Cryoturbation impacts iron-organic carbon associations along a permafrost soil chronosequence in northern Alaska
Geoderma(2022)
摘要
•Highest percentage of iron-associated organic carbon in cryoturbated soil horizons.•Increase in iron-associated organic carbon stocks along soil chronosequence.•Close spatial association of organic carbon and iron minerals in soil matrix.•Potential organic carbon stabilization with soil development due to cryoturbation.
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关键词
Permafrost,Drained thaw lake basin,Thermokarst,Carbon,Iron,Soil organic matter
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