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CRC PUBLICATIONS |
Evaluation of Two Daily Rainfall Data Generation Models
Lionel Siriwardena,
Ratnasingham Srikanthan,
Tom McMahon
Publication Type:
Technical Report
This is a publication of the current CRC for Catchment Hydrology
CRC Program:
Climate Variability
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Publication Keywords:
Rainfall/Runoff Relationships
Modelling (Hydrological)
Modelling (Stochastic)
Statistical Analysis
Precipitation (Atmospheric)
Rain
Stream Flow
Transition Probability Matrix Model
Daily and Monthly Mixed Model
DMMS
TPM
SIMHYD
Evaluation
Calibration
Catchment Areas
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Abstract / Summary:
Preface
One of the goals of the Climate Variability Program in the CRC for Catchment Hydrology is to provide water managers and researchers with computer programs to generate stochastic climate data. The stochastic data are needed at time scales from less than one hour to a year and for point sites to large catchments like the Murrumbidgee and Fitzroy.
The first technical report in this series, 'Stochastic Generation of Climate Data: A Review' (CRC Technical Report 00/16), reviewed methods of stochastic generation of climate data and recommended the testing of a number of techniques. The second technical report, 'Stochastic Generation of Annual Rainfall Data' (CRC Technical Report 02/6), compared the first order autoregressive and hidden state Markov models for the generation of annual rainfall data. The third technical report, 'Stochastic Generation of Monthly Rainfall Data' (CRC Technical Report 02/8), evaluated the method of fragments and a nonparametric model for the generation of monthly rainfall data.
This report evaluates the Transition Probability Matrix model with Boughton's correction for interannual variability (TPM) and the simplified Daily and Monthly Mixed (DMMS) model for the generation of daily rainfall data. The report also compares the statistical characteristics of the daily, monthly and annual streamflow data simulated by a rainfall-runoff model using stochastic daily rainfall obtained using the TPM and DMMS models with the historical streamflow characteristics.
Dr Francis Chiew
Program Leader
Climate Variability Program
The report is available for downloading below. Printed copies can be purchased from the Centre Office for $27.50 per copy (includes 10% GST, and postage and handling in Australia).
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Centre Office:
CRC for Catchment Hydrology
Dept of Civil Engineering
Building 60
Monash University Vic 3800
Tel: +61 3 9905 2704
Fax: +61 3 9905 5033
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