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September 30, 2025Open Access

Constraining urban biogenic CO2 fluxes: Composition, seasonality and drivers from radiocarbon and inventory analysis

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Authors

PLPingyang LiBLBoji LinZZZhihua Zhou

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Overview

Analysis reveals urban biogenic CO2 contributions in Shenzhen, indicating human metabolic emissions are significant.

Key Points

  • The study shows human metabolic emissions contribute significantly to urban biogenic CO2 sources.
  • Biogenic CO2 from the terrestrial biosphere offsets substantial fossil emissions during growing seasons.
  • Analysis utilized Δ14C and multi-source data to quantify urban CO2 fluxes in Shenzhen.
  • Findings highlight the importance of accurate carbon budgeting for effective climate action in megacities.

Cite This Study

Li et al. (2025) studied this question.

synapsesocial.com/papers/68dc26218a7d58c25ebb2fa7https://doi.org/10.5194/egusphere-2025-3882
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