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Wallin, Marcus B.; Campeau, Audrey; Audet, Joachim; Bastviken, David; Bishop, Kevin; Kokic, Jovana; Laudon, Hjalmar; Lundin, Erik; Löfgren, Stefan; Natchimuthu, Sivakiruthika; Sobek, Sebastian; Teutschbein, Claudia; Weyhenmeyer, Gesa A.; Grabs, Thomas

Carbon dioxide and methane emissions of Swedish low‐order streams—a national estimate and lessons learnt from more than a decade of observations

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  • Medientyp: E-Artikel
  • Titel: Carbon dioxide and methane emissions of Swedish low‐order streams—a national estimate and lessons learnt from more than a decade of observations
  • Beteiligte: Wallin, Marcus B.; Campeau, Audrey; Audet, Joachim; Bastviken, David; Bishop, Kevin; Kokic, Jovana; Laudon, Hjalmar; Lundin, Erik; Löfgren, Stefan; Natchimuthu, Sivakiruthika; Sobek, Sebastian; Teutschbein, Claudia; Weyhenmeyer, Gesa A.; Grabs, Thomas
  • Erschienen: Wiley, 2018
  • Erschienen in: Limnology and Oceanography Letters
  • Sprache: Englisch
  • DOI: 10.1002/lol2.10061
  • ISSN: 2378-2242
  • Schlagwörter: Aquatic Science ; Oceanography
  • Entstehung:
  • Anmerkungen:
  • Beschreibung: <jats:title>Abstract</jats:title><jats:p>Low‐order streams are suggested to dominate the atmospheric CO<jats:sub>2</jats:sub> source of all inland waters. Yet, many large‐scale stream estimates suffer from methods not designed for gas emission determination and rarely include other greenhouse gases such as CH<jats:sub>4</jats:sub>. Here, we present a compilation of directly measured CO<jats:sub>2</jats:sub> and CH<jats:sub>4</jats:sub> concentration data from Swedish low‐order streams (&gt; 1600 observations across &gt; 500 streams) covering large climatological and land‐use gradients. These data were combined with an empirically derived gas transfer model and the characteristics of a ca. 400,000 km stream network covering the entire country. The total stream CO<jats:sub>2</jats:sub> and CH<jats:sub>4</jats:sub> emission corresponded to 2.7 Tg C yr<jats:sup>−1</jats:sup> (95% confidence interval: 2.0–3.7) of which the CH<jats:sub>4</jats:sub> accounted for 0.7% (0.02 Tg C yr<jats:sup>−1</jats:sup>). The study highlights the importance of low‐order streams, as well as the critical need to better represent variability in emissions and stream areal extent to constrain future stream C emission estimates.</jats:p>
  • Zugangsstatus: Freier Zugang