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l’Initiative de normalisation des infrastructures du Nord

Dans l’Arctique canadien, les infrastructures subissent les effets des changements climatiques – fonte du pergélisol, érosion côtière et modification de la configuration des températures et des précipitations. C’est ce qui a poussé le Conseil canadien des normes à mettre sur pied l’Initiative de normalisation des infrastructures du Nord (ININ) afin de créer des normes spécifiques.

La première phase de l’ININ (de 2011 à 2016) a mené à la rédaction de cinq normes :

Water, mud, and bubbles: Impacts of permafrost degradation on greenhouse gas emissions from Arctic ponds and lakes

Carbon cycle dynamics in response to permafrost degradation is a ‘hot topic’ in northern research. We are particularly interested in greenhouse gases (CO2, CH4) emitted from ‘thermokarst’ aquatic ecosystems, i.e. ponds and lakes formed by the thawing of ice-rich permafrost. Such thawing results in the atmospheric release (as CO2 and CH4) of old carbon formerly trapped frozen in the ground. One of the main challenges is to sample efficiently these gases, especially small bubbles rising through the water column.

Assessing Berries to Monitor Ecological Change: a collaboration with Nunavut Arctic College's Environmental Technology Program

Students of ETP have been contributing to a multidisciplinary study looking at vegetation response in a warming Arctic context, with a focus on berry ecology and productivity of 3 favourite species: Blueberry (Kigutangirnaq/Vaccinium uliginosum), Crowberry (Paurngaq/Empetrum nigrum) and Cranberry (Kimminaq/Vaccinium vitis-idaea). From 2009 to 2013 they have been collecting berries following a scientific protocol in a permanent monitoring plot near their fall camp location at Peterhead Inlet, near Iqaluit.