Dr. Ray Nassar Profile

Dr. Ray Nassar

Research Scientist - Greenhouse Gases at Environment Canada

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Author

Publications (5)

Proceedings Article | 20 November 2024 Paper

GHG measurements using an imaging FTS on a stratospheric balloon: a tech demo for the Arctic observing mission

Shen-En Qian, Stephane Routhier, Tongxi Wu, Denis Dufour, Stéphane Lantagne, Frédéric Grandmont, Doug Degenstein, Alexis Bourassa, Adam Bourassa, Daniel Zawada, Nicholas Lloyd, Paul Loewen, Jeff Langille, Ray Nassar, Chris Sioris, Joseph Mendonca

Proceedings Volume 13193, 1319309 (2024) https://doi.org/10.1117/12.3030957

KEYWORDS: Equipment, Balloons, Calibration, Fourier transforms, Prototyping, Interferometers, Data acquisition, Cameras, Spectroscopy

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Proceedings Article | 19 November 2012 Paper

PCW/PHEOS-WCA: quasi-geostationary Arctic measurements for weather, climate, and air quality from highly eccentric orbits

Richard Lachance, John McConnell, C. Tom McElroy, Norm O'Neill, Ray Nassar, Henry Buijs, Peyman Rahnama, Kaley Walker, Randall Martin, Chris Sioris, Louis Garand, Alexander Trichtchenko, Martin Bergeron

Proceedings Volume 8533, 85330O (2012) https://doi.org/10.1117/12.974795

KEYWORDS: Fourier transforms, Ultraviolet radiation, Aerosols, Carbon dioxide, Environmental sensing, Satellites, Imaging systems, Near infrared, Climatology, Spatial resolution

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Proceedings Article | 14 December 2004 Paper

Atmospheric chemistry experiment (ACE): mission overview and early results

Christopher Boone, Kaley Walker, Sean McLeod, Ray Nassar, Peter Bernath

Proceedings Volume 5584, (2004) https://doi.org/10.1117/12.579945

KEYWORDS: Ozone, Satellites, Fourier transforms, Atmospheric modeling, Atmospheric chemistry, Imaging systems, Atmospheric particles, Stratosphere, Sun, Data modeling

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Proceedings Article | 26 October 2004 Paper

SciSat-1 retrieval results

Chris Boone, Ray Nassar, Sean McLeod, Kaley Walker, Peter Bernath

Proceedings Volume 5542, (2004) https://doi.org/10.1117/12.559620

KEYWORDS: Satellites, Fourier transforms, Atmospheric chemistry, Molecules, Modulation, Carbon dioxide, Earth's atmosphere, Ozone, Chemistry, Spectroscopy

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Proceedings Article | 10 November 2003 Paper

SciSat-1: retrieval algorithms, ACE-FTS testing, and the ACE database

Ray Nassar, Christopher Boone, Kaley Walker, Sean McLeod, Peter Bernath

Proceedings Volume 5151, (2003) https://doi.org/10.1117/12.504639

KEYWORDS: Fourier transforms, Sensors, Databases, Signal to noise ratio, Atmospheric modeling, Data modeling, Imaging systems, Molecules, Satellites, Temperature metrology

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