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Moreton Bay City Flood Database
River and Creek Flooding
Version 3.1.0 (October 2023)
This theme shows river and creek flooding caused by long duration heavy rainfall, typically lasting between 1 hour and 1 day. Sometimes this rain falls over a whole catchment or a number of catchments. This extended period of heavy rainfall causes the water levels in the river or creek to rise and escape the main channel. It may take a number of hours or days for these floodwaters to rise, reach a peak and then subside.
February 2022 Event Scenario
Modelled flood behaviour in rivers and creeks for the historic February 2022 Flood Event. (BCC, BCR, BRI, LPH, PUM, RED, SID, SRN and UPR).
Purpose:
To determine flood levels and flows for the February 2022 Flood Event. Used to calibrate and validate models.
Methodology:
Coupled hydrologic (WBNM) and hydraulic (TUFLOW HPC with applicable downstream boundary) modelling using a two-dimensional regular grid, 1D culvert structures, 2D bridge structures and recoded rainfall from the February 2022 event. Refer publications available from Council's website for further details.
Flood Height: Indicates the approximate water surface level of potential inundation during a computer-modelled flood event, expressed in meters above mean sea level. This dataset represents the flood height values as contour lines using a contour interval of 0.2m.
Version Notes 3.1.0 - First edition of Generation 3 models, incorporating 2019 LiDAR, ARR2019 for Hydrology and TUFLOW HPC for Hydraulic modelling. All ARIs and all aspects. (BCR 5yr, 10yr, 50yr and 2000yr runs completed by CMB). BYR and MAR no structure blockage only. MAR ARR hazard calculated using WaterRIDE. (October 2023)
Version Resolution: 2.5m
Data Reliability: A
Indicates the flood data is of the highest available standard and has been prepared using the most recent flood model and input data
Further Information: For additional information on flooding in the Moreton Bay Region please see Council's website: https://www.moretonbay.qld.gov.au/Services/Property-Ownership/Flooding
Moreton Bay City Flood Database
River and Creek Flooding
Version 3.1.0 (October 2023)
This theme shows river and creek flooding caused by long duration heavy rainfall, typically lasting between 1 hour and 1 day. Sometimes this rain falls over a whole catchment or a number of catchments. This extended period of heavy rainfall causes the water levels in the river or creek to rise and escape the main channel. It may take a number of hours or days for these floodwaters to rise, reach a peak and then subside.
February 2022 Event Scenario
Modelled flood behaviour in rivers and creeks for the historic February 2022 Flood Event. (BCC, BCR, BRI, LPH, PUM, RED, SID, SRN and UPR).
Purpose:
To determine flood levels and flows for the February 2022 Flood Event. Used to calibrate and validate models.
Methodology:
Coupled hydrologic (WBNM) and hydraulic (TUFLOW HPC with applicable downstream boundary) modelling using a two-dimensional regular grid, 1D culvert structures, 2D bridge structures and recoded rainfall from the February 2022 event. Refer publications available from Council's website for further details.
Flood Height: Indicates the approximate water surface level of potential inundation during a computer-modelled flood event, expressed in meters above mean sea level. This dataset represents the flood height values as contour lines using a contour interval of 0.2m.
Version Notes 3.1.0 - First edition of Generation 3 models, incorporating 2019 LiDAR, ARR2019 for Hydrology and TUFLOW HPC for Hydraulic modelling. All ARIs and all aspects. (BCR 5yr, 10yr, 50yr and 2000yr runs completed by CMB). BYR and MAR no structure blockage only. MAR ARR hazard calculated using WaterRIDE. (October 2023)
Version Resolution: 2.5m
Data Reliability: A
Indicates the flood data is of the highest available standard and has been prepared using the most recent flood model and input data
Further Information: For additional information on flooding in the Moreton Bay Region please see Council's website: https://www.moretonbay.qld.gov.au/Services/Property-Ownership/Flooding