Search Results - "Rochon, Yves J."

Ozone correlation lengths and measurement uncertainties from analysis of historical ozonesonde data in North America and Europe by Liu, Guiping, Tarasick, David W., Fioletov, Vitali E., Sioris, Christopher E., Rochon, Yves J.

“…A spatial and temporal correlation analysis is performed on the WOUDC (World Ozone and Ultraviolet Radiation Data Centre) ozonesonde data from 13 midlatitude…”
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Impact of data assimilation filtering methods on the mesosphere by Sankey, David, Ren, Shuzhan, Polavarapu, Saroja, Rochon, Yves J., Nezlin, Yulia, Beagley, Stephen

“…Three‐dimensional data assimilation schemes typically produce analyses that are not in balance. This is evidenced by the generation of spurious high‐frequency…”
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A study on harmonizing total ozone assimilation with multiple sensors by Rochon, Yves J, Sitwell, Michael, Cho, Young-Min

“…Bias estimations and corrections of total column measurements are applied and evaluated with ozone data from satellite instruments providing near-real-time…”
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The impact of gravity wave drag on mesospheric analyses of the 2006 stratospheric major warming by Ren, Shuzhan, Polavarapu, Saroja, Beagley, Stephen R., Nezlin, Yulia, Rochon, Yves J.

“…The 2006 Arctic stratospheric sudden warming was an unusual event in which the stratopause disappeared after the peak of the warming, only to reform at very…”
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Assimilation of Infrared Radiances in the Context of Observing System Simulation Experiments by Heilliette, Sylvain, Rochon, Yves J., Garand, Louis, Kaminski, Jacek W.

“…The Observing System Simulation Experiment (OSSE) capability developed at Environment Canada allows simulation of all observation types currently used…”
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Optimizing UV Index determination from broadband irradiances by Tereszchuk, Keith A, Rochon, Yves J, McLinden, Chris A, Vaillancourt, Paul A

“…A study was undertaken to improve upon the prognosticative capability of Environment and Climate Change Canada's (ECCC) UV Index forecast model. An aspect of…”
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A new method of assessing filtering schemes in data assimilation systems by Nezlin, Yulia, Polavarapu, Saroja, Rochon, Yves J.

“…A new statistical diagnostic is proposed to assess the impact of externally applied filters in data assimilation systems with high‐lid atmospheric models. The…”
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Evidence of vertical transport of carbon monoxide from Measurements of Pollution in the Troposphere (MOPITT) by Kar, Jayanta, Bremer, Holger, Drummond, James R., Rochon, Yves J., Jones, Dylan B. A., Nichitiu, Florian, Zou, Jason, Liu, Jane, Gille, John C., Edwards, David P., Deeter, Merritt N., Francis, Gene, Ziskin, Dan, Warner, Juying

“…Vertical profiles of carbon monoxide (CO) mixing ratio retrieved from MOPITT measurements have been analyzed. We find that variations in the vertical structure…”
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Jacobian mapping between vertical coordinate systems in data assimilation by Rochon, Y. J., Garand, L., Turner, D. S., Polavarapu, S.

“…Radiances measured by remote‐sensing instruments are now the largest component of the atmospheric observation network. The assimilation of radiances from nadir…”
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Evidence of vertical transport of carbon monoxide from Measurements of Pollution in the Troposphere (MOPITT) by KAR, Jayanta, BREMER, Holger, DEETER, Merritt N, FRANCIS, Gene, ZISKIN, Dan, WARNER, Juying, DRUMMOND, James R, ROCHON, Yves J, JONES, Dylan B. A, NICHITIU, Florian, ZOU, Jason, LIU, Jane, GILLE, John C, EDWARDS, David P

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