rainfall intensity

THE SIMULATION AND MODEL OF RAINFALL PROCESS DISTRIBUTION IN FOREST CANOPY ⅰ. The Models of Throughfall, Stemflow and Canopy Interception Under Constant Rainfall Intensity

林冠分配降雨过程模拟与模型Ⅰ.常雨强下穿透降雨、树干径流和林冠截留模型

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The rainfall intensity is also an important factor in slope erosion.

降雨也是影响坡面侵蚀的重要因素，随着雨强的增大，泥沙浓度也在增大，且变化幅度也呈现增加趋势。

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Influence of Slope and Rainfall Intensity on Runoff and Erosion Hydraulic Characteristics on Grassed Roadways thermal etching

坡度与降雨强度对植物路路面侵蚀动力参数的影响热腐蚀；热浸蚀；热力学侵蚀；热蚀；热蚀法

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The results showed that the rainfall intensity is the significance factor that affect the quantity of rain splashing erosion, the quantity of rain splashing erosion showed positive relation with rain intensity, slope and soil moisture, but it showed negative relation with the ply of felt soil.

结果表明，降雨强度是影响溅蚀量的显著因子，溅蚀量与雨径、坡度、含水率呈正相关，与结皮厚度呈负相关。

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Under a bigger flow discharge, the raindrop splash would slow down the velocity of the overland flow, and the higher rainfall intensity, the smaller extent the flow velocity decreased.

当放水流量较大时，降雨使坡面薄层水流流速降低，且雨强越大，流速减幅越小。

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There are good linear relationship between splash erosion, raindrop energy and rainfall intensity. The math model represented that splash erosion in the form of power function and exponential function increased with the raindrop energy and rainfall intensity increased separately.

溅蚀量与雨滴能量、降雨强度之间均存在着良好的线性关系，建立的数学模型显示，当雨滴能量、降雨强度增加时，溅蚀量分别以幂函数和指数函数的形式增大。

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The relations of rainfall intensity and the soil erosion amount and that of rainfall intensity and nutrient loss can be both described by exponential functions.

降雨强度与土壤侵蚀量和养分流失量均呈指数函数关系。

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Results showed that maximum sediment transport rate occurred in 40 m slope length at rainfall intensity less than 2 mm/ min, while it occurred in 60 m slope length at rainfall intensity greater than 2 mm/ min.

结果显示，当雨强小于2.0mm/min时，最大输沙率出现在40m坡长；而当雨强大于2.0mm/min时，最大输沙率出现在60m坡长。

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While rainfall intensity was low, runoff did not increase linearly with slope length, and soil loss did not increase significantly with slope length.

降雨强度较小时，径流量不能用坡长与降雨强度的乘积代替，侵蚀量随坡长增加较慢。

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By analysis of the differences of the four methods on estimating rain intensity at S band of dual linear polarization Doppler radar, the influence of K_ DP numerical method on the estimating rainfall is also studied here.

分析了S波段双线偏振多普勒雷达几种估测降水强度方法的差异，并与地面雨量站资料进行对比，研究了KDP计算方法本身对降水估测的影响。

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The software SPSS analyze the data, the result indicates that there is no relation between rainfall intensity and the average rainfall terminal speed.

通过分析软件SPSS对雨强与平均终点速度的相关性分析，得出雨强与平均终点速度无相关性。

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As a result, as a new kind of satellite soundings, AMSU microwave data are of some utility in analyzing and forecasting the structure of tropical cyclones, and intensity of a spiral rainband and rainfall.

结果表明：AMSU资料作为一种新的卫星微波探测资料，在热带气旋的结构、螺旋雨带的强度及其降水强度的分析预报中具有一定的应用价值。

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Fifth, the rainfall intensity is big.

五是降雨强度大.

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Based on investigations of the CLS model and the VUH model, a flood confluence model is proposed& the decentralized variable kernel model capable of considering both the spatial change of the rainfall and the the influence of the rainfall intensity on the flood confluence.

本文在对CLS模型与变动单位线模型研究的基础上，导出了一个既能考虑降雨的空间变化又能考虑雨强对汇流的影响的汇流模型&分区变动核。

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The peak value of sediment concentration in gully runoff appears earlier than that of rainfall intensity, but in the runoff on accu-mulated steep slope it appears later.

切沟的径流泥沙含量峰值先于雨强峰值出现，堆积陡坡坡面则滞后于雨强峰值；

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Summer ( 6 ~ 8 months ) hot and wet, rainfall intensity and concentration of large variability.

夏季 ( 6～8月 ) 炎热多雨 、 降水强度大、集中、变率大.

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Sediment yield and rainfall intensity related coefficient is 0.495, correlation notability, the sediment yield is increased as the rainfall intensity increased.

产沙量与降雨强度的相关系数为0.495，相关性比较显著，说明雨强越大，产沙量越高。

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The effective rainfall model is defined by correlation analysis, and the threshold valves of critical rainfall and critical rainfall intensity are obtained to predict the time quantitatively.

得到了浙江省区域性滑坡发生的临界降雨量和降雨强度阀值，为实时时间预警提供了定量依据；

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Under the condition of same slope steepness and runoff, sediment delivery caused by rainfall erosion is bigger than that caused by feeding runoff washing. Sediment delivery has increased by 50% when rainfall intensity increases 1 time.

在坡度一致和坡面径流量基本相同时，降雨侵蚀产沙量大于供水径流的侵蚀产沙量，降雨强度增大1倍时，坡面侵蚀产沙量增大约50%；

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Based on the daily rainfall data of 26 stations in 1961-2002 and the precipitation data of 10 stations in 1981-2001 in eastern Qinghai province, the climatic variation characteristics of rain day and rain intensity are analyzed.

利用青海省1961～2002年26个代表站逐日雨量资料和青海省东部地区10个站1981～2001年降水自记资料，分析近40年来青海省雨日、雨强气候变化。

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The most accurate standard is the break point intensity, which deleted 88% more rainfall events and had only 5.3% relative error.

其中时段雨强标准筛选精度最高，可剔除88%以上的降雨事件，只有5.3%的错选度。

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The increase of model resolution, for some cloud microphysics scheme, conducive to forecast heavy rainfall intensity but has very little impacts on the scope and distribution of heavy rainfall.

对部分云微物理方案而言，提高模式分辨率有利于暴雨强度的预报，但对暴雨范围和走向的模拟影响很小。

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According to the present situation of soil erosion in Yellow River source region, this article analyzed the influence of the rainfall intensity and slope in different level on soil erosion by the rainfall splashing erosion experiment in artificial precipitation.

根据黄河源区水土流失现状，用人工降水方法，通过场降雨溅蚀实验，分析在不同雨强和坡度情况下对土壤溅蚀的影响。

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Roof runoff water quality was affected by rainfall, rainfall intensity, roof material, season and air temperature.

屋面径流水质主要受降雨量 、 降雨强度 、 屋面材料 、 季节和气温的影响.

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Rainfall intensity control range from 12.8mm/h to 84.0mm/ h, rainfall uniformity are above 80%, partly achieve 98%.

降雨强度控制范围12.8mm/h～84mm/h，雨滴直径大小及其分布与自然降雨相似。有效降雨面积1.6m~2～8m~2，降雨均匀度均在80%以上，局部达到98%。

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The distributions of rainfall intensity were greatly different between two seasons, and the light rain was dominant in dry seasons and heavy or torrential rain was dominant in rainy seasons. Light and moderate rain ( < 25mm) accounted for 91% of annual rain days.

降雨强度分布的季节差异较大，干季以小强度降雨为主，而大雨基本集中在雨季，

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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。

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With a view to the computation of design flood with instantaneous unit hydrograph, the applied condition of confluent parameter m_1 for nonlinear revision and the selection of critical rainfall intensity parameter in the revision formula are researched.

针对瞬时单位线计算设计洪水过程中，对单位线汇流参数m1进行非线性改进的运用条件和改进公式中采用的临界雨强等参数的取值等进行探讨。

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