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April 15, 2026BiogeosciencesOpen Access

Temporary waterlogging alters CO 2 flux dynamics but not cumulative emissions in cultivated mineral soils

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Authors

RKReija KronbergSKSanna KanervaMKMarkku Koskinen

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Overview

Examines how off-season waterlogging affects CO2 flux dynamics in cultivated mineral soils, suggesting new insights on soil respiration.

Key Points

  • This research aims to investigate the effects of off-season waterlogging on CO2 production and soil carbon dynamics in cultivated mineral soils.
  • Conducted a 1.5-year greenhouse study with 32 soil monoliths from two agricultural fields.
  • Varied waterlogging conditions over three growth cycles with spring barley cultivation.
  • Monitored soil temperature and moisture continuously; analyzed dissolved organic and inorganic carbon concentrations; measured CO2 fluxes.
  • Waterlogging did not increase dissolved organic carbon content as hypothesized.
  • Increased dissolved inorganic carbon and decreased CO2 fluxes were observed during waterlogging.
  • Post-waterlogging drainage led to higher CO2 fluxes than expected, compensating for earlier reductions.

Cite This Study

Kronberg et al. (2026) studied this question.

synapsesocial.com/papers/69df2abce4eeef8a2a6afce7https://doi.org/10.5194/bg-23-2431-2026
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