FIGURE 1 STUDY AREA GANMAIN OLYMPIC HIGHWAY COOLAMON MARRAR
JUNEE
ESTELLA
NORTH WAGGA
OURA
WAGGA WAGGA STURT HIGHWAY HUME HIGHWAY FOREST HILL
URANQUINTY
THE ROCK TARCUTTA
TUMBARUMBA ROAD
YERONG CREEK ´ Old Man Creek Sydney Wagga Wagga Murrumbidgee River HENTY OLYMPIC HIGHWAY LGA Extent Canberra Main Road Built Up Regions
0 5 10 20 30 (km) FIGURE 2 DIGITAL ELEVATION MODEL
GANMAIN !
COOLAMON ! MARRAR !
JUNEE !
BEREMBED WEIR !
BULLS RUN !
CURRAWARNA !
MUNDOWEY EUBERTA ! ! ESTELLA ! ERINGOARRAH ! COLLINGULLIE ! MALEBO GAP NORTH WAGGA ! !
! HAMPDEN BRIDGE OURA ! WAGGA WAGGA !
FOREST HILL !
URANQUINTY ! LGA Extent Model Extent
Elevation (m AHD) ´ High : 485.83
0 5 10 20 (km) Low : 147.57
! FIGURE 3 GANMAIN ! LANDUSE AND ROUGHNESS
COOLAMON ! MARRAR !
ESTELLA !
JUNEE !
NORTH WAGGA BEREMBED WEIR ! !
HAMPDEN BRIDGE !
BULLS RUN ! WAGGA WAGGA !
CURRAWARNA ! FOREST HILL !
MUNDOWEY EUBERTA ! ! ESTELLA ! ERINGOARRAH !! COLLINGULLIE ! MALEBO GAP NORTH WAGGA ! ! HAMPDEN BRIDGE ´ ! OURA ! Land Use WAGGA WAGGA LGA Extent ! General, low level vegetation River FOREST HILL ! Red Gum in Overbank Yellow Box in Overbank Urban Properties with trees and houses URANQUINTY ! Cropping areas Industrial areas Parks Golf courses Trees / Open areas within the city Wagga Wagga Hills Open Forest Right Bank FP Vegetation THE ROCK !
0 5 10 20 (km) FIGURE 4 HYDRAULIC MODEL FEATURES JUNEE !
210 ! BEREMBED WEIR
200
190
BULLS RUN !
180 170
160 CURRAWARNA 150 !
140 130
120 MUNDOWEY EUBERTA ! ! STURT HWY ESTELLA ! ERINGOARRAH 0 110 ! COLLINGULLIE 100 ! NORTH WAGGA ! ! 90 80 70 HAMPDEN BRIDGE ! 50 OURA 20 ! 60 40 WAGGA WAGGA !
30 10 FOREST HILL ! NORTH WAGGA
HAMPDEN AVE
70
FITZMAURICE ST URANQUINTY HAMPDEN BRIDGE !
Inflow/Outflow Boundaries OLYMPIC HWY THE ROCK60 STURT HWY BAYLIS ST ! Levee ´ Old Man Creek LGA Extent WAGGA WAGGA Note: Chainage shown in Bridge kilometers starting from West of Eringoarrah Murrumbidgee River Main Road 0 5 10 20 Model Extent (km) FIGURE 5 INPUT HYDROGRAPHS
8000
7000
6000
5000
4000 Flow (m³/s)
1974 FLOOD EVENT 100 YEAR ARI 3000
2000
1000
0 0 50 100 150 200 250
Time (hours) J:\Jobs\110075\Figures\Figures(5,6,8,9).xlsx 200
195 Oura Eringoarrah Gauge
190 Wagga
Old Man Creek Profile Malebo Gap Murrumbidgee River Profile 185 Observed Flood Levels
180
175 Elevation (m AHD) 170 MURRUMBIDGEE
165
160 RIVER PEAK FLOOD PROFILE Galore Berembed 1974 FLOOD EVENT 155 FIGURE 6 150 0 50000 100000 150000 200000 Chainage (m) FGURE 7a 1974 FLOOD EVENT EXTENT AND CALIBRATION POINTS
ERINGOARRAH ")
196
196
192
186 195
OURA
186 191 187 ") OURA GAP 109 189 186 ") 108 ") ") 106
190 107 188
188
190
189 190 190
194
193
KYEAMBA CREEK
GANMAIN ! COOLAMON ! MARRAR ! JUNEE TARCUTTA CREEK Calibration Points BEREMBED WEIR ! ! ") Council Supplied BULLS RUN ! ") Reference 1
CURRAWARNA 1974 Flood Extent ! BORAMBOLA 1974 Flood Contour (mAHD) MUNDOWEY EUBERTA ! ! ESTELLA ! ERINGOARRAH COLLINGULLIE MALEBO GAP ! Depth (m) ! ! ! ! OURA WAGGA WAGGA! ! 0 - 0.25 FOREST HILL ! 0.25 - 0.5 URANQUINTY ! ´ 0.5 - 0.75 THE ROCK 0.75 - 1 ! TARCUTTA 0 0.5 1 2 ! (km) > 1