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Importance of water level management for peatland outflow water quality in the face of climate change and drought.

Salimi, S; Scholz, M

Importance of water level management for peatland outflow water quality in the face of climate change and drought. Thumbnail


Authors

S Salimi

M Scholz



Abstract

The impact of different climate scenarios, drought, and water level management on the outflow water quality of peatlands has been investigated. A mesocosm experiment has been conducted within climate control chambers to simulate current (2016-2019 real-time) and future representative concentration pathway (RCP) climate scenarios (RCP 2.6, 4.5 and 8.5). To assess the efficiency of a management strategy for improving peatland water quality, water level adjustment was applied to half of the system at the same time for each climate scenario. Furthermore, the mesocosm experienced the 2018 European drought during the simulation years, and the corresponding impact was analyzed. The results of this study revealed a substantial and favorable impact of water level management on water quality of peatlands under different climate scenarios. The effect of water level management was the largest for ammonium (NH -N) and 5-day biochemical oxygen demand (BOD ), and the smallest for total phosphorus (TP). Drought had a strong impact on chemical variables, increasing their concentration and deteriorating the water quality of peatland outflow. However, water level management can stabilize the nutrient levels in peatland outflows, particularly during drought and under warmer climate scenarios, thus mitigating the adverse effects of climate change. [Abstract copyright: © 2022. The Author(s).]

Citation

Salimi, S., & Scholz, M. (2022). Importance of water level management for peatland outflow water quality in the face of climate change and drought. Environmental Science and Pollution Research, 29(50), 75455-75470. https://doi.org/10.1007/s11356-022-20614-2

Journal Article Type Article
Acceptance Date Apr 30, 2022
Publication Date Jun 2, 2022
Deposit Date Aug 2, 2022
Publicly Available Date Aug 2, 2022
Journal Environmental Science and Pollution Research
Print ISSN 0944-1344
Publisher Springer Verlag
Volume 29
Issue 50
Pages 75455-75470
DOI https://doi.org/10.1007/s11356-022-20614-2
Publisher URL https://doi.org/10.1007/s11356-022-20614-2

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