Articles | Volume 20, issue 1
Hydrol. Earth Syst. Sci., 20, 109–123, 2016
https://doi.org/10.5194/hess-20-109-2016
Hydrol. Earth Syst. Sci., 20, 109–123, 2016
https://doi.org/10.5194/hess-20-109-2016

Review article 18 Jan 2016

Review article | 18 Jan 2016

Carbon and nitrogen dynamics and greenhouse gas emissions in constructed wetlands treating wastewater: a review

M. M. R. Jahangir et al.

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Short summary
Removal efficiency of carbon and nitrogen in constructed wetlands is inconsistent and does not reveal whether the removal processes are from physical attenuation or transformation to other reactive forms. Previous research did not consider "pollution swapping" driven by transformational processes. Herein the biogeochemical dynamics and fate of carbon and nitrogen and their potential impact on the environment, as well as novel ways in which these knowledge gaps may be eliminated, are explored.