On Highway 10 from Inuvik to Tuktoyaktuk, Guislain, Édouard and Joannie drive on the newly opened road built on the permafrost. The ride is beautiful, spanning a vegetation gradient from the boreal forest to the arctic tundra. Closer to Tuktoyaktuk, we enter the Pingo National Landmark area, where 8 mounds of earth-covered ice are being protected. At the end of the road is the Arctic Ocean, right where oceanographers want to be!
I am a microbiologist studying the degradation of terrestrial dissolved organic matter (tDOM) by microorganisms in marine and freshwater aquatic environments. I am doing my PhD in a small town in southern France located in the foothills of the Pyrenees on one side and the Mediterranean Sea on the other, Banyuls-sur-Mer, within the Laboratoire d'Océanographie Microbienne (LOMIC). As part of my thesis project, I had the opportunity to integrate the Nunataryuk project, whose objective is to study the origin, transport and fate of organic matter transported by the Mackenzie River to the Beaufort Sea.
A short break in Quebec City for scientists before flying again to Inuvik, this time with an almost entirely new crew. For expedition #3, we shifted from helicopter surveys to small vessel surveys (21ft long boats). We targeted the sampling of the MacKenzie Delta plume right after the freshet in order to keep track of seasonal changes in sediment transport from the Delta to the Beaufort Sea coast.
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