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Recent results and publications

Published on 14 Aug 2020

Over the past few months, Sentinel North teams have joined forces to generate knowledge and technological advances that lead to a better understanding of the changing northern environment, and its impact on human health. Congratulations to the teams for these accomplishments that have recently been the subject of publications, scientific articles or media coverage.  

 

3d LiDAR Sentinelle Nord

A team composed of Philippe Archambault, Eric Rehm, Mathieu Huot and their partners designed a pulsed 3D LiDAR mounted on an autonomous underwater vehicle for remote monitoring of Arctic substrates. The concept, registered for patent, is of interest to better study the seabed and the lower surface of the sea ice.

Presentation at the Sentinel North Scientific Meeting (August 2019). Photo credit: OceanTech.


biophilie sentinelle nord

In Architectural Science Review, Philippe Lalande, Claude M. H. Demers, Jean-François Lalonde and Marc Hébert present a photographic and photometric capture tool capable of generating visual representations that bring to the forefront the photobiological aspect of light. This parameter is of prime importance in the design of buildings in northern environments. (July 2020).

Spatial representations of melanopic light in architecture


production primaire arctique sentinelle nord

In Frontiers in Marine Science, Achim Randelhoff, Johanna Holding, Markus Janout, Mikael Kristian Sejr, Marcel Babin, Jean-Éric Tremblay and Matthew B. Alkire present new observations on nitrate inventory and its quality as a reliable proxy of Arctic primary production: (March 2020).

Pan-Arctic Ocean Primary Production Constrained by Turbulent Nitrate Fluxes

 


arctic char sentinelle nord

New data on the genetic diversity of northern Arctic charr populations could help local and regional decision-makers in fisheries management and Arctic charr conservation, reveals the article by Xavier Dallaire, Éric Normandeau, Julien Mainguy, Jean-Éric Tremblay, Louis Bernatchez and Jean-Sébastien Moore in bioRxiv. (April 2020).

Population structure and genomic evidence for local adaptation to freshwater and marine environments in anadromous Arctic Char (Salvelinus alpinus) throughout Nunavik, Canada

 


obésité microbiote sentinelle nord

In The International Journal of Obesity, Béatrice S.-Y. Choi, Laurence Daoust, Geneviève Pilon, André Marette and Angelo Tremblay observe that intervening at the microbiota level can have benefits on three conditions related to obesity : mood disorders, eating behaviors, and body detoxification of persistent organic pollutants (POPs). (June 2020).

Potential therapeutic applications of the gut microbiome in obesity: from brain function to body detoxification

 


recharge nappes phréatiques sentinelle nord

In Geophysical Research Letters, N.-L. Young, J.‐M. Lemieux, H. Delottier, R. Fortier and P. Fortier examine how different types of vegetation affect groundwater recharge in the Arctic. (May 2020).

A Conceptual Model for Anticipating the Impact of Landscape Evolution on Groundwater Recharge in Degrading Permafrost Environments

 


sentinelle nord covid-19 oie des neiges

By joining forces in ecology, population health, and infectiology, teams from three Sentinel North Research Chairs led by Professors Pierre Legagneux, Mélanie Lemire and Gary Wong are demonstrating that snow geese are not carriers of the virus responsible for COVID-19. In doing so, they are responding to the concerns of their indigenous partners, for whom this species contributes significantly to food security. (May 2020).

No COVID-19 in snow geese, concludes Université Laval study

 


caribou sentinelle nord

By combining biological observations and innovative numerical analysis methods, researcher Daniel Fortin and his collaborators have discovered a key determinant of the woodland caribou conservation. Read it in PLOSOne. (March 2020)

When the protection of a threatened species depends on the economy of a foreign nation

 


arctic atlantification sentinelle nord

In Nature Communications, Marcel Babin, Philippe Massicotte, Achim Randelhoff and their colleagues highlight some indicators of the "atlantification" of the Arctic Ocean (surface velocity of North Atlantic currents, and spatial distribution of the algae EHUX), which may lead to potential alterations in the Arctic marine food chain and biogeochemical cycles. (April 2020).

Faster Atlantic currents drive poleward expansion of temperate phytoplankton in the Arctic Ocean

 


laser sentinelle nord

In Light: Science & Applications, Jérôme Lapointe, Jean-Philippe Bérubé, Yannick Ledemi, Albert Dupont, Vincent Fortin, Younès Messaddeq and Réal Vallée of the COPL demonstrate a new physical phenomenon of light. (April 2020).

Nonlinear increase, invisibility, and sign inversion of a localized fs-laser-induced refractive index change in crystals and glasses

 


virus lacs nordiques sentinelle nord

In American Society for Microbiology, Myriam Labbé, Catherine Girard, Warwick F. Vincent and Alexander Culley highlight distinct and divergent virus populations in the northernmost lakes of the world. (May 2020)

Extreme Viral Partitioning in a Marine-Derived High Arctic Lake

 

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