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Lake Metabolism Working Group

The Lake Metabolism Working Group at GLEON 8, moderated by Paul Hanson and Susan Hendricks, engaged in fruitful discussions about lake metabolism parameters, modeling approaches, and data collection needs. Key topics included variations in GPP/R, assumptions in oxygen data usage for estimating metabolism, and plans for a "best practices" paper. Participants shared project updates and outlined strategies for analyzing lake metabolism data leading up to GLEON 9. The collaboration aims to enhance understanding and application of lake metabolism research.

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Lake Metabolism Working Group

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  1. Lake Metabolism Working Group GLEON 8 notes

  2. Who • Paul Hanson, Susan Hendricks (moderators) • Denise Bruesewitz, Julita Dunalska, Zhenqwen Liu, Boping Han, Ami Nishri, Matthew Hipsey, Tiina Noges, Chris Solomon, Kevin Rose, Darren Bade, Bill Perry

  3. Progress • Background discussion, updates from GLEON 7 • Metabolism discussion of parameters, assumptions (Future Outcome: sharing of “best practices” paper) • Modeling for lake metabolism • GPP/R variation projects

  4. Project Descriptions • Variation in GPP/R • Goal: analyzed lake metabolism data for discussion available at GLEON 9 • Collection of potential driver data • Leaders: Chris, Kevin, Denise, Julita • Involvement and data request email to immediately follow meeting

  5. Modelling of Lake Metabolism • What assumptions are implicit when oxygen data from a specific depth is used to estimate whole lake metabolism? • Modelling approach may be a useful method of future analyses • Use high resolution models to upscale single point estimates of lake metabolism • Useful to explore assumptions analysis technique (eg. atmospheric flux; respiration) • Project needs data to inform models • Leaders: Darren Bade, Matt Hipsey • Goal: project update at “Cool Things” session at GLEON 9 • Potential methods paper

  6. From Lake Metabolism Analysis: • Res = 0.73 mgDO/L/day ~ 0.07 /day • GPP = ?? • Atm = 0.00071 mg/L/day

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