Drainage Design Manual, Hydrology - Flood Control District of ...
Drainage Design Manual, Hydrology - Flood Control District of ...
Drainage Design Manual, Hydrology - Flood Control District of ...
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<strong>Drainage</strong> <strong>Design</strong> <strong>Manual</strong> for Maricopa County<br />
<strong>Hydrology</strong>: Application<br />
1<br />
9 APPLICATION<br />
TABLE OF CONTENTS<br />
9 APPLICATION<br />
9.1 RAINFALL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2<br />
9.1.1 Procedure for the Development <strong>of</strong> the <strong>Design</strong> Rainfall ............................... 9-2<br />
9.1.2 User Notes .................................................................................................. 9-3<br />
9.1.3 Rainfall Examples ....................................................................................... 9-4<br />
9.2 RATIONAL METHOD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-9<br />
9.2.1 Procedures for the Peak Discharge Calculation.......................................... 9-9<br />
9.2.2 Procedures for Volume Calculations......................................................... 9-10<br />
9.2.3 Procedures for the Multiple Basin Approach............................................. 9-10<br />
9.2.4 User Notes ................................................................................................ 9-12<br />
9.2.5 Rational Method Example ......................................................................... 9-14<br />
9.3 RAINFALL LOSSES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-25<br />
9.3.1 Procedures for the Green and Ampt Method ............................................ 9-25<br />
9.3.2 Procedures for the Initial Loss Plus Uniform Loss Rate Method............... 9-27<br />
9.3.3 User Notes ................................................................................................ 9-27<br />
9.3.4 Rainfall Losses Example........................................................................... 9-29<br />
9.4 UNIT HYDROGRAPH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-43<br />
9.4.1 Procedures for the Clark Unit Hydrograph ................................................ 9-43<br />
9.4.2 Procedures for the S-Graph ...................................................................... 9-44<br />
9.4.3 User Notes ................................................................................................ 9-45<br />
9.4.4 Unit Hydrograph Example ......................................................................... 9-47<br />
9.5 CHANNEL ROUTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-63<br />
9.5.1 Application <strong>of</strong> Normal-Depth Routing........................................................ 9-63<br />
9.5.2 Application <strong>of</strong> Kinematic Wave Routing .................................................... 9-63<br />
9.5.3 Application <strong>of</strong> Muskingum Routing............................................................ 9-64<br />
9.5.4 Application <strong>of</strong> Muskingum-Cunge Routing ................................................ 9-65<br />
9.6 INDIRECT METHODS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-65<br />
9.6.1 Procedures................................................................................................ 9-65<br />
August 15, 2013 9-1
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