Territory Stories

Alice Springs Flood Investigation and Floodplian Mapping Study

Details:

Title

Alice Springs Flood Investigation and Floodplian Mapping Study

Creator

WRM Water & Environment Pty Ltd; Northern Territory. Department of Lands, Planning & the Environment

Editor

Roads, Greg

Collection

E-Publications; PublicationNT; E-Books; EXTA1463

Date

2015-10-12

Location

Alice Springs

Description

Made available via the Publications (Legal Deposit) Act 2004 (NT).; WRM Water & Environment (WRM) was commissioned by the Department of Lands & Planning (DLP) to undertake a flood study of the Todd River in the Alice Springs area. The aim of the study is to develop a 2 dimensional flood model, which allows flood flow in a complex flood plain to be modelled, to determine the extent and severity of riverine flooding in the town of Alice Springs and the Alice Springs rural area south of Heavitree Gap. The purpose of the study is to produce floodplain maps of the Alice Springs and its rural area for land use planning and counter – disaster purposes. This study is an extension of the Alice Springs Farms Area Floodplain Mapping Study (WRM, 2006), undertaken by WRM on behalf of the Department of Planning & Infrastructure in 2006 in order to develop detailed Todd River floodplain maps for the rural area south of Alice Springs.

Table of contents

1. INTRODUCTION -- 2. CATCHMENT DESCRIPTION -- 3. AVAILABLE DATA -- 4. CALIBRATION AND AND VERIFICATION EVENTS -- 5. HYDROLOGIC MODEL CALIBRATION AND VERIFICATION -- 6. HYDRAULIC MODEL DEVELOPMENTLOPMENT -- 7. HYDRAULIC MODEL CALIBRATION -- 8. FLOOD FREQUENCY ANALYSIS -- 9. DESIGN EVENT HYDROLOY -- 10. DESIGN FLOOD LEVELS AND EXTENTS -- 11. CONCLUSION -- 12. REFERENCES

Language

English

Subject

Flood control -- Northern Territory -- Alice Springs; Flood damage prevention -- Northern Territory -- Alice Springs; Floodplain management -- Northern Territory -- Alice Springs; Alice Springs Flood Investigation; Floodplain Mapping

Publisher name

WRM Water & Environment Pty Ltd

Place of publication

Darwin (N.T.)

Series

EXTA1463

Format

vii, 95 pages : colour maps ; 30 cm.

File type

application/pdf.

Copyright owner

Check within Publication or with content Publisher.

Parent handle

https://hdl.handle.net/10070/259732

Citation address

https://hdl.handle.net/10070/494349

Page content

0269-02-C1 12 October 2015 13 Table 3.3 No of Gaugings, Maximum Gauged Discharge and Estimated Maximum Flood Discharge During the Period of Record, Todd River Stream Gauges Station No Stream Name Station Name No of Recorded Gaugings Maximum Gauged Stage (m) Highest Gauged Discharge (m3/s) Highest Rated Discharge (m3/s) Maximum Reliable Discharge Estimatea (m3/s) Estimated Peak Flood Discharge (m3/s) G0060003 Gillen Creek Soil Erosion Project 19 0.400 4 93 93 67 G0060009 Todd River Wills Terrace 79 2.173 233 - - - G0060009 Todd River Anzac Oval 143 3.115 450 1500 521 1202 G0060012 Station Creek Bond Springs (CSIRO Site 64) 52 1.170 3 167 167 44 G0060015 Station Creek Bond Springs 36 3.437 28 - - - G0060017 Emily Creek Upstream Undoolya Road 35 2.830 19 185 14 184 G0060040 Todd River Amoonguna 4 1.926 12 - - - G0060046 Todd River Wigley Gorge 104 3.800 229 1180 1180 1045 G0060047 Charles River Big Dipper 100 2.398 52 513 513 91 G0060126 Todd River Heavitree Gap 52 1.417 145 1400 50 1179 a NRETA considers the reliability of the rating curve beyond this discharge as poor;


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