Desjardins, Raymond, Ph.D.

• Research Publications
• Other Science Related Publications

Contact Information:

960 Carling Avenue, Room 3020
Eastern Cereal and Oilseed Research Centre
K.W. Neatby Building
Ottawa, Ontario K1A 0C6
Telephone: 613-759-1522, cell: 613-601-1610
Fax: 613-759-1432
Email: ray.desjardins@agr.gc.ca

Areas of Expertise:

• Flux measurement of trace gases
• Aircraft-based flux measurements
• Turbulent exchange of energy and trace gases
• Micrometeorology
• Climate variability and climate change
• Greenhouse gas emissions and mitigation
• Soil carbon sequestration
• Quantifying methane and ammonia emissions from point sources
• Estimating greenhouse gas and ammonia emissions from whole farms

Current Projects:

• Quantifying and reducing net greenhouse gas (GHG), ammonia and particulate matter emissions from agricultural sources
• Remote sensing and crop modeling for climatic change impact assessments
• Maximizing the environmental benefits of the bioeconomy using agricultural feedstocks
• Development of a user friendly computer program to estimate on-farm greenhouse gas emissions and potential methods of reducing these emissions
• Development of an agroenvironmental indicator for GHGs

Affiliations:

• American Geophysical Union
• American Society of Agronomy
• American Meteorological Society
• Canadian Meteorological and Oceanographic Society
• Commission for Agricultural Meteorology of World Meteorological Organization (WMO)
• Methane to Markets
• Canadian Society of Agricultural Meteorology

Research Publications:

2013:

• Flesch, T.K., Vergé, X.P.C., Desjardins, R.L., and Worth, D.E. (2013). "Methane emissions from a swine manure tank in western Canada.", Canadian Journal of Animal Science, 93(1), pp. 159-169. doi : 10.4141/CJAS2012-072
• Shrestha, B.M, McConkey, B.G., Smith, W.N., Desjardins, R.L., Campbell, C.A., Grant, B.B., and Miller, P.R. (2013). "Effects of crop rotation, crop type and tillage on soil organic carbon in a semiarid climate.", Canadian Journal of Soil Science, 93(1), pp. 137-146. doi : 10.4141/CJSS2012-078

2012:

• Desjardins, R.L., Worth, D.E., Vergé, X.P.C., Maxime, D., Dyer, J.A., and Cerkowniak, D. (2012). "Carbon Footprint of Beef Cattle.", Sustainability, 4(12), pp. 3279-3301. doi : 10.3390/su4123279
• Karimi-Zindashty, Y., MacDonald, J.D., Desjardins, R.L., Worth, D.E., Hutchinson, J.J., and Vergé, X.P.C. (2012). "Sources of uncertainty in the IPCC Tier 2 Canadian livestock model.", Journal of Agricultural Science, 150(5), pp. 556-569. doi : 10.1017/s002185961100092x
• Kröbel, R., Campbell, C.A., Zentner, R.P., Lemke, R.L., Desjardins, R.L., and Karimi-Zindashty, Y. (2012). "Effect of N, P and cropping frequency on nitrogen use efficiencies of spring wheat in the Canadian semi-arid Prairie.", Canadian Journal of Plant Science, 92(1), pp. 141-154. doi : 10.4141/CJPS2011-067
• Kröbel, R., Campbell, C.A., Zentner, R.P., Lemke, R.L., Steppuhn, H., Desjardins, R.L., and DeJong, R. (2012). "Nitrogen and phosphorus effects on water use efficiency of spring wheat grown in a semi-arid region of the Canadian Prairies.", Canadian Journal of Soil Science, 92(4), pp. 573-587. doi : 10.4141/CJSS2011-055
• Shrestha, B.M, Raddatz, R., Desjardins, R.L., and Worth, D.E. (2012). "Continuous Cropping and Moist Deep Convection on the Canadian Prairies.", Atmosphere, 3(4), pp. 573-590. doi : 10.3390/atmos3040573
• Smith, W.N., Grant, B.B., Campbell, C.A., McConkey, B.G., Desjardins, R.L., Kröbel, R., and Malhi, S.S. (2012). "Crop residue removal effects on soil carbon: Measured and inter-model comparisons.", Agriculture, Ecosystems and Environment, 161, pp. 27-38. doi : 10.1016/j.agee.2012.07.024

2011:

• Bernier, P.Y., Desjardins, R.L., Karimi-Zindashty, Y., Worth, D.E., Beaudoin, A., Luo, Y., and Wang, S. (2011). "Boreal lichen woodlands: A possible negative feedback to climate change in eastern North America.", Agricultural and Forest Meteorology, 151(4), pp. 521-528. doi : 10.1016/j.agrformet.2010.12.013
• DeJong, R., Campbell, C.A., Zentner, R.P., Basnyat, P., Grant, B.B., and Desjardins, R.L. (2011). "Cropping frequency and N fertilizer effects on soil water distribution from spring to fall in the semiarid Canadian prairies.", Agricultural Sciences, 2(3), pp. 220-237. doi : 10.4236/as.2011.23031
• Dyer, J.A., Desjardins, R.L., Karimi-Zindashty, Y., and McConkey, B.G. (2011). "Comparing fossil CO₂ emissions from vegetable greenhouses in Canada with CO₂ emissions from importing vegetables from the southern USA.", Energy for Sustainable Development, 15(4), pp. 451-459. doi : 10.1016/j.esd.2011.08.004
• Dyer, J.A., Vergé, X.P.C., Kulshreshtha, S.N., Desjardins, R.L., and McConkey, B.G. (2011). "Areas and greenhouse gas emissions from feed crops not used in Canadian livestock production in 2001.", Journal of Sustainable Agriculture, 35(7), pp. 780-803. doi : 10.1080/10440046.2011.606493
• Flesch, T.K., Desjardins, R.L., and Worth, D.E. (2011). "Fugitive methane emissions from an agricultural biodigester.", Biomass and Bioenergy, 35(9), pp. 3927-3935. doi : 10.1016/j.biombioe.2011.06.009
• Gao, Z., Yuan, H., Ma, W., Desjardins, R.L., and Liu, X. (2011). "Methane emissions from a dairy feedlot during the fall and winter seasons in Northern China.", Environmental Pollution, 159(5), pp. 1183-1189. doi : 10.1016/j.envpol.2011.02.003
• Kröbel, R., Smith, W.N., Grant, B.B., Desjardins, R.L., Campbell, C.A., Tremblay, N., Li, C.S., Zentner, R.P., and McConkey, B.G. (2011). "Development and evaluation of a new Canadian spring wheat sub-model for DNDC.", Canadian Journal of Soil Science, 91(4), pp. 503-520. doi : 10.4141/cjss2010-059

2010:

• Cai, X.-H., Chen, J., and Desjardins, R.L. (2010). "Flux Footprints in the Convective Boundary Layer: Large-Eddy Simulation and Lagrangian Stochastic Modelling.", Boundary-Layer Meteorology, 137(1), pp. 31-47. doi : 10.1007/s10546-010-9519-7
• Desjardins, R.L., Pattey, E., Smith, W.N., Worth, D.E., Grant, B.B., Srinivasan, R., MacPherson, J.I., and Mauder, M.R. (2010). "Multiscale estimates of N₂O emissions from agricultural lands.", Agricultural and Forest Meteorology, 150(6), pp. 817-824. doi : 10.1016/j.agrformet.2009.09.001
• Dyer, J.A., Kulshreshtha, S.N., McConkey, B.G., and Desjardins, R.L. (2010). "An assessment of fossil fuel energy use and CO₂ emissions from farm field operations using a regional level crop and land use database for Canada.", Energy, 35(5), pp. 2261-2269. doi : 10.1016/j.energy.2010.02.013
• Dyer, J.A., Vergé, X.P.C., Desjardins, R.L., Worth, D.E., and McConkey, B.G. (2010). "The impact of increased biodiesel production on the greenhouse gas emissions from field crops in Canada.", Energy for Sustainable Development, 14(2), pp. 73-82. doi : 10.1016/j.esd.2010.03.001
• Dyer, J.A., Vergé, X.P.C., Desjardins, R.L., and Worth, D.E. (2010). "The protein-based GHG emission intensity for livestock products in Canada.", Journal of Sustainable Agriculture, 34(6), pp. 618-629. doi : 10.1080/10440046.2010.493376
• Gao, Z., Desjardins, R.L., and Flesch, T.K. (2010). "Assessment of the uncertainty of using an inverse dispersion technique to measure methane emissions from animals in a barn and in a small pen.", Atmospheric Environment, 44(26), pp. 3128-3134. doi : 10.1016/j.atmosenv.2010.05.032
• Mauder, M.R., Desjardins, R.L., Pattey, E., and Worth, D.E. (2010). "An Attempt to Close the Daytime Surface Energy Balance Using Spatially-Averaged Flux Measurements.", Boundary-Layer Meteorology, 136(2), pp. 175-191. doi : 10.1007/s10546-010-9497-9
• Smith, W.N., Grant, B.B., Desjardins, R.L., Worth, D.E., Li, C.S., Boles, S.H., and Huffman, E.C. (2010). "A tool to link agricultural activity data with the DNDC model to estimate GHG emission factors in Canada.", Agriculture, Ecosystems and Environment, 136(3-4), pp. 301-309. doi : 10.1016/j.agee.2009.12.008

2009:

• Dyer, J.A. and Desjardins, R.L. (2009). "A Review and Evaluation of Fossil Energy and Carbon Dioxide Emissions in Canadian Agriculture.", Journal of Sustainable Agriculture, 33(2), pp. 210-228. doi : 10.1080/10440040802660137
• Flesch, T.K., Harper, L.A., Desjardins, R.L., Gao, Z., and Crenna, B.P. (2009). "Multi-source emissions determination using an inverse-dispersion technique.", Boundary-Layer Meteorology, 132(1), pp. 11-30. doi : 10.1007/s10546-009-9387-1
• Gao, Z., Desjardins, R.L., and Flesch, T.K. (2009). "Comparison of a simplified micrometeorological mass difference technique and an inverse dispersion technique for estimating methane emissions from small area sources.", Agricultural and Forest Meteorology, 149(5), pp. 891-898. doi : 10.1016/j.agrformet.2008.11.005
• Gao, Z., Mauder, M.R., Desjardins, R.L., Flesch, T.K., and van Haarlem, R.P. (2009). "Assessment of the backward Lagrangian Stochastic dispersion technique for continuous measurements of CH₄ emissions.", Agricultural and Forest Meteorology, 149(9), pp. 1516-1523. doi : 10.1016/j.agrformet.2009.04.004
• Smith, W.N., Grant, B.B., Desjardins, R.L., Qian, B., Hutchinson, J.J., and Gameda, S.B. (2009). "Potential impact of climate change on carbon in agricultural soils in Canada, 2000-2099.", Climatic Change, 93(3-4), pp. 319-333. doi : 10.1007/s10584-008-9493-y
• Vergé, X.P.C., Dyer, J.A., Desjardins, R.L., and Worth, D.E. (2009). "Greenhouse gas emissions from the Canadian pork industry.", Livestock Science, 121(1), pp. 92-101. doi : 10.1016/j.livsci.2008.05.022
• Vergé, X.P.C., Dyer, J.A., Desjardins, R.L., and Worth, D.E. (2009). "Long-term trends in the greenhouse gas emissions from the Canadian poultry industry.", Journal of Applied Poultry Research (JAPR), 18(2), pp. 210-222. doi : 10.3382/japr.2008-00091

Other Science Related Publications:

2012:

• Pattey, E., Jégo, G., Liu, J., Desjardins, R.L., Worth, D.E., and Srinivasan, R. (2012). "Importance of spatially distributed rainfall for agriculture models - Regional crop biomass and yield predictions and other environmental applications.", 5th International Workshop for Global Precipitation Management Ground Validation, Toronto, ON, Canada, July 10-12, 2012. (Poster)
• Vergé, X.P.C., Worth, D.E., Desjardins, R.L., McConkey, B.G., and Dyer, J.A. (2012). "LCA of Animal Production.", in Boye, J.I. and Arcand, Y. (eds.) - Green Technologies in Food Production and Processing (Food Engineering Series), Springer, Chapter 5, pp. 83-115.

2011:

• Chang, K.-H., Warland, J.S., Bartlett, P., Voroney, P.R., Huffman, E.C., McConkey, B.G., and Desjardins, R.L. (2011). "Accounting carbon and GHGs in agriculture and forest ecosystems using process-based models.", 2011 ASA-CSSA-SSSA International Annual Meeting: Fundamental for life: soil, crop and environmental sciences, San Antonio, TX, USA, October 16-19, 2011.
• Kulshreshtha, S.N., McConkey, B.G., Liu, T.T., Dyer, J.A., Vergé, X.P.C., and Desjardins, R.L. (2011). "Biobased Economy – Sustainable Use of Agricultural Resources.", in dos Santos Bernardes, M.A. (ed.) - Environmental Impact of Biofuels, InTech, Open Access Publisher, Chapter 8.
• Pattey, E., Smith, W.N., Grant, B.B., and Desjardins, R.L. (2011). "Seasonal nitrous oxide emissions from cropland in eastern Canada measured using tunable diode laser flux gradients between 1996 and 2005 - Comparison with DNDC predictions.", European Geosciences Union (EGU) General Assembly 2011, Vienna, Austria, April 3-8, 2011, published in Geophysical Research Abstracts, Vol. 13, EGU2011-11461-1. (Presentation)
• Smith, W.N., Grant, B.B., Campbell, C.A., McConkey, B.G., Desjardins, R.L., Kröbel, R., and Malhi, S.S. (2011). "Analysis and inter-model comparisons of crop residue removal effects on soil carbon.", 2011 ASA-CSSA-SSSA International Annual Meeting: Fundamental for life: soil, crop and environmental sciences, San Antonio, TX, USA, October 16-19, 2011. (Poster)
• Smith, W.N., Grant, B.B., Desjardins, R.L., Qian, B., and McConkey, B.G. (2011). "Potential agricultural cropping strategies to adapt to climate variability and climate change in Canada.", International Conference on Current Knowledge of Climate Change Impacts on Agriculture and Forestry in Europe, Zámok Topoľčianky, Topoľčianky, Slovakia, May 3-6, 2011. (Presentation)

2010:

• McConkey, B.G., Cerkowniak, D., Smith, W.N., and Desjardins, R.L. (2010). "Soil organic carbon as a measure of sustainable crop production.", 8th Canadian Pulse Research Workshop, Calgary, AB, Canada, November 3-5, 2010.
• Smith, W.N., Grant, B.B., Desjardins, R.L., Worth, D.E., Li, C.S., Boles, S.H., Huffman, E.C., and Gameda, S.B. (2010). "A tool to link agricultural activity data with the DNDC model to estimate GHG emission factors in Canada [Agric. Ecosyst. Environ. (2010) 136 (3-4), pp. 301-309] (Erratum).", Agriculture, Ecosystems and Environment, 139(4), pp. 771.

2009:

• Smith, W.N., Desjardins, R.L., and Grant, B.B. (2009). "Some perspectives on agricultural GHG mitigation and adaptation strategies with respect to the impact of climate change/variability in vulnerable areas.", Bioforsk Fokus, 3(8), pp. 45. (Abstract)
• Smith, W.N., Desjardins, R.L., and Grant, B.B. (2009). "Some perspectives on agricultural GHG mitigation and adaptation strategies with respect to the impact of climate change/variability in vulnerable areas.", Időjárás (1905), 113(1-2), pp. 103-115.