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Membre de l'Acfas

Elisabeth Levac

Professeur-e- d’université | Bishop’s University
2600 rue College Sherbrooke J1M 1Z7
819-922-9600 | elevac@ubishops.ca

Principal secteur de recherche ou d'activité

Sciences naturelles, mathématiques et génie

Mes intérêts de recherche

Géologie, géographie Eau et environnement Océanographie Climatologie et météorologie

Ma formation

  • 1989 - 1992
    UQAM
    Baccalauréat | Geographie Pysique
    Canada
  • 1992 - 1996
    UQAM
    Maîtrise | Sciences de la Terre
    Canada
  • 1998 - 2002
    Dalhousie University
    Doctorat | Sciences de la Terre
    Canada

Mes publications

Khan, A.H., Levac, E., VanGuelphen, L., Pohle, G., Chmura, G.L., 2018. The Effect of Global Climate Change on the Future Distribution of Economically Important Macroalgae (Seaweeds) on the NW Atlantic. FACETS, vol. 3: 275-286 DOI: 10.1139/facets-2017-0091

 

Levac, E., Sandercombe, S., Chmura, G.L., 2018. The Younger Dryas in palynological records from the northern Northwest Atlantic: Does the terrestrial record lag the marine and air records? Palaeogeography, Palaeoclimatology, Palaeoecology, vol. 490: 269-279.  

 

Levac, E., Lewis, Stretch,V., Duchesne, K., Neulieb, T., 2015. Evidence for meltwater drainage via the St. Lawrence River Valley in marine cores from the Laurentian Channel at the time of the Younger Dryas. Global Planetary Change 130: 47-75. http://dx.doi.org/10.1016/j.gloplacha.2015.04.002.

 

Neulieb, T., Levac, E., Southon, J., Lewis, C.F.M., Chmura, G.L.., Pendea, F., 2013. Potential pitfalls of pollen dating, Radiocarbon, vol. 55, Nr 2–3, p 1142-1155. 10.2458/azu_js_rc.55.16274

 

Khan, A.H. (maiden name Hasan), Levac, E., Chmura, G.L. 2013. Future sea surface temperatures in large marine ecosystems of the Northwest Atlantic. ICES (International Council for the Exploration of the Sea) Journal of Marine Science; vol. 70, no 5, p. 915-921. doi:10.1093/icesjms/fst002

 

Lewis, C.F.M., Miller, A.A.L., Levac, E., Piper, D.J.W., Sonnichsen, G.V. 2012. Lake Agassiz outburst age and routing by Labrador Current and the 8.2 cal ka cold event. Quaternary International, vol. 260, pages 83-97. doi:10.1016/j.quaint.2011.08.023

 

Levac, E., Lewis, C.F.M., Miller, A.A.L. 2011. The Impact of the Final Lake Agassiz Flood Recorded in Northeast Newfoundland and Northern Scotian Shelves Based on Century-Scale Palynological Data. In: Abrupt Climate Change: Mechanisms, Patterns, and Impacts. Geophysical Monograph Series 193. pages 139-159. doi:10.1029/2010GM001051. Editors: Harunur Rashid, Leonid Polyak and Ellen Mosley-Thompson.

 

Levac, E., 2011. Climatic and environmental change: monitoring, adaptation, action: The new Multi-Scale Climate and Environmental Change (MUSCLE) Research Cluster. Journal of Eastern Townships Studies, vol. 37, 23-42.

 

Levac, E., Stretch, V., Sandercombe, S., Ashley, A., 2011. A pollen calendar for the main allergenic pollen types in the borough of Lennoxville (Sherbrooke), Quebec. Journal of Eastern Townships Studies, vo. 37, 43-62.

 

Levac, E., Miller, A., Waugh, D.L., Richardson, D.H.S., 2007. Report on the Halifax Experimental pollen and spore forecast program for the summer of 2007. Meteorological Service of Canada, Atlantic Region, Science Report Series 2007-XX, November 2007.

 

Anderson, T.W., Levac, E., Lewis, C.F.M., 2007. Cooling in the Gulf of St. Lawrence and estuary region at 9.7 to 7.2 14C ka: palynological response to the PBO and 8.2 ka cal BP cold events, Laurentide Ice Sheet air mass circulation and enhanced freshwater runoff. Palaeogeography, Palaeoclimatology, Palaeoecology, volume 246, pages 75-100. This was a special issue titled: Late Quaternary North American meltwater and floods to the Atlantic Ocean: evidence and impacts.

 

Mudie, P.J., Rochon, A., Prins, M., Soenarjo, D., Troelstra, S., Levac, E., Scott, D.B., Roncaglia, L., Kuijpers, A., 2006. Late Pleistocene-Holocene marine geology of Nares Strait: palaeoceanography from foraminifer and dinoflagellate cysts, sedimentology and stable isotopes. Polarforschung, volume 74, pages 169-183.

 

DeLazzer, A., Levac, E., Waugh, D.L., Richardson, D.H.S., 2006. Report on the Halifax Experimental pollen and spore forecast program for the summer of 2005. Meteorological Service of Canada, Atlantic Region, Science Report Series 2006-09, Nov 2006.

 

Mudie, P.J., Rochon, A., Levac, E., 2005. Decadal-scale sea ice changes in the Canadian Arctic and their impacts on humans during the past 4,000 years. Geological Society Special Publication “Environmental Catastrophes and Recovery in the Holocene” edited by Iain Stewart and Suzanne Leroy. Environmental Archaeology, vol. 10, 113-126.

 

Levac, E., 2003. Palynological records from Bay of Islands, Newfoundland: direct correlation of Holocene paleoceanographic and climatic changes. Palynology, vol. 27, 135-154.

 

Mudie, P.J., Rochon, A. and Levac, E. 2002. Palynological records of red tides in Canada: past trends and implications for the future. Palaeogeography, Palaeoclimatology, Palaeoecology, vol. 180, p. 159-186.

 

Levac, E., 2002. High resolution palynological records from Atlantic Canada: regional Holocene paleoceanographic and paleoclimatic history. Ph.D. thesis, Dalhousie University, Halifax, Nova Scotia.

 

Levac, E., 2001. High resolution Holocene palynological records from the Scotian Shelf. Marine Micropaleontology, vol. 43, p.179-197.

 

Levac, E., de Vernal, A., Blake, W. Jr. 2001. Sea-surface conditions in northernmost Baffin Bay during the Holocene: palynological evidence. Journal of Quaternary Science, vol. 16, p. 353-363.

 

de Vernal, A., Henry, M., ... Levac, E., et al. 2001. Dinoflagellate cyst assemblages as tracers of sea-surface conditions in the northern North Atlantic, Arctic and sub-Arctic seas: the new "n = 677" data base and its application for quantitative paleoceanographic reconstructions. Journal of Quaternary Science, vol. 16, p. 681-698.