Articles | Volume 15, issue 13
https://doi.org/10.5194/bg-15-4019-2018
https://doi.org/10.5194/bg-15-4019-2018
Research article
 | 
03 Jul 2018
Research article |  | 03 Jul 2018

Leaf phenology as one important driver of seasonal changes in isoprene emissions in central Amazonia

Eliane G. Alves, Julio Tóta, Andrew Turnipseed, Alex B. Guenther, José Oscar W. Vega Bustillos, Raoni A. Santana, Glauber G. Cirino, Julia V. Tavares, Aline P. Lopes, Bruce W. Nelson, Rodrigo A. de Souza, Dasa Gu, Trissevgeni Stavrakou, David K. Adams, Jin Wu, Scott Saleska, and Antonio O. Manzi

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Cited articles

Adams, D. K., Fernandes, R. M. S., and Maia, J. M. F.: GNSS Precipitable Water Vapor from an Amazonian Rain Forest Flux Tower, J. Atmos. Ocean. Tech., 28, 1192–1198, https://doi.org/10.1175/JTECH-D-11-00082.1, 2011. 
Adams, D. K., Gutman, S. I., Holub, K. L., and Pereira, D. S.: GNSS observations of deep convective time scales in the Amazon, Geophys. Res. Lett., 40, 2818–2823, 2013. 
Alves, E. G., Harley, P., Gonçalves, J. F. C., Moura, C. E. S., and Jardine, K.: Effects of light and temperature on isoprene emission at different leaf developmental stages of eschweilera coriacea in central amazon, Acta Amaz., 44, 9–18, https://doi.org/10.1590/S0044-59672014000100002, 2014. 
Alves, E. G., Jardine, K., Tota, J., Jardine, A., Yãnez-Serrano, A. M., Karl, T., Tavares, J., Nelson, B., Gu, D., Stavrakou, T., Martin, S., Artaxo, P., Manzi, A., and Guenther, A.: Seasonality of isoprenoid emissions from a primary rainforest in central Amazonia, Atmos. Chem. Phys., 16, 3903–3925, https://doi.org/10.5194/acp-16-3903-2016, 2016. 
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Short summary
This study shows that leaf quantity and leaf age have an important effect on seasonal changes in isoprene emissions and that these could play an even more important role in regulating ecosystem isoprene fluxes than light and temperature at seasonal timescales in tropical forests. These results bring novelty and new insight for future research because in the past leaf phenology was not considered as an important factor that controls biological processes in the tropics.
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