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The effects of freeze-thaw cycles on sorption/desorption of dissolved organic carbon (DOC) in two wetland soils and one reclaimed wetland soil were investigated. DOC concentrations added were 0–600 mg/L. Laboratory incubations of sorption/desorption of DOC had been carried out at −15C ° for 10 h, and then at +5°C for 13 h. Soil samples were refrozen and thawed subsequently for 5 cycles. Initial Mass...
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