径流

污水和暴雨径流汇入下水道后被直接排入海港。

The sewers collected sewage and storm runoff and discharged it , untreated , into the harbour .

基于GIS的乌江流域地表径流模拟研究

Simulation of Surface Runoff of Wujiang Watershed Based on GIS

基于相空间遗传BP神经网络的径流预测研究

The study on runoff prediction model of BP neural network based on phase space and GA

SCS模型在小型集水区降雨径流计算中的应用

SCS model application on Calculation of small watersheds rain runoff

基于改进的Elman神经网络的中长期径流预报

Medium-and Long-Term Runoff Forecasting Based on Improved Elman Neural Network

本文探讨了BP和RBF神经网络的模型和结构，学习规则，并构建了径流预测的模型。

This paper discusses the BP and RBF neural network model and structure , learn the rules , and construct the prediction model of the runoff .

地膜覆盖增加了SS的流失，对于其他污染物来说，地膜覆盖降低了污染物随径流的流失。

The plastic mulching increases the drain of SS . To other contaminant , the plastic mulching decreases the drain of contaminant with runoff .

基于地理信息的SCS模型及其在黄土高原小流域降雨-径流关系中的应用

SCS model based on geographic information and its application to simulate rainfall-runoff relationship at typical small watershed level in Loess Plateau

DCCA在黄土高原流域径流环境解释中的应用

DCCA Order Applied in Environment Explaining of Watershed Runoff on Loess Plateau

本文采用水瓶法和径流装置研究了不同温度下摄食和饥饿的日本对虾（Penaeusjaponicus）仔虾（P）的呼吸与排泄。

Respiration and excretion by Penaeus japonicus post larvae were studied during feeding and starvation states at different temperatures , using water bottle method and flow through system .

中国冰川径流的评估及其未来50a变化趋势预测

Glacial Runoff in China : An Evaluation and Prediction for the Future 50 Years

汛期分别选择对各旬径流最有影响的预报因子作为旬径流预报的变预报因子，结合多元线性回归方法和BP神经网络方法构建了桓仁水库汛期旬径流预报模型。

The most influential predictors for each ten-day in flood season are respectively selected as the variable predictors , combined with the multiple linear regression method and BP neural network method , the ten-day runoff forecasting models are constructed .

结果表明：给土壤施KCl后使土壤和径流中的钾流失量增加，施入的KCl主要以溶解态钾的形式流失；

Results showed that the amount of K lost in the runoff obviously increases after fertilizing KCl , KCl mainly loss with the form of dissolved K .

在ELNino当年1~3月和LaNina次年1~3月时，西江流域表现为干旱少雨、径流小的特征。

From January to March in the year of El Nino and the next year of La Nina , Xijiang River Basin shows the characteristics of drought and low river discharge .

在不同降雨特征条件下，产流量、土壤侵蚀量之间差异极显著（P0.01）。（2）地表径流氮磷各形态浓度均随着时间的推移，总体上呈波浪式下降的趋势。

Runoff and soil erosion reached extremely remarkable level ( P 0.01 ) under the influence of rainfall characteristics . ( 2 ) Nitrogen and phosphorus concentrations of surface runoff decreased as a whole with time .

随着降雨量的增大，农田径流污染流失总量增加，地膜覆盖对径流中除SS外其他污染物流失的削减效果也增加。

Along with the increase of rainfall , the total quantity of runoff pollution which is washed away increase . The effect which plastic mulching impairs the drain of contaminant except SS is become obvious .

施肥后田面水中TN、TP和DIP可作为稻田N、P流失的主要指标，应着重控制基肥施用后N、P的径流流失，以及追肥施用后尿素的水解速度。

TN , TP and DIP could be cited as key parameters for N and P runoff loss within 3 days after urea application . A week after fertilization was the critical period for controlling loss of N and P from paddy fields .

在俄亥俄州的中部DarbyCreek流域，用ADAPT模型预测1991～1995年每日的径流数量和质量。

Daily estimates of runoff quantity and quality for a five year period were predicted with the ADAPT model . The study was conducted on the Darby Creek watershed in central Ohio .

得到生态系统可能实际利用的径流性水资源量GR。将生态需水量GE与生态系统可能实际利用的水资源量GR进行平衡分析，计算实际生态耗水，并分析盐碱地无效耗水。

By the balancing analysis between the ecological water demand GE and the available water supply GR , we can calculate the actual ecological water consumption and analyze the unavailable water consumption in the saline land .

条施条件下DP、BAP含量最低，DP/BAP与BAP/TP比值也相对较低，与对照间的差异不明显.施肥方法对径流中TP含量影响较小。

Under line application ( LA ), DP and BAP concentrations were low , DP / BAP and BAP / TP ratio were also relatively low , and the difference compared with control was insignificant .

通过观测地表径流中溶解态反应磷（DRP）、生物可利用磷（BAP）可以监测土壤磷素流失程度。

The quantities of soil phosphorus loss can be effectively received through long-term observation for soil surface runoff concentrations of dissolved reactive phosphorus ( DRP ) and bioavailable phosphorus ( BAP ) .

根据年径流时间序列资料所隐含的时序分段相依性，用门限自回归模型（TAR）来预测年径流，并研制了TAR建模的一整套简便通用的方案。

To effectively utilize information of the section interdependence in the time series of annual runoff , a threshold auto-regressive ( TAR ) model is proposed to predict annual runoff . A simple and general scheme is presented to establish a TAR model .

SCS模型在降雨径流关系上，考虑了土壤类型、土地利用和前期土壤含水量状况，使产流计算建立在较合理的基础上。

SCS model is a small basin design flood model proposed by Soil Conservation Service ( SCS ) of USDA . At rainfall-runoff relationship , SCS model gives consideration to land used , soil type and antecedent soil moisture .

主要研究内容如下：（1）针对水库修建运行改变下游河道天然径流状态的问题，采用变异范围（RVA）法评价河道径流的改变程度，并将其作为生态评价指标应用于水库调度模型中。

The main contents are as follows : ( 1 ) According to that the construction and operation of reservoirs changes the natural runoff of downstream river , the degree of its alteration is evaluated using RVA method .

最后，在有限资料的条件下，根据西安市的基本情况，采用SCS径流曲线模型对2005年西安市三环以内主城区的降雨径流污染负荷进行估算。

Finally , under the condition of limited data , according to basic situation of Xi ' an , using the SCS runoff curve number model , rainfall runoff pollution load of the three circles region of Xi ' an main urban for 2005 is estimated .

hm-2增加到25.0t.hm-2时，地表径流流速与无枯落物覆盖相比减小了57.50%~72.27%；

The results showed that compared with the treatment with no litter coverage , the surface runoff velocity was reduced by 57.50 % ~ 72.27 % when the litter coverage varies from 0.0 to 25.0 t · hm ~ ( - 2 ) .

结果表明：在两种雨强值（70mm和35mm）90min内模拟的降雨过程中，供试的土壤产生两种径流模式：表面径流和土壤内部壤中流。

The results showed that , under two simulated rainfall intensities ( precipitation 70 ? mm and 35 ? mm , within 90 ? minutes ), there were two runoff forms : surface runoff and subsurface runoff .

模拟结果显示，校准期和验证期的月均径流模拟线性回归系数R2分别为0.86和0.85，Nash-Sutcliffe效率系数Ens分别为0.85和0.83。

Simulation results show that linear regression coefficient R2 of average monthly flow in calibration and validation period is 0.86 and 0.85 , Nash-Sutcliffe efficiency coefficient Ens is 0.85 and 0.83 respectively , it can be founded that all evaluation indicators meet requirements .

利用安塞试验站1985&1992年的气象观测数据和野外坡长径流小区径流量和土壤侵蚀量监测资料，评价了WEPP模型在黄土丘陵沟壑区不同坡长条件下的适用性。

Based on observed meteorological data and measured soil loss data from field runoff plots in 1985 & 1992 at Ansai Comprehensive Experimental Station , the applicability of WEPP model to different slope lengths on hill-gully region of the Loess Plateau was assessed .

春季，珠江冲淡水主要分布在约40m等深线附近，由于珠江仍处在枯水期，径流较弱，且东北季风仍然较强，所以珠江冲淡水主要向西扩散。

In spring , the Zhujiang River diluted water locates mainly between the coastal and 40 meters isobath , and diffuses to west , with reason , that , during the spring the Zhujiang River is in its low water season and the northeast monsoon is still intense .