Contribution of organic carbon to the total specific surface area of soils with varying clay mineralogy
Geoderma(2023)
摘要
•Contribution of organic carbon (OC) to total specific surface area (SA) is unclear.•EGME SA correlated with water sorption SA, except for OC-rich soils.•OC contribution to SA depended on clay mineralogy and OC content.•OC contribution ranged from 7.5 to 13.9 m2/g per %C depending on clay mineralogy.•For samples rich in montmorillonite, OC negatively contributed to total SA.
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关键词
Organic matter,EGME,Water sorption,Partial correlation,Soil texture
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