Olivier (GJ) Riche

Physical Scientist/ Research Assistant

I am currently a physical scientist/oceanographic assistant and originally a postdoctoral fellow at DFO and ECCC. I assist research scientists and other PCs at Diane Lavoie's numerical modelling lab and produce research material and articles.

I am also as of May 2019, co-chair of the Science Early Career Network, supervise its activities at a national level and collaborate with junior and senior colleagues within the research and administration sections at non-specifically science meetings to help DFO reach its goal of excellence.

Current research and/or projects

1. The Gulf of St. Lawrence and nearby aquatic systems influencing its circulation and the lower trophic levels of its aquatic ecosystem.

2. Modelling the carbon and nutrients cycle in the water column

3. Modelling the interactions between biogeochemical cycles, physical processes, and phytoplankton

4. Model validation with observations



Research and/or project statements

Modelling and understanding the interannual variability of the primary production in the Gulf of St. Lawrence as part of Diane Lavoie's modelling team.

Contributing with biogeochemical model products to the Atlantic Zone Monitoring Program.

Education and awards

2011 – PhD Physical Oceanography - University of British Columbia, BC, Canada
2002 – M.Sc. Physical Oceanography - Université du Québec à Rimouski, QC, Canada
2001 – Mohammed-El-Sabh's Excellence Scholarship in Physical Oceanography; UQAR, Rimouski, QC
1998 – D.E.S.S. Marine Engineering - Telecommunications and Robotics - Université de Toulon et du Var, France (Postgraduate diploma in ocean engineering)
1997 – Licence et Maîtrise de Physique et Applications - Instabilités et Propagation - Université du Havre, France (Bachelor degree in applied mathematics and physics


Key publications

Hakase Hayashida, Jim Christian, Amber Holdsworth, Xianmin Hu, Adam Monahan, Eric Mortenson, Paul Myers, Olivier Riche, Tessa Sou, and Nadja Steiner 2019. CSIB v1 (Canadian Sea-ice Biogeochemistry): a sea-ice biogeochemical model for the NEMO community ocean modelling framework. Geoscientific Model Development 12: 1965-1990
O GJ Riche and J Christian 2018. Ocean dinitrogen fixation and its potential effects on ocean primary production in Earth system model simulations of anthropogenic warming. Elementa: Science of the Anthropocene 6(1): 16
O GJ Riche, R Pawlowicz 2014 Variability in a fjord-like coastal estuary I: Quantifying the circulation using a formal multi-tracer inverse approach Estuarine, Coastal and Shelf Science 137: 1-13
O Riche, SC Johannessen, RW MacDonald 2013 Why timing matters in a coastal sea: Trends, variability and tipping points in the Strait of Georgia, Canada Journal of Marine Systems 131: 36–53
R Pawlowicz, O Riche, M Halverson 2007. The Circulation and Residence Time of the Strait of Georgia using a Simple Mixing-box Approach. Atmosphere-Ocean 45(4):173-193

Technical reports and science meetings

J R Christian, O Riche 2013 Projections for the open Gulf of Alaska in Christian, J.R. and M.G.G. Foreman, eds., Climate Trends and Projections for the Pacific Large Aquatic Basin. Canadian Technical Reports of Fisheries and Aquatic Sciences 3032
O Riche and R Pawlowicz 2012. Estuarine Circulation and Nutrients Uptake Rate in the Strait of Georgia. Proceedings, Salish Sea Conference 2011.
R Pawlowicz, S E Allen, J F Dower, R F Lee, S Harris, M Halverson, O Riche, T J Bird 2004 STRATOGEM-- The Strait of Georgia Ecosystem Project. Proceedings, Puget Sound Action Team