查询词典 runoff

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。

According to hydrochemistry monitoring material of northwest rivers in recent five years,and compared with the first northwest rivers water resources investigation appraisal result in 80's of last century,we analyzed the main rivers hydrochemistry condition,runoff degree of minerali...

根据近5 a来对西北诸河的水化学监测资料，统计出了主要河流水化学状况；分析了河川径流矿化度、总硬度和水化学类型的地区分布，并与20世纪80年代第一次西北诸河水资源调查评价的结果进行了比较。

The formation of hydrochemistry ingredient is primarily leaching and dissolving, and the trace element ingredient is rich, which reflect that the groundwater passed through a long and complex runoff process cycle.

水化学成分的形成以溶滤、溶解作用为主，微量元素成分丰富，反映了地下水经过了漫长和复杂的径流及深循环过程。

According to hydrochemistry monitoring material of northwest rivers in recent five years, and compared with the first northwest rivers water resources investigation appraisal result in 80's of last century, we analyzed the main rivers hydrochemistry condition, runoff degree of mineralization, total hardness and the hydrochemistry type distribution.

根据近5a来对西北诸河的水化学监测资料，统计出了主要河流水化学状况；分析了河川径流矿化度、总硬度和水化学类型的地区分布，并与20世纪80年代第一次西北诸河水资源调查评价的结果进行了比较。

Analysis of hydrographical characteristics of Fenshui River was done based on data over the years of preciptation,runoff,storm flood,sediment,temperature,evaporation etc.

结合1952-2000年水文实测资料，从降水、径流、暴雨洪水、泥沙、水温、蒸发等水文要素出发，对分水江流域的水文特性做了系统分析。

Data consists of runoff records of 30 hydrometric stations in North China in past years, also of rainfall and temperature records over past 40 years in 160 meteorological stations in China.

资料包括华北30个水文站的历年径流数据，全国160个气象站四十余年的雨量和气温数据。

Urban roof is one of the components of urban imperviable areas and the roof runoff is an important source of urban nonpoint source pollution.

城市屋面是城市不透水面积的一个重要组成部分，屋面径流是城市非点源污染的一个重要来源。

The research mainly includes:(1) As for some existing problems in simplified graded-evaporation calculation anddescription of catchment impoundage, in the dissertation, taking Dahuofang Runoff Model foran example, the function of membership grade was used to fuzzily describe the evaporationand impoundage. It can solve parameter sensitivity resulted from original graded-evaporationcalculation and get a reasonable evaporation result.

主要研究内容和成果如下：(1)对产流模型中采用分级简化计算蒸发和流域蓄水容量描述存在的问题，以大伙房模型为例，首先利用隶属度函数对蒸发和蓄水容量进行模糊描述，解决了原分级计算导致蒸发参数敏感，蒸发量计算不合理的问题。

Based on the experimental data from Guilin Irrigation Experiment Station in Guangxi Autonomous Region,the relation of rainfall utilization and surface runoff in paddy fields under different rainfall frequency and different irrigation regimes is studied;i.e.combining shallow water depth with wetting and drying,intermitted submerged irrigation and traditional flooding irrigation.

以广西桂林试验中心站多年实测降雨资料为依据，研究不同降雨频率下稻田降雨利用率及水稻不同生育阶段的径流关系，以期为减少农业面污染的水肥管理提供理论依据和实践指导。1材料与方法桂林试验站多年来采用传统灌溉、间歇灌溉和&薄、浅、湿、晒&灌溉方式进行早稻和晚稻田间试验。

Surface water basically has fluvial water and laky water, by water of be in harmony of atmosphere precipitation, glacier and groundwater supply, with river plain runoff, land evaporates and soil is excreted into the form of ooze.

地表水主要有河流水和湖泊水，由大气降水、冰川融水和地下水补给，以河川径流、陆地蒸发和土壤入渗的形式排泄。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。