Events Calendar

Workshop: Gravel Management

11 Aug, Ōtautahi | Christchurch

Workshop: Gravel Management

CPD points: 8.0

About

A 1-day workshop on all things gravel extraction including background on the theory of bedload transport, bed level changes and the effects of gravel extraction, discussion of the various potential consequences of over extraction, and approaches to assessing sustainable extraction volumes. The workshop includes a mixture of expert presentations and facilitated discussions to share experiences from around the country.

Key Themes:

  • Gravel Movement in Rivers
  • Gravel Extraction and River Equilibrium
  • Group Discussion: Share participant experiences of problems relating to gravel extraction
  • Wider Considerations Around Gravel Extraction Effects of over-extraction on: Groundwater; Habitat, Coastal erosion
  • A Council Perspective on Changing Approaches to Assessing Gravel Volumes
  • Group Discussion: Share participant approaches to assessing and consenting sustainable extraction volumes

Presenters: Jon Tunnicliffe, University of Auckland; Dr. Alastair Clement, Tasman District Council Richard Measures, Earth Science 

While previously run over two days, this workshop is now delivered as a one‑day format.

Attendee Cost: $500.00pp (Council rate $400)

Tuesday 11 August 2026
8.30am - 5.00pm
Epic Innovations, Christchurch

To register, email Rachael.Armstrong@hbrc.govt.nz

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