A-2: Geochemistry of natural waters: from atmospheric precipitations to deep brines.

[PA2-03] Snowmelt runoff water chemistry transformed by degrading northern palsa in Finnish Lapland

*Nikita Tananaev^1,2, Eliisa Lotsari³, Laure Gandois⁴, Franziska Wolff⁵, Marianna Verdonen⁵ (1. Institute of Natural Sciences, North-Eastern Federal University (Russia), 2. P.I. Melnikov Permafrost Institute SB RAS (Russia), 3. Water and Environmental Engineering, Department of Built Environment, Aalto University (Finland), 4. Functional Ecology and Environment Lab, UMR5245 CNRS-UT3-INPT (France), 5. Department of Geographical and Historical Studies, University of Eastern Finland (Finland))

Keywords:permafrost degradation, palsa, dissolved organic carbon, stable water isotopes