立的过程中， 将流域划分为几个子流域，先对每个子流域中的产流进行计算， 通过河道进行汇流。
This paper focuses on mini basin characteristics of runoff concentration based on the simulation and computation of 13 mini basins.
该文通过13个特小流域的汇流模拟计算，研究了特小流域的汇流特征。
Runoff concentration can be generalized as transposition and attenuation of flood waves, which are the basis of most basin runoff concentration models.
流域汇流可以概化为洪水波的平移和坦化作用，平移和坦化模拟是大多数概念性汇流模型的核心。
The transposition effect is very small and the attenuation effect is the main of storage effect in mini basins. So mini basin runoff concentration models should focus on the si…
模拟结果发现，特小流域汇流的平移作用不明显，流域调蓄作用主要是坦化作用，汇流模型主要是坦化作用的模拟。
The modeling result shows that land use structure and pattern change results in the increase of maxi- mum flood peak and flood discharge and the decreases of runoff concentration time.
模拟结果表明，土地利用结构与格局的变化，使得暴雨洪水的最大洪峰流量和洪量加大，汇流时间变短。
The results show that during storm period, non - point pollution concentration and momentary toss are co - occurence with the peak value of runoff, their relations are very closely.
研究结果表明：暴雨期内，非点源污染物浓度及瞬时流失量与径流峰值几乎同步出现，它们之间存在着非常密切的关系。
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。
It was showed that the mean concentration and accumulated amounts of runoff losses of nitrogen were highly correlated with N-application rates.
结果显示，随施氮量增加，农田径流液中氮素的平均浓度和氮素径流累积流失量提高，两者间呈显著正相关。
The TOC concentration in runoff was much higher during high precipitation months.
降水量较大的月份地表径流中toc浓度较高。
The components in the urban stormwater runoff are very complicated, and its range of concentration change is very big, so it is very difficult to dispose of the urban stormwater runoff.
城市雨水径流污染物组分复杂，浓度变化大，可生化性差，排放间歇且无规律，故处理起来难度较大。
The result shows that the peak of pollutant concentration is ahead of or synchronous with that of runoff, and heavy pollution occurs in initial period of storm runoff.
结果表明：污染物浓度的峰值一般提前或同步于径流量的峰值，初期径流污染较重；
Soluble nitrogen concentration in surface runoff from cultivated land is highest, and then is in runoff from village, barren grassland and orchard.
不同地表径流中的溶解态氮浓度的差别较大，村庄最高，其次是耕地、荒草坡、林果地。
Surface effects of the initial solute concentration were the key to solute loss, also an important parameter of the simulated runoff solute loss.
地表初始溶质浓度是影响溶质流失量的关键，也是模拟径流溶质流失的重要参数。
The concentration of dissolved K and amount of dissolved K, rapidly available K, and slowly available K lost in the runoff increase obviously with the increase of rain intensity.
雨强（冲刷强度）增大，溶解态钾浓度，溶解态钾、缓效钾和速效钾流失量明显增加。
The results show that TP concentration in village runoff is highest, and then is in runoff from sloping cultivated land, orchard and forestland.
结果表明，径流中总磷的浓度以村庄最高，其次为坡耕地、林果地和荒草坡。
Soluble phosphorus concentration in village runoff is 10 times of that in barren grassland runoff.
村庄径流的溶解态磷浓度为荒草坡径流的10倍。
However, during the second rainfall, there was notable discrepancy for chemical concentration in runoff from the different conditions.
二次降雨过程中径流养分浓度存在显著差异。
The quality of different roof runoff exist differences as well, asphalt roof runoff have higher concentration of pollutants while paving roof runoff roof surfaces have better water quality.
各屋面雨水径流中污染物含量有所不同，沥青屋面雨水径流污染物含量较高，铺砌屋面雨水径流水质较好。
Advances in recent 30 years in the theories of watershed runoff generation, flood wave movement in rivers, and watershed flow concentration are briefly introduced.
根据国内外文献资料，对近30年来流域产流理论、河道洪水波运动理论和流域汇流理论的新进展作了扼要介绍。
The road runoff is most seriously polluted , especially in the early rainfall the pollutant concentration was significantly higher than concentration in roof runoff and lawn runoff.
路面雨水径流污染最严重，尤其是初期雨水各污染物浓度明显高于屋面和绿地径流中的污染物浓度；
It is worthy to study whether making technique scheme of tour gauging has an influence on the parameters of runoff yield and flow concentration in small catchment, and how big the influence is.
水文巡测技术方案的制定对小流域产汇流参数是否存在影响，影响有多大，同样具有一定的研究价值。
After the peak runoff rate, sediment concentration decreases and variation amplitude reduces.
峰值径流流量后，含沙量降低，表现为变化幅度小的低含沙量特征。
The temporal and spatial distribution of water body change, and the sediment concentration in runoff increase.
水体的时空分布被改变，径流的含沙量增加。
Rainfall simulation experiment was performed to evaluate nitrogen losses from farmland and show the effect of fertilizer application on nitrogen concentration and losses of runoff.
在室内降雨模拟试验条件下，研究暴雨径流中农田氮素养分流失及施肥处理的影响。结果表明，农田暴雨径流氮养分的流失量与累积径流量成正相关；
Under the same other conditions, runoff generation, sediment concentration and sediment yield of the soil with smaller bulk density were relatively greater.
在其它条件相同时，容重较小的土质，其径流量、含沙量和产沙量相对较大。
Design and development of the experimental system of runoff-producing and flow concentration of city underlying surface.
设计并研制了城市下垫面降雨产汇流实验系统。
This text is based on analyzing characteristics of error generation of Zhanghe reservoir flood, establishing anti-error runoff yield and concentration forecastin.
在分析漳河水库入库洪水误差特点的基础上，建立了入库洪水产汇流预报方案。
This text is based on analyzing characteristics of error generation of Zhanghe reservoir flood, establishing anti-error runoff yield and concentration forecastin.
在分析漳河水库入库洪水误差特点的基础上，建立了入库洪水产汇流预报方案。
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