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Eutrophication will increase methane emissions from lakes and impoundments during the 21st century

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  • Jake J. Beaulieu

    (Office of Research and Development)

  • Tonya DelSontro

    (Université du Québec à Montréal
    University of Geneva)

  • John A. Downing

    (University of Minnesota)

Abstract

Lakes and impoundments are an important source of methane (CH4), a potent greenhouse gas, to the atmosphere. A recent analysis shows aquatic productivity (i.e., eutrophication) is an important driver of CH4 emissions from lentic waters. Considering that aquatic productivity will increase over the next century due to climate change and a growing human population, a concomitant increase in aquatic CH4 emissions may occur. We simulate the eutrophication of lentic waters under scenarios of future nutrient loading to inland waters and show that enhanced eutrophication of lakes and impoundments will substantially increase CH4 emissions from these systems (+30–90%) over the next century. This increased CH4 emission has an atmospheric impact of 1.7–2.6 Pg C-CO2-eq y−1, which is equivalent to 18–33% of annual CO2 emissions from burning fossil fuels. Thus, it is not only important to limit eutrophication to preserve fragile water supplies, but also to avoid acceleration of climate change.

Suggested Citation

  • Jake J. Beaulieu & Tonya DelSontro & John A. Downing, 2019. "Eutrophication will increase methane emissions from lakes and impoundments during the 21st century," Nature Communications, Nature, vol. 10(1), pages 1-5, December.
    • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-019-09100-5
    DOI: 10.1038/s41467-019-09100-5
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    Cited by:

    1. Jager, Henriette I. & Griffiths, Natalie A. & Hansen, Carly H. & King, Anthony W. & Matson, Paul G. & Singh, Debjani & Pilla, Rachel M., 2022. "Getting lost tracking the carbon footprint of hydropower," Renewable and Sustainable Energy Reviews, Elsevier, vol. 162(C).
    2. Kuwayama, Yusuke & Olmstead, Sheila & Zheng, Jiameng, 2022. "A more comprehensive estimate of the value of water quality," Journal of Public Economics, Elsevier, vol. 207(C).
    3. Li, Mingxu & He, Nianpeng, 2022. "Carbon intensity of global existing and future hydropower reservoirs," Renewable and Sustainable Energy Reviews, Elsevier, vol. 162(C).
    4. Prakriti Bista & Mohamed Eisa & Dovilė Ragauskaitė & Sundar Sapkota & Jonas Baltrusaitis & Rajan Ghimire, 2023. "Effect of Urea-Calcium Sulfate Cocrystal Nitrogen Fertilizer on Sorghum Productivity and Soil N 2 O Emissions," Sustainability, MDPI, vol. 15(10), pages 1-15, May.
    5. Ahmad Razi Othman & Yap Jun Sheng & Noorhisham Tan Kofli & Siti Kartom Kamaruddin, 2022. "Improving methanol production by Methylosinus trichosporium through the one factor at a time (OFAT) approach," Greenhouse Gases: Science and Technology, Blackwell Publishing, vol. 12(5), pages 661-668, October.
    6. Juan-Alejandro Norambuena & Patricia Poblete-Grant & Jorge F. Beltrán & Patricio De Los Ríos-Escalante & Jorge G. Farías, 2022. "Evidence of the Anthropic Impact on a Crustacean Zooplankton Community in Two North Patagonian Lakes," Sustainability, MDPI, vol. 14(10), pages 1-18, May.
    7. Cynthia Soued & Matthew J. Bogard & Kerri Finlay & Lauren E. Bortolotti & Peter R. Leavitt & Pascal Badiou & Sara H. Knox & Sydney Jensen & Peka Mueller & Sung Ching Lee & Darian Ng & Björn Wissel & C, 2024. "Salinity causes widespread restriction of methane emissions from small inland waters," Nature Communications, Nature, vol. 15(1), pages 1-10, December.

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