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A new risk assessment of the current stopbanks along the Ōtākaro Avon River has confirmed they are capable of containing a tide associated with a one-in-100 year storm event.
Christchurch City Council’s decision to invest millions of dollars improving the city’s stormwater network helped to prevent homes and businesses flooding this week.
New high tide statistics for Christchurch are building understanding of the flood risk in tidal areas of the city, particularly the probability of high tides coinciding with significant rainfall events.
Christchurch City Council has agreed to start adaptation planning with low-lying coastal and inland communities likely to be impacted by rising sea levels.
Christchurch City Council wants to begin adaptation planning work with the communities likely to be impacted in the future by rising sea levels.
A working group made up of Councillors and two members from Te Rūnanaga o Ngāi Tahu will help guide two important projects relating to the impact of climate change on the coastal hazards risk in Christchurch and Banks Peninsula.
New computer modelling paints a clearer picture of the flooding Christchurch coastlines could see from a large distant source tsunami if sea levels continue to rise with climate change.