Kōrero: Canterbury region

Christchurch’s flood hazards

Christchurch’s flood hazards

The settlement of Christchurch was built on the flood plain of the Waimakariri River. The earliest stopbanks were built in the 1860s. Despite these, Christchurch has sometimes been flooded when heavy rainfall in the mountains has caused the river to rise. This map shows what would happen in sequence if floodwaters breached the stopbanks.

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Me pēnei te tohu i te whārangi:

John Wilson, 'Canterbury region - Weather and climate', Te Ara - the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/mi/map/10305/christchurchs-flood-hazards (accessed 24 August 2019)

Story by John Wilson, reviewed & revised 6 Jul 2015