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Hannah Walker
Abstract In a unique partnership, the Rongowai (“sensing water” in te reo Māori) airborne remote sensing mission comprises of a next-generation Global Navigation Satellite System Reflectometry (GNSS-R) receiver (NGRx) mounted on a domestic Air New Zealand Q300 aircraft. The sensor captures reflected GNSS “signals of...
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Hannah Walker
Project summary Alongside the uncertainty research, the GRI is working with NIWA to help produce consistent, open-source methodology for the national flood risk assessments. The methods developed are guided by a number of physically-based flood inundation modelling efforts that have been attempted internationally both...
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Hannah Walker
Project summary Flooding is one of New Zealand’s most damaging hazards. This research programme is supporting the changes that are needed to our flood risk management. The overall aim of the programme is to provide the first, high-resolution flood hazard assessment for every catchment...
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Hannah Walker
Rongowai Project summary The GRI is playing a leading role within the Rongowai (“sensing water”) mission, that aims to build a detailed picture of the complex patterns of water across New Zealand’s complex environment. In a novel partnership with a commercial airline, we have...
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Hannah Walker
Currently the front end to the digital twin enables a 3D visualisation of flood water elevation level against buildings and other infrastructure; in this example, buildings coloured red if the flood level is above a selected threshold. The front end also enables scenarios to be...
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Hannah Walker
Abstract Flooding is a major hazard in Aotearoa. In 2022 and 2023 alone, the combined cost of damage was more than 3.5 billion dollars. To address this problem, flood hazards and the potential impacts in New Zealand need to be better understood. The RiskScape...
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Luke Parkinson
Flooding is one of New Zealand’s most damaging hazards, which will also change the most rapidly in intensity and nature as a result of climate change. At the same time, urban development is leading to increased flood exposure. These dual challenges make reducing flood risk...
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