Story: Floods

Boulder Stream in flood

Boulder Stream in flood

Boulder Stream in South Westland is normally just a trickle. But the water volume increases enormously after heavy rain (which occurs frequently in the region), and it carries a huge bed-load into the nearby Moeraki River. Heavy sediment is typically carried into rivers and then out to sea in New Zealand’s high-rainfall areas.

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How to cite this page:

Eileen McSaveney, 'Floods - Flood control', Te Ara - the Encyclopedia of New Zealand, (accessed 10 December 2023)

Story by Eileen McSaveney, published 12 Jun 2006, reviewed & revised 1 Aug 2017