The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Surface exposure to sunlight stimulates CO2release from permafrost soil carbon in the Arctic
Open accessAbstract
Recent climate change has increased arctic soil temperatures and thawed large areas of permafrost, allowing for microbial respiration of previously frozen C. Furthermore, soil destabilization from melting ice has caused an increase in thermokarst failures that expose buried C and release dissolved organic C (DOC) to surface waters. Once exposed, the fate of this C is unknown but will depend on its reactivity to sunlight and microbial attack, and the light available at the surface. In this study we manipulated water released from areas of thermokarst activity to show that newly exposed DOC is >40% more susceptible to microbial conversion to CO 2 when exposed to UV light than when kept dark. When integrated over the water column of receiving rivers, this susceptibility translates to the light-stimulated bacterial activity being on average from 11% to 40% of the total areal activity in turbid versus DOC-colored rivers, respectively. The range of DOC lability to microbes seems to depend on prior light exposure, implying that sunlight may act as an amplification factor in the conversion of frozen C stores to C gases in the atmosphere.
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Citations
Cites
Temperature sensitivity of soil carbon decomposition and feedbacks to climate change
Davidson, E. A., & Janssens, I. A. (2006) · Nature · doi:10.1038/nature04514 · Cited by 6,919
Cited by
Climate variability and vulnerability to climate change: A review
Thornton, P. K., Ericksen, P. J., Herrero, M., & Challinor, A. J. (2014) · Global Change Biology · doi:10.1111/gcb.12581 · Cited by 1,235
Sunlight controls water column processing of carbon in arctic fresh waters
Cory, R. M., Ward, C. P., Crump, B. C., & Kling, G. W. (2014) · Science · doi:10.1126/science.1253119 · Cited by 585
Self-citationLapierre, J.-F., Guillemette, F., Berggren, M., & del Giorgio, P. A. (2013) · Nature Communications · doi:10.1038/ncomms3972 · Cited by 334
Hu, J., Kang, L., Li, Z., Feng, X., Liang, C., Wu, Z., Zhou, W., Liu, X., Yang, Y., & Chen, L. (2023) · Nature Communications · doi:10.1038/s41467-023-39432-2 · Cited by 114
Barnes, P. W., Robson, T. M., Zepp, R. G., Bornman, J. F., Jansen, M. A. K., Ossola, R., Wang, Q.-W., Robinson, S. A., Foereid, B., Klekociuk, A. R., et al. (2023) · Photochemical & Photobiological Sciences · doi:10.1007/s43630-023-00376-7 · Cited by 113
Metadata
- Authors
- Cory, R. M., Crump, B. C., Dobkowski, J. A., & Kling, G. W.
- Venue
- Proceedings of the National Academy of Sciences
- Published
- 2013-02-11
- Volume
- 110
- Issue
- 9
- Pages
- 3429-3434
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- OpenAlex
- W2014465108
- Cited by
- 222
- References
- 1
- FWCI
- 13.63
- Type
- journal article
- Language
- en
- Open access
- green
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- CoChat. (2026). Citation check: Surface exposure to sunlight stimulates CO2release from permafrost soil carbon in the Arctic. https://app.cochat.ai/papers/10.1073/pnas.1214104110
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- Cory, R. M., Crump, B. C., Dobkowski, J. A., & Kling, G. W. (2013). Surface exposure to sunlight stimulates CO2release from permafrost soil carbon in the Arctic. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.1214104110
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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