Thermal stratification and meromixis in four dilute temperate zone lakes

Swanner, Elizabeth D.; Harding, Chris; Akam, Sajjad A.; Lascu, Ioan; Ledesma, Gabrielle; Poudel, Pratik; Sun, Heeyeon; Duncanson, Samuel; Bandy, Karly; Branham, Alex; Bryant-Tapper, Liza; Conwell, Tanner; Jamison, Omri; Netz, Lauren

doi:https://doi.org/10.5194/bg-21-1549-2024

Articles | Volume 21, issue 6

https://doi.org/10.5194/bg-21-1549-2024

© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/bg-21-1549-2024

© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 21, issue 6

Research article

|

25 Mar 2024

Research article |

| 25 Mar 2024

Thermal stratification and meromixis in four dilute temperate zone lakes

Elizabeth D. Swanner, Chris Harding, Sajjad A. Akam, Ioan Lascu, Gabrielle Ledesma, Pratik Poudel, Heeyeon Sun, Samuel Duncanson, Karly Bandy, Alex Branham, Liza Bryant-Tapper, Tanner Conwell, Omri Jamison, and Lauren Netz

Supplement

https://doi.org/10.5194/bg-21-1549-2024-supplement

Data sets

Water properties of Arco Lake, Budd Lake, Deming Lake, and Josephine Lake in Itasca State Park from 2006-2009 and 2019-2023 E. D. Swanner et al. https://doi.org/10.6073/pasta/eb8757dedf22ce40e79ca410c2ab9a34

Model code and software

Thermal stratification and meromixis in four dilute temperate zone lakes E. D. Swanner https://doi.org/10.5281/zenodo.10680925

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Short summary

Four lakes were thought to be permanently stratified. Years’ worth of data indicate only one lake is permanently stratified. Strong temperature gradients keep it stratified – unusual for a lake in a temperate climate. The lake has elevated oxygen concentrations within the temperature gradient. Rapid development of the gradient in the spring traps oxygen, and oxygen production by photosynthetic organisms during the summer adds more.