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。
It is payed a great attention to analyse the decomposition of the runoff process, the feature and modelling method of each component.
着重分析了径流过程的分解、各组成分量的特性及其模拟方法。
The impact of temperature and precipitation changes on annual and monthly runoff process in headwater area of the Yellow River was analyzed by using WEP-L model.
本文应用WEP-L模型分析了气温和降水变化对黄河源区年、月径流过程的影响。
The calibration of runoff process for a number of hydro stations in distributed hydrological model can be rapidly done through the generalization of this method.
该方法推广后可实现对分布式水文模型中多个水文站的径流过程进行快速率定。
In this study, simulating rainfall was applied to study the runoff process and infiltration rate of soil under the cover of vegetation at the preliminary succession stages.
利用模拟降雨装置,研究了演替恢复初期不同植被覆盖以及不同处理下坡面降雨的产流过程和入渗率。
In this paper, the test model of fuzzy hypothesis for the period analysis of the runoff process over a number of years and the method of a fuzzy statistical inference are presented.
本文提出了多年径流过程周期分析的模糊假设检验模型及模糊统计判断方法。
The effects of soil and water conservation on surface runoff process in small watersheds of the Qinba mountainous region are analyzed by the parallel observation in two comparable watersheds.
采用小流域平行对比法,分析秦巴山区小流域的次降雨洪水过程,研究了水土保持综合治理对小流域洪水的作用过程。
Hydrological analysis of precipitation runoff routing process in watershed is of very importance.
流域内降雨径流流动过程的水文分析具有重要意义。
In this paper, the mechanism of runoff-producing and flow confluence in karst area, the structure function of karst hydrological conceptual model, and the problem of modelling process are discussed.
本文侧重讨论岩溶水循环中产流与汇流、岩溶区流域面积确定、地表水与地下水划分、以及解决这些问题的技术方法。
As one of the most active, pervasive and susceptible disaster-causing factors, storm runoff is prone to induce disaster chains in its formation process.
暴雨径流是一种最普遍、最活跃、最敏感的致灾因子,在其形成过程中易诱发灾害链。
The purpose of the city storm surface runoff model is to draw the surf ace runoff hydrograph and simulate the process of storm runoff.
城市雨水地表径流模型的目的是推求城市雨水地表径流的流量过程线,从而模拟雨水的地表径流过程。
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 observed process of sediment delivery is similar to that of runoff in variation.
实测输沙量变化过程与实测径流量变化过程相似。
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。
As an important component in hydrological process, forest vegetation influences critically the spatial distribution of hydrological fluxes such as precipitation, evapo-transpiration, and runoff.
森林植被层作为水文环境要素,对降水、蒸散和径流等水文通量在空间上的分布特征有着重要的影响作用。
A simple two-layer analytical model was developed to describe the process of dissolved chemical loss in surface runoff from the beginning of runoff occurrence.
本文根据地表径流中溶质流失的流动特征和物理规律,基于矢量合成概念,建立了二层解析模型,描述从降雨开始径流使水溶质在地表的流失过程。
The generation process of runoff and sediment erosion and the hydrodynamic characteristics of flow on forage grass slope with different coverage are quantitatively studied in laboratory.
通过室内模拟降雨试验,研究了不同盖度草地与裸地坡面的产流产沙过程与坡面流水动力学特性。
Infiltration is an important process in hydrologic cycle, in the source region of Yangtze River, infiltration of soil moisture has impact in runoff and plateau ecology.
入渗是水文循环过程中一个重要环节,在长江源区,土壤水分入渗对径流的影响很大,也是高原生态系统重要的影响因素。
Based on analyzing the physical process of runoff generation, a method for partition of surface and ground net rainfall and runoff generation is proposed.
对流域产流的物理过程进行了分析,建立了地面及地下净雨划分的数学公式及流域产流的计算方法。
The study conclusions were significant for the runoff affected with soil and the hydrological process in the watershed.
土壤水分状况影响径流形成。研究结论对评价土壤水分的径流作用及水文过程研究具有重要参考价值。
The hydrodynamic characters of runoff in the process of rill erosion were studied by using runoff scouring experiment under the different slope gradients and the different flow discharges.
通过不同坡度、不同流量的组合放水冲刷试验,对坡面细沟侵蚀发生过程中的坡面流水动力学特性进行了研究。
On the base of having surveyed a lot of karst basins, collected the hydrologic date and analysed the physical process of runoff generating , a hydrologic model was presented in this paper.
在大量岩溶流域查勘及水文资料收集的基础上,分析了岩溶流域径流形成的物理过程,提出了相应的水文模型。
Slope length is one of the important topographical factors that can determine the energy change along a slope and affect the overland runoff and sediment process.
坡长是决定坡面能量沿程变化,影响坡面径流与水流产沙过程的重要地貌因素之一。
Hystersis influences infiltration characteristics and runoff volume during the process of rainfall infiltration runoff.
滞后作用的存在,不但影响降雨过程中的入渗特性,而且影响产流量。
Research shows, during the process of the impact of vegetation to runoff, that mixed forest has the most obvious extension of the rain forest, followed by broadleaved forest, shrubs, bamboo forest;
研究发现,在植被影响径流过程作用中,混交林延长降雨历时作用最为明显,其次为阔叶林、灌丛、楠竹林;
In addition, with the extension of runoff-yielding time during the rainfall process, the sediment from slope tended to accelerate more rapidly than runoff volume increase.
降雨过程中,随着产流时间的延长,坡地产沙量呈加速增加的趋势,而且增加速度显著快于坡面径流。
The human activities have intensively changed the hydrological characteristic of basin underlayer, which affects the basin runoff yielding process.
不断加剧的人类活动强烈地改变着流域下垫面水文特性,从而影响流域产流过程。
Annual runoff volume and annual sediment discharge as a whole take on a synchronously-decreasing trend, and the evolution process is characterized by obvious stages.
年径流量、年输沙量总体均呈同步减少趋势,在演变过程中表现出明显的阶段性。
Because of the spatial-temporal variability and inhomogeneity of natural factors and the uncertainty of human activities, runoff and sediment yielding is a complicated nonlinear process.
由于自然因素的时空变异性和不均一性以及人类活动的不确定性,因此产流产沙是一个复杂的非线性过程。
Because of the spatial-temporal variability and inhomogeneity of natural factors and the uncertainty of human activities, runoff and sediment yielding is a complicated nonlinear process.
由于自然因素的时空变异性和不均一性以及人类活动的不确定性,因此产流产沙是一个复杂的非线性过程。
应用推荐