STREAMFLOW ROUTING IN THE INDIAN ARID ZONE

被引：55

作者：

SHARMA, KD

MURTHY, JSR

DHIR, RP

机构：

[1] Central Arid Zone Research Institute, Jodhpur

[2] Indian Institute of Technology, Bombay

来源：

HYDROLOGICAL PROCESSES | 1994年 / 8卷 / 01期

关键词：

STREAMFLOW ROUTING; ARID ZONES; EPHEMERAL CHANNELS; MATHEMATICAL MODELING; FLOOD WAVES;

D O I：

10.1002/hyp.3360080103

中图分类号：

TV21 [水资源调查与水利规划];

学科分类号：

081501 ;

摘要：

A lumped model for streamflow routing in arid ephemeral channels has been developed. The governing equations for movement of flood waves subjected to transmission losses are simplified through a time averaging process to develop an ordinary differential equation describing transmission losses as a function of distance, inflow, channel width, time parameters of flow and effective hydraulic conductivity. The resulting equation has an analytical solution and simulates runoff volume and peak discharge rates for individual storm events. The outflow hydrograph is fairly well approximated with a triangular approximation. The model is simplified and constructed to require a minimum of observed data for calibration. It can also be used for ungauged basins in arid regions through parameterization.

引用

页码：27 / 43

页数：17

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