climatic change, Arctic snowfall, river ice, river biogeochemistry, Arctic rivers, river‐ocean interface, Snow, Hydrology, Rivers, Ice melting, Climate, Growth, Snowfall, Ice breakup, Deltas, River flow, Hydrologic cycle, Lake ice, Spring (season), Winter, Water levels, River discharge, Polar environments, Breakup, Water scarcity, Ice, Spring, Discharge, Inl...