Impacts of changes in groundwater recharge on the isotopic composition and 1 geochemistry of seasonally ice-covered lakes : insights for sustainable 2 management 3 4 5

5 Marie Arnoux1,2, Florent Barbecot1, Elisabeth Gibert-Brunet2, John Gibson3, Aurélie Noret2 6 7 1 GEOTOP, Université du Québec à Montréal, Montréal, Québec, Canada H3C 3P8 8 2 GEOPS, UMR 8148, CRNS-Université Paris Saclay/Paris-Sud, Orsay, France 9 3 Alberta Innovates Technology Futures, 3-4476 Markham Street, Victoria, BC V8Z 7X8, Canada 10 11 Keyword: lakes; climate change; recharge; groundwater-surface water interaction; hydrological balance; water stable 12 isotopes 13 14 Corresponding author: 15 Marie Arnoux (marie.arnoux@u-psud.fr) 16 +33 6 79547616 17 GEOTOP, Université du Québec à Montréal, Montréal, Québec, Canada H3C 3P8 18 GEOPS, UMR 8148, CRNSUniversité Paris-Saclay/Paris-Sud, Orsay, France 19 20 Florent Barbecot (barbecot.florent@uqam.ca) 21 GEOTOP, Université du Québec à Montréal, Montréal, Québec, Canada H3C 3P8 22 23 Elisabeth Gibert-Brunet (elisabeth.gibert@u-psud.fr) 24 GEOPS, UMR 8148, CRNSUniversité Paris Saclay/Paris-Sud, Orsay, France 25 26 John Gibson (jjgibson@uvic.ca) 27 Alberta Innovates Technology Futures, 3-4476 Markham Street, Victoria, BC V8Z 7X8, Canada 28 29 Aurélie Noret (aurelie.noret@u-psud.fr) 30 GEOPS, UMR 8148, CRNSUniversité Paris Saclay/Paris-Sud, Orsay, France 31 32