Building Future Urban Development Scenarios into Assessments of Future Flood Risk

Date
September 5-6, 2023

Submitted to
The Fourth Spatial Data Science Symposium

Author
Katherine Booker

Supervisors
Professor Iain White, University of Waikato and Professor Matthew Wilson, GRI University of Canterbury

Research Problem

The devastating impact of flood events demonstrates the need for more comprehensive assessments of future flood risk in urban policy. Risk assessments based on future flood projections paired with current urban plans are missing a key characteristic of the hazard – what will urban areas in Aotearoa-NZ look like in 2050 or 2100?

Aim

To determine how urban growth models can be utilised to generate alternative long-term scenarios of future urban form for integrating into assessments of future flood risk.

 

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Nationally Consistent Flood Hazard and Risk Information for Aotearoa

This talk will report on results from a 5-year MBIE-funded Endeavour Programme, Mā te Haumaru o te Wai on the development of a semi-automated workflow to consistently model flood hazard and risk over all of Aotearoa for current and future climates, and show results from this work that are being made available on our flood hazard and risk  viewing platform to help ensure there is consistent information available.

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