MaddieMadeline Healey

Supervisor: Dr. Melissa Lafreniere

My research aims to further our understanding of how hydrological, optical, climatic and spatial factors influence nutrient cycling in High Arctic landscapes. Specifically, I am interested in characterizing major nitrogen species (nitrate, nitrite, ammonium), as well as total dissolved nitrogen throughout a series of watershed sub-catchments and pond sites of varying turbidities. This involves the analysis of water chemistry for samples collected throughout the 2019 melt season. By understanding the biogeochemistry of watershed catchments on temporal and spatial scales, we are better aware of how High Arctic ecosystems are responding to a changing climate.