Climate projection of Lake Superior under a future warming scenario

Climate projection of Lake Superior

  • Katsumi Matsumoto | katsumi@umn.edu Department of Earth Sciences, University of Minnesota, Minneapolis, United States. https://orcid.org/0000-0002-5832-9592
  • Kathy S. Tokos Department of Earth Sciences, University of Minnesota, Minneapolis, United States.
  • Joseph Rippke Department of Earth Sciences, University of Minnesota, Minneapolis, United States.

Abstract

In a future warming world, a fully dynamical model of Lake Superior projects that the lake will undergo significant physical and biological changes by the middle of the 21st century with important implications for the surrounding region. Projections for the winter include drastically reduced ice and very weak water column stratification. In contrast, the summertime surface warming is projected to begin earlier, last longer, and be more enhanced. In concert, summertime biological production is projected to shift earlier and become larger. These changes have potentially important consequences for stakeholders with interests in shipping, coastal habitability, fishing, water quality, and recreation. Perhaps more fundamentally, the projected changes imply that Lake Superior may change into a different kind of lake with a dramatically weakened dimictic behavior.

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Author Biography

Katsumi Matsumoto, Department of Earth Sciences, University of Minnesota, Minneapolis

Currently on sabbatical at University of Oxford as Visiting Professor

Published
2019-07-08
Section
Original Articles
Associate Editor
Alberto Doretto, University of Piemonte Orientale, Alessandria, Italy
Supporting Agencies
This work was supported by NASA Physical Oceanography grant NNX13AM85G to KM, Numerical modeling and analysis were carried out using resources at the University of Minnesota Supercomputing Institute (MSI)
Keywords:
Climate projection, Lake Superior, numerical model, Great Lake
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How to Cite
1.
Matsumoto K, Tokos K, Rippke J. Climate projection of Lake Superior under a future warming scenario. jlimnol [Internet]. 8Jul.2019 [cited 13Dec.2019];78(3). Available from: https://jlimnol.it/index.php/jlimnol/article/view/jlimnol.2019.1902