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Biogeosciences An interactive open-access journal of the European Geosciences Union
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BG | Volume 16, issue 9
Biogeosciences, 16, 1903–1920, 2019
https://doi.org/10.5194/bg-16-1903-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue: Quantifying weathering rates for sustainable forestry (BG/SOIL...

Biogeosciences, 16, 1903–1920, 2019
https://doi.org/10.5194/bg-16-1903-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 07 May 2019

Research article | 07 May 2019

The importance of mineral determinations to PROFILE base cation weathering release rates: a case study

Sophie Casetou-Gustafson et al.
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Revised manuscript accepted for BG
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Cited articles  
Aagaard, P. and Helgeson, H. C.: Thermodynamic and kinetic constraints on rection rates among minerals and aqueous solutions: 1. Theoretical considerations, Am. J. Sci., 282, 237–285, 1982. 
Akselsson, C., Olsson, J., Belyazid, S., and Capell, R.: Can increased weathering rates due to future warming compensate for base cation losses following whole-tree harvesting in spruce forests?, Biogeochemistry, 128, 89–105, 2016. 
Akselsson, C., Westling, O., Sverdrup, H., and Gundersen, P.: Nutrient and carbon budgets in forest soils as decision support in sustainable forest management, Forest Ecol. Manag., 238, 167–174, 2007a. 
Akselsson, C., Westling, O., Sverdrup, H., Holmqvist, J., Thelin, G., Uggla, E., and Malm, G.: Impact of harvest intensity on long-term base cation budgets in Swedish forest soils, Water Air Soil Poll., 7, 201–210, 2007b. 
Albaugh, T. J., Bergh, J., Lundmark, T., Nilsson, U., Stape, J. L., Allen, H. L., and Linder, S.: Do biological expansion factors adequately estimate stand-scale aboveground component biomass for Norway spruce?, Forest Ecol. Manag., 258, 2628–2637, 2009. 
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PROFILE base cation weathering estimates using the directly measured XRPD mineralogy compared to different indirectly determined A2M mineralogies (regional versus site-specific) were overall similar. However, the underlying contribution from different minerals to the overall rates differed. Descriptions of the dissolution rate kinetics of the plagioclase mineral group as well as major K-bearing minerals (K feldspars and micas) should be improved for future soil and forest management studies.
PROFILE base cation weathering estimates using the directly measured XRPD mineralogy compared to...
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