En collaboration avec le GEOTOP, le Groupe de recherche interuniversitaire sur les eaux souterraines (GRIES) et l'Association internationale des hydrogéologues AIH-SNC (Québec) vous invitent à notre prochaine conférence-webinaire!
Le professeur Masaki Hayashi, du département des Géosciences de l'Université de Calgary, viendra présenter : « Alpine hydrogeology: Linking field observations to basin-scale hydrology ». La présentation sera diffusée en anglais par vidéoconférence à partir de l'UQAM, le lundi 10 mars 2014 à 12h15.
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Résumé :
River flow in the Rocky Mountains is characterized by a few months of freshet followed by a prolonged period of baseflow, which is critical for freshwater ecosystems and water supply during dry months. Maintenance of baseflow requires a sustained source of water. While meltwater from glacier, buried ice, and late-lying snowpack can sustain some of baseflow during summer months, groundwater discharge is the only year-around source of water. Due to the difficulty of field work, groundwater in alpine environments (i.e. above the tree line) has not been studied extensively. However, over the past decade or so, a number of studies have shown that groundwater is an important component of the alpine hydrologic cycle. Using a case study from the Lake O’Hara watershed in the Canadian Rockies, I will highlight hydrogeological characteristics of typical alpine aquifer units and discuss their storage capacity with respect to basin-scale hydrology.
Biographie :
For my biography and research interests, please visit www.ucalgary.ca/hayashi/
Miryane Ferlatte
Coordonnatrice scientifique
http://www.rqes-gries.ca/