Impacts of precipitation variations and human activities on annual runoff of the Chao River Basin are evaluated quantitatively based on the rainfall-runoff empirical statistical model.
利用降水-径流经验统计模型，定量评估了潮河流域降水变化与人类活动对流域年径流量的影响程度。
The TN loss fluctuated with rainfall-runoff, but the TP loss showed an increasing trend year by year.
氮流失浓度受降雨径流变化影响显著，而磷流失则表现出逐年递增的趋势；
So, new theory and methods are being urgently needed for the study on the rainfall-runoff forecasting.
因此，降雨径流的研究迫切需要引入新的理论和方法。
Based on digital basin, HEC-1 model, a part of hydrological models in WMS, was selected to simulate the rainfall-runoff process.
在生成数字流域的基础上，采用WMS嵌入的HEC - 1模型进行降雨径流模拟研究。
The research results provided an effective method for the distributed rainfall-runoff model in simulating actual evapotranspiration.
为流域分布式降雨-径流模型提供了可靠的实际蒸散量模拟方法。
It provides approaches to make full use of available spatial technologies and data for rainfall-runoff modeling and technical improvement of hydrological forecast.
这对充分利用现有空间技术和空间数据进行降雨-径流模拟并改进水文预报方法提供了研究途径。
As there have been many widely used watershed hydrological models, it now becomes possible to select a number of different hydrological models in parallel running for rainfall-runoff simulation.
由于目前已有很多比较成熟的流域水文模型，因此我们可以选用几个流域水文模型进行并行运算，来同时模拟流域降雨—径流关系。
Base on investigation of soil and water loss in Baipenzhu reservoir catchment area, experimental research on rainfall-runoff-sediment yield of typical erosion landform and vegetation was carried out.
在对白盆珠水库库区开展水土流失实地调查的基础上，选择库区典型的侵蚀地貌类型与植被类型进行降雨—径流—产沙规律的初步研究。
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。
Rainfall, runoff and vegetation are mainly factors impacting soil loss in red soil watershed.
降雨、径流和植被是红壤小流域土壤侵蚀的主要影响因素。
This article presents the principle of ANN briefly in the application of flood forecast and an improved network algorithm of rainfall runoff forecasting.
简要介绍了人工神经网络用于洪水预报的基本原理，对降雨径流预报的网络模型进行了改进。
Through monitoring farmland runoff and analyzing daily rainfall for 23 years in Shanghai, this paper provided the characteristics of farmland rainfall runoff in Huangpu River Basin.
通过农田降雨径流监测试验，并对上海市历时23年的逐日降雨资料进行汇总与系统分析，确定黄浦江流域农田地表降雨径流特征。
Rainfall runoff is the main factor affecting the formation of nonpoint pollution.
降雨径流是形成非点源污染的主要影响因素。
Sediment incipient motion mechanism of rainfall runoff is the important theoretical foundation for soil and water loss control on sloping land and comprehensive treatment of watershed.
坡面降雨径流泥沙起动规律研究对控制坡面水土流失、开展流域综合治理具有重要意义。
The process of runoff in urban area is mainly influenced by rainfall process and underlying surfaces variation.
城区降雨径流过程主要受降雨过程和下垫面变化的影响。
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。
The characteristics of nitrogen and phosphorus loss from rice field by natural rainfall runoff were studied in Shuangqiao Farm of Jiaxing city, located at the Yangtz river delta region.
采用具有单排单灌的试验小区，对水稻田在多次天然降雨条件下形成的径流中氮磷的流失特征进行了研究。
Being based on the runoff plot investigations, a dynamic model of grey systems about the rainfall, the runoff rate and the soil erosion was introduced by using the grey systems theory.
根据一些径流小区的试验资料，运用灰色系统理论，建立降雨量、径流量、土壤侵蚀灰色系统动态模型。
In different land use systems, the relation among rainfall amount, rainfall intensity and runoff, sediment delivery is different. But they all reached 5% significance level.
不同土地利用方式下，降雨量和降雨强度与系统径流量和含沙量的相关性都达到5%显著性水平。
This paper introduces the geography overview of Suihua, and hydrology characteristic of the city is analyzed for rainfall, evaporation, runoff and situation of ice.
介绍绥化市的自然地理概况，从降水、蒸发、径流、冰情方面分析了该市的水文特性。
The process of soil nitrogen loss in runoff and sediment is restricted by interaction of soil nutrient with rainfall and runoff.
坡地土壤养分流失过程实际上是表层土壤养分与降雨、径流相互作用的过程，土壤养分流失的多少主要受相互作用的限制。
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。
The result showed, that the fastigium of runoff yield and sediment yield were in accordance with the rainfall fastigium.
结果表明：径流小区产流、产沙量的高峰期与降雨量的高峰期相一致。
Based on observation data of experiment plots at the City of Zhangjiakou, analysis was made on the effect of rainfall intensity on the relationship among slope length, runoff and soil loss.
张家口市水保试验站坡长小区五年观测资料表明，降雨强度影响径流量、侵蚀量随坡长的变化。
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 forest vegetation is of great significance to rainfall distribution and regulation of runoff.
大气降雨输入森林后，林冠截留、穿透雨和树干径流构成了新的水量分布格局。
The content of total nitrogen and total phosphorus in every forest runoff is higher than rainfall, and that of Coniferous mixed forest is the highest.
各林分地表径流的总磷、总氮含量均高于大气降水，樟落混交林的总磷、总氮含量最高。
The content of total nitrogen and total phosphorus in every forest runoff is higher than rainfall, and that of Coniferous mixed forest is the highest.
各林分地表径流的总磷、总氮含量均高于大气降水，樟落混交林的总磷、总氮含量最高。
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