direct runoff meaning in English

暴雨径流
地表迳流
地面径流
直接迳流

The instantaneous unit hydrograph theory would be suitable for the high antecedent baseflow and the high rainfall intensity to estimate the direct runoff , but it still needs to prove its fitness with much more cases
在临前基流量较大或降雨强度较大时，应用瞬时单位历线理论分析迳流特性之准确性较高，然确实之适用条件仍有待进一步之研究。
According to the three rives ( liaojaogang , fanshen , yanggang ) in haian county , this paper concluded the quantity of field water pollution source by on the point water monitoring , through respective analysis of direct runoff in urban and countryside
摘要以海安县城镇“三河” （洋港河、翻身河、老焦港河）流域为例，分别对城市地表径流、农村地表径流进行了分析、测算，并通过对水质现场监测，给出了“二河”流域内的面源污染量。