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Soil Freeze-Thaw-Induced Aggregate Structural Transformation Promotes Colloidal Cd Mobilization from Macroaggregates

Chang Liu1, Kengbo Ding1, Bofang Yan2

  • 1School of Environmental Science and Engineering, Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, and Guangdong Provincial Engineering Research Center for Heavy Metal Contaminated Soil Remediation, Sun Yat-sen University, Guangzhou 510006, China.

Environmental Science & Technology
|July 22, 2026
PubMed
Summary

Freeze-thaw cycles mobilize cadmium (Cd) from soil aggregates, especially macroaggregates. Understanding this release is key to reducing environmental Cd risks in cold soils.

Keywords:
X-ray microcomputed tomographyfreeze−thaw cyclesfrozen watersoil aggregatesstable isotope tracingstructure change

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