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Quantifying the rate and depth dependence of bioturbation based on optically-stimulated luminescence (OSL) dates and meteoric 10Be

Johnson, Michelle; Pillans, Bradley; Mudd, Simon; Spooner, Nigel; Fifield, L Keith; Kirkby, Mike; Gloor, Manuel


Both the rate and the vertical distribution of soil disturbance modify soil properties such as porosity, particle size, chemical composition and age structure; all of which play an important role in a soil's biogeochemical functioning. Whereas rates of mixing have been previously quantified, the nature of bioturbation's depth dependence remains poorly constrained. Here we constrain, for the first time, the relationship between mixing rate and depth in a bioturbated soil in northeast Queensland,...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
Source: Earth Surface Processes and Landforms
DOI: 10.1002/esp.3520


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