Freshwater Update 89, January 2023

Freshwater Update 89 brings you the latest information from NIWA's Freshwater Centre.

Fallout from nuclear testing helps reveal the importance of streambank erosion in New Zealand catchments

The obvious and sometimes dramatic nature of streambank erosion suggests that it may be a significant contributor of sediment to New Zealand rivers. Despite this, there have been very few attempts to determine the relative importance of streambank erosion as a source of sediment in New Zealand catchments.