Carbon dioxide fluxes increase from day to night across European streams. Attermeyer, K., Casas-Ruiz, J. P., Fuss, T., Pastor, A., Cauvy-Fraunié, S., Sheath, D., Nydahl, A. C., Doretto, A., Portela, A. P., Doyle, B. C., Simov, N., Gutmann Roberts, C., Niedrist, G. H., Timoner, X., Evtimova, V., Barral-Fraga, L., Bašić, T., Audet, J., Deininger, A., Busst, G., Fenoglio, S., Catalán, N., de Eyto, E., Pilotto, F., Mor, J., Monteiro, J., Fletcher, D., Noss, C., Colls, M., Nagler, M., Liu, L., Romero González-Quijano, C., Romero, F., Pansch, N., Ledesma, J. L. J., Pegg, J., Klaus, M., Freixa, A., Herrero Ortega, S., Mendoza-Lera, C., Bednařík, A., Fonvielle, J. A., Gilbert, P. J., Kenderov, L. A., Rulík, M., & Bodmer, P. Communications Earth & Environment, 2(1):118, December, 2021.
Carbon dioxide fluxes increase from day to night across European streams [link]Paper  doi  abstract   bibtex   1 download  
Abstract Globally, inland waters emit over 2 Pg of carbon per year as carbon dioxide, of which the majority originates from streams and rivers. Despite the global significance of fluvial carbon dioxide emissions, little is known about their diel dynamics. Here we present a large-scale assessment of day- and night-time carbon dioxide fluxes at the water-air interface across 34 European streams. We directly measured fluxes four times between October 2016 and July 2017 using drifting chambers. Median fluxes are 1.4 and 2.1 mmol m −2 h −1 at midday and midnight, respectively, with night fluxes exceeding those during the day by 39%. We attribute diel carbon dioxide flux variability mainly to changes in the water partial pressure of carbon dioxide. However, no consistent drivers could be identified across sites. Our findings highlight widespread day-night changes in fluvial carbon dioxide fluxes and suggest that the time of day greatly influences measured carbon dioxide fluxes across European streams.
@article{attermeyer_carbon_2021,
	title = {Carbon dioxide fluxes increase from day to night across {European} streams},
	volume = {2},
	issn = {2662-4435},
	url = {http://www.nature.com/articles/s43247-021-00192-w},
	doi = {10.1038/s43247-021-00192-w},
	abstract = {Abstract
            
              Globally, inland waters emit over 2 Pg of carbon per year as carbon dioxide, of which the majority originates from streams and rivers. Despite the global significance of fluvial carbon dioxide emissions, little is known about their diel dynamics. Here we present a large-scale assessment of day- and night-time carbon dioxide fluxes at the water-air interface across 34 European streams. We directly measured fluxes four times between October 2016 and July 2017 using drifting chambers. Median fluxes are 1.4 and 2.1 mmol m
              −2
              h
              −1
              at midday and midnight, respectively, with night fluxes exceeding those during the day by 39\%. We attribute diel carbon dioxide flux variability mainly to changes in the water partial pressure of carbon dioxide. However, no consistent drivers could be identified across sites. Our findings highlight widespread day-night changes in fluvial carbon dioxide fluxes and suggest that the time of day greatly influences measured carbon dioxide fluxes across European streams.},
	language = {en},
	number = {1},
	urldate = {2021-09-03},
	journal = {Communications Earth \& Environment},
	author = {Attermeyer, Katrin and Casas-Ruiz, Joan Pere and Fuss, Thomas and Pastor, Ada and Cauvy-Fraunié, Sophie and Sheath, Danny and Nydahl, Anna C. and Doretto, Alberto and Portela, Ana Paula and Doyle, Brian C. and Simov, Nikolay and Gutmann Roberts, Catherine and Niedrist, Georg H. and Timoner, Xisca and Evtimova, Vesela and Barral-Fraga, Laura and Bašić, Tea and Audet, Joachim and Deininger, Anne and Busst, Georgina and Fenoglio, Stefano and Catalán, Núria and de Eyto, Elvira and Pilotto, Francesca and Mor, Jordi-René and Monteiro, Juliana and Fletcher, David and Noss, Christian and Colls, Miriam and Nagler, Magdalena and Liu, Liu and Romero González-Quijano, Clara and Romero, Ferran and Pansch, Nina and Ledesma, José L. J. and Pegg, Josephine and Klaus, Marcus and Freixa, Anna and Herrero Ortega, Sonia and Mendoza-Lera, Clara and Bednařík, Adam and Fonvielle, Jérémy A. and Gilbert, Peter J. and Kenderov, Lyubomir A. and Rulík, Martin and Bodmer, Pascal},
	month = dec,
	year = {2021},
	keywords = {\#nosource},
	pages = {118},
}
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