instantaneous unit hydrograph是什么意思_instantaneous unit hydrograph中文

instantaneous unit hydrograph中文什么意思

瞬时单位过程线
瞬时单位线

instantaneous: adj. 即刻的，瞬间的。 an instantaneo ...
unit: n. 1.个体，一个，一人。 2.(计值、组织、机构)单 ...
hydrograph: n. 1.自记水位计，流量速度计算仪。 2.水文图，水文 ...
unit hydrograph: 单位过程线; 单位量曲线; 单位流量曲线图; 单位流量图; 单位水历线; 单位线
composite unit hydrograph: 复合单位过程线

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Study of estimating instantaneous unit hydrograph applying genetic algorithm
遗传算法在估计瞬时单位线参数中的应用
Forest ecosystem ; hydrological system ; global change ; guandaushi watershed ; instantaneous unit hydrograph
森林生态系、水文系统、全球变迁、关刀溪集水区、瞬时单位历线
According to the collected data in first two years , the study tried to simulate the runoff model by the instantaneous unit hydrograph theory and analyzed the data , the results were shown as follows
本文系以瞬时单位历线为基础，进行迳流历线之模拟，同时将分析整理前两年之观测资料，所得之初步结果列述如下：
The instantaneous unit hydrograph theory would be suitable for the high antecedent baseflow and the high rainfall intensity to estimate the direct runoff , but it still needs to prove its fitness with much more cases
在临前基流量较大或降雨强度较大时，应用瞬时单位历线理论分析迳流特性之准确性较高，然确实之适用条件仍有待进一步之研究。
The geomorphological instantaneous unit hydrograph ( giuh ) is viewed as the frequency distribution of the times of arrival of individual water deoplets at the catchment outlet . the travel path , for a typical hillslope cell . consists of a hillslope fraction , corresponding to overland flow and a stream fraction , corresponding to concentrated channeled flow . to obtain the time of travel , velocities must be defined . hillslope and stream velocities vary with location and must be strongly correlated with slope , and therefore a spatial distribution of velocities and hence of travel times could be obtained . the present methods of giuh neglect any time delays associated with overland flow pathways
地貌单位线被看作是流域上各水质点在弱相互作用下，到达流域出口汇流时间的频率分布。对于一个典型的山坡型网格单元，汇流路径由两部分组成，即坡地部分和河道部分，为了得到汇流时间，必须首先确定汇流速度。坡地和河道的汇流速度随着区域位置而变，并且必然与坡度有关，因此，可首先计算流速的空间分布，进而得到汇流时间的空间分布。

instantaneous unit hydrograph中文什么意思

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