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Brief CV
University of Toronto, M.Sc. Physics (2003)
University of British Columbia, B.Sc. Physics, Co-op Option (1996 - 2001)
University of Toronto, Department of Physics, Research Assistant (2002)
Nortel Networks, Advanced Optical Devices, Ottawa ON (2000)
National Research Council, Ottawa ON (2000)
Cominco Engineering Services Ltd., Richmond BC (1999)
Research Interests
The focus of my research involves the analysis of data collected through MANTRA stratospheric balloon campaigns by emission radiometer instruments, and the retrieval of stratospheric nitric acid profiles. The retrieval procedure involves the construction of a forward model of both the instrument and the atmosphere, and implements a non-linear least-squares optimization algorithm. Measurement of nitric acid is an important and challenging venture for those interested in the chemical state of the atmosphere, as it plays an important role in stratospheric ozone depletion mechanisms, polar stratospheric cloud formation, and is highly sensitive to atmospheric aerosol levels.
I have also been investigating the variability of stratospheric trace gas species through analysis of satellite data from instruments such as the ACE-FTS, MLS/AURA and OSIRIS.
My research is made possible by the supervision and guidance of Professor Kim Strong, within the Atmospheric Physics Group at the University of Toronto's Department of Physics.
Selected Publications
Quine, Brendan, Matthew Toohey, James R. Drummond, Kimberly Strong, Debra Wunch, Clive Midwinter, C. Thomas McElroy (2005). The Concentration Profile of Nitric Acid and Other Species over Saskatchewan in August 1998: Retrieval from Data Recorded by Thermal-Emission Radiometry. Atmosphere-Ocean.
Tolton, B., Toohey, M., Plouffe, D., Benoit, P., Yurganov, L. (2001). A Concept for the Remote Sounding Measurement of the Atmospheric Carbon Dioxide Column from Space. Proceedings of the SPIE International Symposium on Optical Science and Technology. San Diego CA. August 2001.
Selected Conference Presentations
M. Toohey, K. Strong, K. Semeniuk, T. G. Shepherd. Ozone variability and its vertical structure: the CMAM and observations. Oral Presentation at the 13th Annual MAM/GCC Workshop, 12 December 2005, Toronto.
M. Toohey, K. Strong, B. M. Quine, T. G. Shepherd, K. Semeniuk, P. F. Bernath, C.D. Boone, K. A. Walker. The vertical structure of ozone variability, as measured by MLS/AURA and ACE and modeled by the CMAM. Oral Presentation at the AURA Science Meeting, 8-10 November 2005, The Hauge, The Netherlands.
M. Toohey, K. Strong, B. M. Quine, T. G. Shepherd, C. McLandress, P. F. Bernath, C.D. Boone, K. A. Walker. Statistical comparisons of chemical profiles measured by the ACE-FTS and modeled by the CMAM. Oral Presentation at the ASSFTS Workshop, 19 May 2005, Quebec City, Quebec.
M. Toohey, B.M. Quine, K. Strong, D. Wunch, C.T. McElroy, C. Midwinter, J.R. Drummond, J. Davies, P. Fogal, J. Olson and the MANTRA Science Team. Retrieval of Trace Gas Profiles from Low-Resolution Emission Radiometers Flown on Four MANTRA Balloon Missions. Oral Presentation at the AGU Fall Meeting, 17 December 2004, San Francisco California.
M. Toohey, B.M. Quine, K. Strong, J.R. Drummond, D. Wunch, C. Midwinter, C.T. McElroy, J. Davies, P. Fogal, J. Olson, and the MANTRA 2002 Science Team. Retrieval of Trace Gas Profiles from a Low-Resolution Emission Radiometer Flown on the MANTRA 2002 Balloon Mission. Poster presentation at the EGS-AGU-EUG Joint Assembly, Nice, France, April 6-11, 2003. Geophysical Research Abstracts, Volume 5, 2003.
M. Toohey, B.M. Quine, K. Strong, D. Wunch, J. Davies, P. Fogal, J. Olson, C. McLandress, T. Shepherd, and the MANTRA 1998, 2000, and 2002 Science Teams. Retrieval of Nitric Acid Profiles from Low-Resolution Emission Radiometers Flown on Three MANTRA Balloon Missions. Oral presentation to the 37th Congress of the Canadian Meteorological and Oceanographic Society, Ottawa, ON, Canada, June 2-5, 2003.
S.M.L. Melo, D. Barclay, K. Strong, M. Toohey, S. Mabury, and N. Stock. First Laboratory Measurement of the Infrared Absorption Cross Section of a New Atmospheric Greenhouse Gas. Poster presentation at the Optical Society of America Topical Meeting on Fourier Transform Spectroscopy, Quebec City, PQ, Canada, February 3-6, 2003. In Fourier Transform Spectroscopy, OSA Technical Digest, Optical Society of America, Washington, D.C., pp. 59-61, 2003.
Matt Toohey
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