André VIAU

Carte électronique

André VIAU
Professeur agrégé, Département de géographie
2003 – Ph.D., Géographie, Université d’Ottawa
1999 – M.A., Géographie, Université d’Ottawa
1997 – B.A. Hon., Géographie, Université d’Ottawa

SMD 018
Tél. : 613-562-5800 poste 1063
Courriel : aviau@uOttawa.ca

Biographie

Carrière

2011 – présent – Professeur agrégé

2008 / 2011 – Professeur adjoint

2005 /2008 – Chercheur associé

  • Laboratoire de paléoclimatologie et de climatologie (LPC) de l’Université d’Ottawa
  • Participation au programme de recherche national : Polar Climate Stability Network (PCSN) subventionné par la Fondation canadienne
  • pour les sciences du climat et de l’atmosphère (FCSCA - CFCAS).

2003 /2005 – Chercheur postdoctoral

  • Laboratoire de paléoclimatologie et de climatologie (LPC) de l’Université d’Ottawa
  • Participation au programme de recherche national : Climate System History and Dynamics (CSHD) subventionné par le Conseil de recherches en sciences naturelles et en génie du Canada (CRSNG - NSERC) et du Service Météorologique du Canada (SMC - MSC).

 

Cours enseignés

  • GEG2704/2304 – Introduction à la climatologie/Introduction to Climatology
  • GEG2918 – Fall Field Camp I/Camp d’automne I
  • GEG/ENV 3721/3321 – Approches géographique de problèmes environnementaux/Geographical Approaches to Environmental Issues
  • GEG3300 – The debate surrounding Global Warming: Proponents versus Skeptics
  • GEG3504 – Methodes en geographie/ Methids in geography
  • GEG4509 – Les changements climatiques/Global Climatic Change
  • Séminaires gradués:
    • GEG5710 – Le système climatique de l’Arctique/ The Arctic climate system
    • GEG5311 – Environmental change in cold regions

Survol des publications

Articles avec comité de lecture

2011-

Gajewski, K., Munoz, S.E., Peros, M., Viau A.E., Morlan, R., and Betts, M. The Canadian Archeological Radiocarbon Database (CARD): archeological radiocarbon dates in North America and their paleoenvironmental context. Radiocarbon, 53: 371-394, 2011

Bartlein, P.J., Harrison, S.P., Brewer, S., Connor, S., Davis B.A.S., Gajewski, K., Guiot, J., Harrison-Prentice, T.I., Henderson, A., Peyron, O., Prentice, I.C., Scholze, M., Seppä, H., Shuman, B., Sugita, S., Thompson, R.S., Viau, A.E., Williams, J., Wu, H., Pollen-based continental climate reconstructions at 6 and 21 ka: a global synthesis. Climate Dynamics. DOI 10.1007/s00382-010-0904-1, 2011

2009-2010

Peros, M., Munoz, S., Gajewski, K., Viau, A.E., Prehistoric demography of North America inferred from radiocarbon data. Journal of Archaeological Science. 37: 656-664, 2010

Viau, A.E. and Gajewski, K., Reconstructing Millennial, Regional; Paleoclimates of Boreal Canada during the Holocene. Journal of Climate. 22: 316-330, 2009

2007-2008

Viau, A.E., Gajewski, K., Sawada, M.C., Bunbury, J., Low-and-high-frequency climate variability in Eastern Beringia during the past 25,000 years. Canadian Journal of Earth Sciences. 45: 1435-1453, 2008

Peros, M., Gajewski, K., and Viau A.E., Continental-scale tree population response to rapid climate change, competition, and disturbance. Global Ecology and Biogeography. 17: 658-659, 2008

Viau, A.E. and Gajewski, K., Comment on “ The magnitudes of millennial- and orbital-scale climatic change in eastern North America during the Late Quaternary” by Shuman et al., 2005. Quaternary Science Reviews. 26: 264-267, doi:10.1016/j.quascirev.2006.07.010, 2007

2005-2006

Viau, A.E., Gajewski, K., Sawada, M.C., Fines, P., Millennial-scale temperature variability in North America during the Holocene. Journal of Geophysical Research-Atmospheres. 111: D09102, doi:10.1029/2005JD006031, 2006

Gajewski, K., Viau, A.E., Sawada, M., Atkinson, D.E., Fines, P., Synchronicity in climate and vegetation transitions between Europe and North America during the Holocene. Climatic Change. 78: 341-361, doi: 10.1007/s10584-006-9048-z, 2006

Finkelstein, S., Gajewski, K., Viau, A.E., Improved resolution of pollen taxonomy allows better biogeographical interpretation of post-glacial forest development: analyses from the North American Pollen Database. Journal of Ecology. 94: 415-430, 2006

Whitmore, J., Gajewski, K., Sawada, M., Williams, J.W., Shuman, B., Bartlein, P.J. Minckley, T., Viau A.E., Webb, T., III, Shafer, S., A North American Modern Pollen Database for Multi-scale Paleoecological and Paleoclimatic Applications. Quaternary Science Reviews. 24: 1828-1848, 2005

2001-2004

Sawada, M.C., Viau, A.E., Vettoretti, G., Peltier, W.R., Gajewski, K., Comparison of North American pollen-based temperature and global lake-status with CCCma AGCM output at 6 ka. Quaternary Science Reviews. 23(3-4): 225-244, 2004

Sawada, M.C., Viau, A.E., Gajewski, K., 2003. The Biogeography and paleoclimatic implications of aquatic macrophytes in North America since the Last Glacial Maximum. Journal of Biogeography 30(7): 999-1018.

Viau, A.E, Gajewski, K., Fines, P., Atkinson, D.E., Sawada, M.C., 2002. Widespread evidence of 1500 yr climate variability in North America during the past 14 000 yr. Geology. 30(5):455–458.

Gajewski, K., Viau, A.E., Sawada, M.C., Atkinson, D.E. and Wilson, S., 2001. Sphagnum distribution in North America and Eurasia during the past 21,000 years. Global Biogeochemical Cycles. 15(2): 297-310.

Viau, A.E. and Gajewski, K., 2001. Holocene variations in the global hydrological cycle quantified by objective gridding of lake level databases. Journal of Geophysical Research-Atmosphere 106: 31703-31716.

Livres

Williams, J. W., B. Shumana, P. J. Bartlein, J. Whitmore, K. Gajewski, M. Sawada, T. Minckley, S. Shafer, A.E. Viau, T. Webb III, P. Anderson, L. Brubaker, C. Whitlock, O. Davis. An Atlas of Pollen-Vegetation-Climate Relationships for the United States and Canada. American Association of Stratigraphic Palynologists, Inc. (AASP), 237 pp.

Contributions de données scientifiques

Viau, A.E., K. Gajewski, M.C. Sawada, and J. Bunbury, 2009. Eastern Beringia 25,000 Year Climate Reconstructions.IGBP PAGES/World Data Center for Paleoclimatology Data Contribution Series # 2009-063.NOAA/NCDC Paleoclimatology Program, Boulder CO, USA.

Viau, A.E. and K. Gajewski. 2009. Boreal Canada Regional Holocene Climate Reconstructions. IGBP PAGES/World Data Center for Paleoclimatology Data Contribution Series # 2009-064.NOAA/NCDC Paleoclimatology Program, Boulder CO, USA.

Viau, A.E., K. Gajewski, M.C. Sawada, and P. Fines, 2006. North American 14,000 Year Pollen-based July Temperature Reconstructions. IGBP PAGES/World Data Center for Paleoclimatology Data Contribution Series # 2006-121.NOAA/NCDC Paleoclimatology Program, Boulder CO, USA.

Williams, J.W., B. Shuman, P.J. Bartlein, J. Whitmore, K. Gajewski, M. Sawada, T. Minckley, S. Shafer, A.E. Viau, T. Webb, III, P.M. Anderson, L.B. Brubaker, C. Whitlock, and O.K. Daviset al.  2006. North American Pollen Atlas.IGBP PAGES/World Data Center for Paleoclimatology, Data Contribution Series # 2007-001.NOAA/NCDC Paleoclimatology Program, Boulder CO, USA.

Gajewski, K., Viau, A.E., Sawada, M., Atkinson, D., Wilson, S., 2002. Area and Carbon Content of Sphagnum Since Last Glacial Maximum. In Trends: A Compendium of Data on Global Change. Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, U.S. Department of Energy, Oak Ridge, Tenn., USA. URL: http://cdiac.ornl.gov/trends/ecosystems/gajewski2.html.

Viau, A.E., 2002. Viau and Gajewski 2001 Global Lake Level  Status Grids. IGBP PAGES/World Data Center for Paleoclimatology Data Contribution Series #2002-037. NOAA/NGDC Paleoclimatology Program, Boulder CO, USA.URL: ftp//ftp.ngdc.noaa.gov/paleo/lakelevels/viau2001/.

Actes de conférence

Gajewski, K and A.E. Viau. 2011. Abrupt Climate Changes during the Holocene across North America from Pollen and Paleolimnological Records. In: L Polyak, ed. Abrupt Climate Change: mechanisms, patterns and impacts. American Geophysical Union, Washington, DC.

Gajewski, K., Viau, A.E., and Sawada, M.C., 2007. Millennial-scale climate variability in the Holocene – the terrestrial record. Pp 133-154 in G Kutzbach, ed., Climate Variability and Change: Past, Present and Future. John E Kutzbach Symposium. Disponible : Center for Climatic Research. University of Wisconsin-Madison. Madison, Wi 53706.

Sawada, M., Viau, A.E., Gajewski, K., 2001. Critical thresholds of dissimilarity in the modern analog technique (MAT) for quantitative paleoclimate reconstruction. 1st International Conference on Global Warming and the Next Ice Age: 149-152, Halifax, NS, Août, 2001.

 Viau, A.E. and Gajewski, K., 1999. Global hydrological change at 6 ka using gridded lake-level data. 3rd PMIP conference, St-Michel des Monts. In: Braconnot, P., ed. Paleoclimate Modelling Intercomparison Project (PMIP). Proceedings of the Third PMIP workshop, Canada, 4-8 octobre, 1999. WCRP-111, WMO/TD-No. 1007, 271 pp.

Sélection de communications (4 dernières années)

Viau, A.E., Ladd, M., Gajewski, K., Sawada, M.C. A space-time modeling approach to large-scale paleoclimate reconstructions, INQUA 2011, Bern, Switzerland, July 2011.

Viau, A.E, Ladd, M.. Gajewski, K., Climate of the last 2,000 years in North America reconstructed from pollen records, INQUA 2011, Bern, Switzerland, July 2011.

Peros, M., Gajewski, K., Viau, A.E. Vegetation change and the Younger Dryas: a continental-scale perspective, INQUA 2011, Bern, Switzerland, July 2011.

Gajewski, K., Peros, M., Munoz, S., Viau, A.E. Human-Environment relations across North America during the Holocene, INQUA 2011, Bern, Switzerland, July 2011.

Gajewski, K. and Viau, A.E. Quantitative reconstructions of Arctic and Boreal Holocene environments in North America, INQUA 2011, Bern, Switzerland, July 2011.

Viau, A.E., Ladd, M., Gajewski, K., The climate of North America during the past 2k, NAM2k scoping meeting, Flagstaff, AZ, USA, May 2011.

Gajewski, K., Munoz, S., Peros, M., Viau, A.E., Betts, M. Continental-scale human-environmental relationships during the past 15000 years across North America, Santa Fe, USA, 2011

Way, R. and Viau, A.E. Causes of climate variability in the Labrador region of Canada during the past century. ACAG conference, St-John’s Newfoundland and Labrador, Oct 2010.

Viau. A.E. and Gajewski, K. Paleoclimates of North America in the context of the last 2ka. Lisbon symposium on the MWP, Sep. 2010.

Gajewski, K. and Viau, A.E. Quantifying Holocene climates of the Canadian Arctic. CMOS/CGU Ottawa, May 2010.

Ladd, M. and Viau, A.E. Reconstructing North American paleoclimate from pollen data for the past 21,000 years, EGU General Assembly, Vienna, Austria, May 2010.

Gajewski, K. and Viau, A.E., Regional climate reconstructions in northern North America. Past Global Changes (PAGES) 3rd open science meeting, Oregon State University, Corvallis, Oregon, USA, July 2009.

Peros, M., Munoz, S., Viau, A.E., Betts, M., Gajewski, K., Prehistoric demography of North America inferred from radiocarbon data. Past Global Changes (PAGES) 3rd open science meeting, Oregon State University, Corvallis, Oregon, USA, July 2009.

Gajewski, K., Viau, A.E., Peros, M., Munoz, S., Betts, M., Abrupt climate changes during the Holocene and Late Glacial across North America from pollen and paleolimnological records. AGU Chapman conference on abrupt climate change, Byrd Polar Research Center, Ohio State University Columbus, Ohio, USA, June 2009.

Ladd, M., Viau, A.E., McLeman, R., Maple syrup production and it potential use as an indicator of changes in spring climate patterns. CAG Annual Meeting, Ottawa, Ontario, Canada, May 2009.

Viau, A.E. and Gajewski, K., Space-time evolution of the climate of northern Canada and Alaska during the Holocene. AGU 2009 Joint Assembly, Toronto, Ontario, Canada, May 2009.

Gajewski, K., Viau, A.E., Peros, M., Munoz, S., Large-scale paleoenvironmental analyses using pollen databases. AGU 2009 Joint Assembly, Toronto, Ontario, Canada, May 2009.

Viau, A.E., Crighton, E.C., McLeman, R., Les impacts, la vulnérabilité et l’adaptation

face aux changement climatique dans la région de l’Outaouais. Atelier OURANOS sur les extrêmes hydrologiques. Montréal, Québec, February 2009.

Viau, A.E., Gajewski, K., Peros, M., Bunbury, J., Holocene terrestrial climate variability in the Canadian North. CMOS-PCSN Meeting. Kelowna, B.C., Canada, May 2008.

Viau, A.E. and Gajewski, K., 2007. Paleoclimates of Canada north of 50°: Comparison with high-resolution multi-proxy records. AGU Fall meeting, San Francisco, USA, Dec. 2007.

Gajewski, K. and Viau, A.E., 2007. Pollen databases in paleoenvironmental reconstructions. CANQUA 2007 Conference. Ottawa, Ontario, Canada. June 2007.

Viau, A.E. and Gajewski, K., 2007. Reconstructing high-latitude climate variability in North America during the Holocene using pollen data: How well do these compare to high-resolution multi-proxy records? CMOS/CGU/AMS joint meeting. St-John’s, Newfoundland and Labrador, Canada. May 2007.

Gajewski, K., Viau, A.E., Peros, M., Ladd, M., 2007. Paleoclimate of northern Canada: a synthesis. CMOS/CGU/AMS joint meeting. St-John’s, Newfoundland and Labrador, Canada. May 2007

Supervision de thèses

Matthew Ladd, Ph.D. 2009 – “The climate of North America during the past 6,000 years using pollen data”.

Jonathan Leblanc-Tanguay MSc -2010 “La vulnérabilité des municipalités de Mont-Laurier et Ferme-Neuve aux aléas hydrométéorologiques dans le contexte du changement climatique”

Francois Oliva – MSc – 2012- “Past lake-level variations of Lake Isabel, Québec, Canada”

Chantal McCartin – MSc -2012- TBD

Anciens

Chantal McCartin – BSc mémoire de baccalauréat “Face au changement climatique: l’impact au niveau de l’acériculture de l’Est ontarien”, 2011. 

Champs d'intérêt

  • Climatologie
  • Historique et dynamique du système climatique
  • Changements abrupts du climat terrestre
  • Les climats nordiques
  • Réchauffement planétaire contemporain
  • Analyses et modélisation des données environnementales
  • Interrelation entre le climat et l’humain
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