https://doi.org/10.25678/000C0E

Data for: Lake surface cooling drives littoral-pelagic exchange of dissolved gases

The extent of littoral influence on lake gas dynamics remains debated in the aquatic science community due to the lack of direct quantification of lateral gas transport. The prevalent assumption of diffusive horizontal transport in gas budgets fails to explain anomalies observed in pelagic gas concentrations. Here we demonstrate through high-frequency measurements in a eutrophic lake that daily convective horizontal circulation generates littoral-pelagic advective gas fluxes one order of magnitude larger than typical horizontal fluxes used in gas budgets. These lateral fluxes are sufficient to redistribute gases at the basin-scale and generate concentration anomalies reported in other lakes. Our observations also contrast the hypothesis of pure, nocturnal littoral-to-pelagic exchange by showing that convective circulation transports gases like oxygen and methane toward both the pelagic and littoral zones during the daytime. This study challenges the traditional pelagic-centered models of aquatic systems by showing that convective circulation represents a fundamental lateral transport mechanism to be integrated into gas budgets.

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Data and Resources

Citation

This Data Package

Doda, T., Ramón, C. L., Ulloa, H. N., Brennwald, M. S., Kipfer, R., Perga, M.-E., et al. (2023). Data for Lake surface cooling drives littoral-pelagic exchange of dissolved gases (Version 1.0). Eawag: Swiss Federal Institute of Aquatic Science and Technology. https://doi.org/10.25678/000C0E

The associated article

Doda, T., Ramón, C. L., Ulloa, H. N., Brennwald, M. S., Kipfer, R., Perga, M. E., Wüest A., Schubert C. J., Bouffard, D. (2024). Lake surface cooling drives littoral-pelagic exchange of dissolved gases. Science Advances, 10(4), eadi0617 (9 pp.). https://doi.org/10.1126/sciadv.adi0617

Metadata

  Publication Data Package for:
Open Data Open Data
Author(s)
  • Doda, Tomy
  • Ramón, Cintia L.
  • Ulloa, Hugo N.
  • Brennwald, Matthias S.
  • Kipfer, Rolf
  • Perga, Marie-Elodie
  • Wüest, Alfred
  • Schubert, Carsten J.
  • Bouffard, Damien
Keywords lake,lateral transport,dissolved gases,differential cooling,horizontal convective circulation
Variables
  • concentration
  • temperature
  • velocity
Substances (scientific names)
  • methane (InChI=1S/CH4/h1H4)
  • oxygen (InChI=1S/O2/c1-2)
Substances (generic terms)
  • dissolved gases
Systems
  • lake
Timerange
  • 2020-11-20
  • 2020-12-10
Geographic Name(s)
  • Rotsee
Review Level general
Curator Doda, Tomy
Contact Bouffard, Damien <Damien.Bouffard@eawag.ch>
DOI 10.25678/000C0E