Articles | Volume 26, issue 18
Research article
28 Sep 2022
Research article |  | 28 Sep 2022

Present and future thermal regimes of intertidal groundwater springs in a threatened coastal ecosystem

Jason J. KarisAllen, Aaron A. Mohammed, Joseph J. Tamborski, Rob C. Jamieson, Serban Danielescu, and Barret L. Kurylyk

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Cited articles

Anderson, M.: Heat as a groundwater tracer, Groundwater, 43, 951–968,, 2005. 
Anderson, R. P.: A framework for using niche models to estimate impacts of climate change on species distributions, Ann. NY Acad. Sci., 1297, 8–28,, 2013. 
Bartlett, G. L.: Quantifying the temporal variability of discharge and nitrate loadings for intertidal springs in two Prince Edward Island estuaries, MS thesis, University of New Brunswick, New Brunswick, Canada, 2011. 
Bejannin, S., van Beek, P., Stieglitz, T., Souhaut, M., and Tamborski, J.: Combining airborne thermal infrared images and radium isotopes to study submarine groundwater discharge along the French Mediterranean coastline, J. Hydrol.-Regional Studies, 13, 72–90,, 2017. 
Short summary
We used a combination of aerial, thermal, hydrologic, and radionuclide monitoring to investigate intertidal springs flowing into a coastal lagoon with a threatened ecosystem. Field data highlight the critical hydrologic and thermal role of these springs in the nearshore zone, and modelling results reveal that the groundwater springs will likely warm substantially in the coming decades due to climate change. Springs sourced from shallower zones in the aquifer will warm first.