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Soil erosion losses and contributions from underlying sources/causes

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posted on 2024-06-21, 04:06 authored by Mitchell Donovan
Regional maps of modelled soil loss from surface erosion across AotearoamNew Zealand are provided in .tif fomat for use in GIS. These large .zip files (use 7-zip or PeaZip to extract) contain additional data for underlying causes such as climate, land use, etc. These maps are the first in the world to include the impact of stock grazing, so provide a more accurate picture of surface erosion susceptibility. The maps can provide estimates of surface erosion susceptibility from different land uses and areas of land. This is particularly useful for understanding the relative contribution of each land use at catchment scales. By improving understanding of land that is susceptible to surface erosion, land that is unsuitable for intensive use can be identified. Researchers produced the maps by developing a sub-model, which they plugged into a globally recognised and used model for calculating land's susceptibility to surface erosion, the RUSLE (Revised Universal Soil Loss Equation) model.

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 Mapping Freshwater Contaminants

History

Publication date

2023-10-07

Language

  • English

Does this contain Māori information or data?

  • No

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