TRANSFER-FUNCTION MODELS OF DAILY URBAN WATER-USE

被引：104
|
作者：
MAIDMENT, DR [1 ]
MIAOU, SP [1 ]
CRAWFORD, MM [1 ]
机构：
[1] UNIV TEXAS,DEPT MECH ENGN,AUSTIN,TX 78712
来源：
WATER RESOURCES RESEARCH | 1985年 / 21卷 / 04期
关键词：
RAIN AND RAINFALL - WATER RESOURCES - Mathematical Models;
D O I：
10.1029/WR021i004p00425
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
A time series model of daily municipal use as a function of rainfall and air temperature is developed. Total water use is separated into base use and seasonal use. The seasonal use series is detrended, then a nonlinear heat function relating water use to air temperature during rainless periods is employed to deseasonalize the series. The residuals are modeled using Box-Jenkins transfer functions with transformed rainfall and air temperature as independent variables. The model is applied to daily data from Austin, Texas from 1975 to 1981 and accounts for 97% of the variance of daily municipal water use over that period. Forecasts of daily usage are made for a two-week lead time.
引用
收藏
页码：425 / 432
页数：8
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