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Grid-based sediment tracing: A new method to determine sediment sources

journal contribution
posted on 2024-06-21, 03:50 authored by Arman Haddadchi, Murray Hicks, Jon Olley, Shailesh Singh, MS Srinivasan
This grid-based sediment tracing technique improves the precision of source contribution estimates and enhances the granularity of sediment source maps. We test the proposed technique using source and suspended sediment samples collected from the Emu Creek Catchment (911 km2), south-east Queensland, Australia. Geochemical tracers were employed to distinguish sediments derived from the heterogenous and complex underlying rock types. Importantly, the proposed technique provided a greater spatial resolution of the sediment sources by assigning sediment contributions into grid sources rather than the area-specific source types.

Funding

Funded by the New Zealand Ministry for Business, Innovation and Employment's Our Land and Water National Science Challenge (Toitū te Whenua, Toiora te Wai) as part of project Sources and Flows

History

Publication date

2019-07-07

Language

  • English

Does this contain Māori information or data?

  • No

Journal title

Land Degradation & Development

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