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Modelling the abundance of soil calcium carbonate across Australia using geochemical survey data and environmental predictors

Wilford, J; De Caritat, Patrice; Bui, Elisabeth


Soil calcium carbonate is a key component of the regolith, particularly in arid and semi-arid regions. It influences soil properties, is an important terrestrial carbon store, and is used in mineral exploration. Previous national overviews of soil carbonate distribution have been compiled from regional soil, regolith or geological maps with varying degrees of confidence and consistency. Here we develop a decision tree approach based on a piecewise linear regression model to map soil calcium...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
Source: Geoderma
DOI: 10.1016/j.geoderma.2015.05.003


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