Data

Griffith_Aerodrome Overland Flow Flood Study

data.nsw.gov.au
Griffith City Council (Owner)
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ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=http://data.nsw.gov.au/data/dataset/fdp-griffith_aerodrome-overland-flow-flood-study-2010&rft.title=Griffith_Aerodrome Overland Flow Flood Study&rft.identifier=http://data.nsw.gov.au/data/dataset/fdp-griffith_aerodrome-overland-flow-flood-study-2010&rft.publisher=data.nsw.gov.au&rft.description=Griffith Aerodrome Overland Flow Flood StudyGriffith Aerodrome Overland Flow Flood Study#INTRODUCTION#\r\n\r\nIn recent years, small duration heavy intensity rainfall events associated with thunder storms have shown that the Griffith Aerodrome and associated infrastructure are exposed to some potentially destructive, and certainly disruptive, flood risk. In order to quantify the flood risk and then to propose measures which may protect the aerodrome and associated facilities in the event of a flood, Griffith City Council (GCC) have appointed WMAwater to carry out a flood study. The Department of Environment, Climate Change and Water (DECCW) is providing financial assistance towards the flood study.\r\n\r\nThe main objective of this study is to:\r\n\r\n* Define the overland flow flood behaviour within the aerodrome catchment (refer to Figure 1 for the location of the study area). The principle focus is on those buildings that adjoin the aerodrome facility, i.e. hangers and administrative buildings, as well as the runway itself, and\r\n* Preliminary assessment of mitigation measures.\r\n\r\nThe study seeks to establish suitable hydrologic and hydraulic model tools, demonstrate their capacity to emulate local flood behaviour via calibration/validation (as data allows) and then apply these tools to establish the existing flood risk for a range of design flood event probabilities in conjunction with a range of event durations. Following design flood modelling for the existing conditions, a damages assessment for the aerodrome will be carried out. The above work will establish the flood liability of the aerodrome under exisiting conditions.\r\n\r\nThe model will then be utilised to test preliminary mitigation measures. Mitigation measures will seek to reduce the degree of inundation of the aerodrome and associated infrastructure and therefore reduce the flood damages associated with an extreme event. Mitigation options could potentially be quite varied however two that spring to mind in this case are detaining flood water upstream of the aerodrome or diverting it prior to its entry into the aerodrome area.\r\n\r\nThis report details the investigations, results and findings of the Flood Study. The key elements of which include:\r\n* a summary of available data;\r\n* model development;\r\n* calibration of the hydraulic model;\r\n* definition of the design flood behaviour for existing conditions through the analysis and interpretation of model results; and\r\n* testing limited mitigation options.\r\n&rft.creator=Anonymous&rft.date=2024&rft.coverage=New South Wales (NSW81093)&rft_rights=Licence Specified by Agency&rft_subject=Airport&rft_subject=Griffith Airport&rft_subject=Old Aerodrome Road&rft_subject=Remembrance Driveway&rft.type=dataset&rft.language=English Access the data

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Brief description

#INTRODUCTION#

In recent years, small duration heavy intensity rainfall events associated with thunder storms have shown that the Griffith Aerodrome and associated infrastructure are exposed to some potentially destructive, and certainly disruptive, flood risk. In order to quantify the flood risk and then to propose measures which may protect the aerodrome and associated facilities in the event of a flood, Griffith City Council (GCC) have appointed WMAwater to carry out a flood study. The Department of Environment, Climate Change and Water (DECCW) is providing financial assistance towards the flood study.

The main objective of this study is to:

* Define the overland flow flood behaviour within the aerodrome catchment (refer to Figure 1 for the location of the study area). The principle focus is on those buildings that adjoin the aerodrome facility, i.e. hangers and administrative buildings, as well as the runway itself, and
* Preliminary assessment of mitigation measures.

The study seeks to establish suitable hydrologic and hydraulic model tools, demonstrate their capacity to emulate local flood behaviour via calibration/validation (as data allows) and then apply these tools to establish the existing flood risk for a range of design flood event probabilities in conjunction with a range of event durations. Following design flood modelling for the existing conditions, a damages assessment for the aerodrome will be carried out. The above work will establish the flood liability of the aerodrome under exisiting conditions.

The model will then be utilised to test preliminary mitigation measures. Mitigation measures will seek to reduce the degree of inundation of the aerodrome and associated infrastructure and therefore reduce the flood damages associated with an extreme event. Mitigation options could potentially be quite varied however two that spring to mind in this case are detaining flood water upstream of the aerodrome or diverting it prior to its entry into the aerodrome area.

This report details the investigations, results and findings of the Flood Study. The key elements of which include:
* a summary of available data;
* model development;
* calibration of the hydraulic model;
* definition of the design flood behaviour for existing conditions through the analysis and interpretation of model results; and
* testing limited mitigation options.

Full description

Griffith Aerodrome Overland Flow Flood Study
Griffith Aerodrome Overland Flow Flood Study

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text: New South Wales (NSW81093)

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