Disclaimer: Nearmap provides this flood information as a general reference source only – it is not intended as a flood risk assessment and should not be relied upon as such. The flood information provided has not been prepared by taking into account your specific circumstances and/or purpose and may depend on statistical models and assumptions which may be incomplete or wrong, negatively impacting the accuracy of the flood information. Before relying on any flood information, you should independently verify its accuracy, currency, completeness and relevance, and obtain any appropriate professional advice relevant to your particular circumstances and purpose.
The flood information provided is current as at the publication date only and, as a Product under the Nearmap Agreement, is subject to the limitations of liability and other terms set out in the Nearmap Agreement.
How the model works
Nearmap collects elevation data as part of each aerial survey. This uses new technology so the elevation data is only available for recent surveys.
The model itself is very simple. The user is able to provide a water depth level above sea level. This water depth level is then used to render a layer which overlays the terrain.
In practice this means the Flooding Layer shows a potential flooding scenario based on the assumption that water levels are consistent across the modeled region (represented as a flood level above approximate sea level).
The model works very well in simple topographical areas, such as flood plains. See the images below for a comparison of modeled flooding to an actual flood in Bundaberg. However, in more complex terrain the model will be less accurate and therefore less reliable.