Using UAVs to aid Flood Management

If you would like to find out more about how UAVs can help you with Flood Management or other hydrological issues then get in touch or visit our dedicated website at www.remoteaerialsurveys.co.uk  

UAVs are a proven tool for effective flood management. Flying at altitudes between ground level and 400ft, they offer us a greater perspective and depth of imagery. At the same time they allow us to produce accurate and high resolution surveys of areas we would never be able to survey on foot. UAVs provide a way for us to assess more accurately the impacts of climate change and flooding, such as those caused by the exceptionally wet weather during winter 2013/14. 

UAV aerial image of flooding

Our aerial surveys can work as a tool in flood management in a number of ways including:

■ Georeferenced aerial photography, from which flooding extents can be identified and digitised to high levels of precision and accuracy

■ Inspections of areas made inaccessible by flooding, including thermal inspections to check the serviceability of assets

■ Live video feed from the UAV for all imaging types to gain real time evidence

■ High resolution elevation models for accurate predictions of flood extent thresholds and flow accumulation analysis. Elevation models can also be used to accurately measure changes to the physical land, such as landslides.

■ Multispectral imaging to conduct assessments such as water extent mapping, soil moisture analysis and vegetation health analysis

■ Timelapse imagery; repeat imagery captured from the exact same position to portray the changing flood extent and impacts over time

Why use UAVs for flood management?

  • Cost effective -Low operating costs, much lower than manned aircraft & no data redundancy - all our flights are bespoke to the client’s needs
  • Flexible and Fast Response - Can launch from virtually anywhere, fast deployment allowing us to operate in narrow weather windows
  • Better Accuracy with more Precision -Sub centimetre resolutions, high accuracy levels e.g. a maximum of +/- 150mm on our elevation models, able to reach inaccessible areas
  • Repeatability -Flight paths and photography can be accurately replicated any number of times
  • Safety -Does not require personnel to enter potentially hazardous environments

If you would like to find out more about how UAVs can help you with Flood Management and other hydrological issues then get in touch or visit our dedicated website at www.remoteaerialsurveys.co.uk  

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