Articles | Volume 21, issue 13
https://doi.org/10.5194/bg-21-3183-2024
https://doi.org/10.5194/bg-21-3183-2024
Research article
 | 
10 Jul 2024
Research article |  | 10 Jul 2024

The emission of CO from tropical rainforest soils

Hella van Asperen, Thorsten Warneke, Alessandro Carioca de Araújo, Bruce Forsberg, Sávio José Filgueiras Ferreira, Thomas Röckmann, Carina van der Veen, Sipko Bulthuis, Leonardo Ramos de Oliveira, Thiago de Lima Xavier, Jailson da Mata, Marta de Oliveira Sá, Paulo Ricardo Teixeira, Julie Andrews de França e Silva, Susan Trumbore, and Justus Notholt

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Cited articles

Andreae, M. O., Artaxo, P., Beck, V., Bela, M., Freitas, S., Gerbig, C., Longo, K., Munger, J. W., Wiedemann, K. T., and Wofsy, S. C.: Carbon monoxide and related trace gases and aerosols over the Amazon Basin during the wet and dry seasons, Atmos. Chem. Phys., 12, 6041–6065, https://doi.org/10.5194/acp-12-6041-2012, 2012. a
Araújo, A. C., Nobre, A. D., Kruijt, B., Elbers, J. A., Dallarosa, R., Stefani, P., Von Randow, C., Manzi, A. O., Culf, A. D., Gash, J. H. C., and Valentini, R.: Comparative measurements of carbon dioxide fluxes from two nearby towers in a central Amazonian rainforest: The Manaus LBA site, J. Geophys. Res.-Atmos., 107, 58-1–58-20, https://doi.org/10.1029/2001JD000676, 2002. a, b, c, d
Araújo, A. C., Kruijt, B., Nobre, A. D., Dolman, A. J., Waterloo, M. J., Moors, E. J., and de Souza, J. S.: Nocturnal accumulation of CO2 underneath a tropical forest canopy along a topographical gradient, Ecol. Appl., 18, 1406–1419, 2008. a, b
Araújo, A. C. D.: Spatial variation of CO2 fluxes and lateral transport in an area of terra firme forest in Central Amazonia, PhD thesis, Vrije Universiteit, Amsterdam, 2009. a
Bartholomew, G. and Alexander, M.: Microbial metabolism of carbon monoxide in culture and in soil, Appl. Environ. Microb., 37, 932–937, 1979. a, b
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Short summary
Carbon monoxide (CO) is regarded as an important indirect greenhouse gas. Soils can emit and take up CO, but, until now, uncertainty remains as to which process dominates in tropical rainforests. We present the first soil CO flux measurements from a tropical rainforest. Based on our observations, we report that tropical rainforest soils are a net source of CO. In addition, we show that valley streams and inundated areas are likely additional hot spots of CO in the ecosystem.
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