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Measurements of Pollution in the Troposphere (Mopitt) Validation Through 2006 : Volume 8, Issue 5 (15/10/2008)

By Emmons, L. K.

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Book Id: WPLBN0003998327
Format Type: PDF Article :
File Size: Pages 19
Reproduction Date: 2015

Title: Measurements of Pollution in the Troposphere (Mopitt) Validation Through 2006 : Volume 8, Issue 5 (15/10/2008)  
Author: Emmons, L. K.
Volume: Vol. 8, Issue 5
Language: English
Subject: Science, Atmospheric, Chemistry
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Historic
Publication Date:
2008
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

Citation

APA MLA Chicago

Novelli, P., Campos, T., Emmons, L. K., Deeter, M. N., Edwards, D. P., Gille, J. C.,...Nédélec, P. (2008). Measurements of Pollution in the Troposphere (Mopitt) Validation Through 2006 : Volume 8, Issue 5 (15/10/2008). Retrieved from http://community.ebooklibrary.org/


Description
Description: National Center for Atmospheric Research, Boulder, CO, USA. Comparisons of aircraft measurements of carbon monoxide (CO) to the retrievals of CO using observations from the Measurements of Pollution in The Troposphere (MOPITT) instrument onboard the Terra satellite are presented. Observations made as part of the NASA INTEX-B and NSF MIRAGE field campaigns during March–May 2006 are used to validate the MOPITT CO retrievals, along with routine samples from 2001 through 2006 from NOAA and the MOZAIC measurements from commercial aircraft. A significant positive bias, around 20% for total column CO, in MOPITT CO was found in the comparison to in situ measurements during 2006. Comparisons to the long-term records of measurements from NOAA and MOZAIC revealed an increasing bias in the V3 MOPITT CO retrievals over time. Possible causes for the drift have been investigated and should be significantly reduced in the next version (V4) of MOPITT retrievals.

Summary
Measurements of Pollution In The Troposphere (MOPITT) validation through 2006

Excerpt
Deeter, M. N., Emmons, L. K., Francis, G. L., et al.: Operational carbon monoxide retrieval algorithm and selected results for the MOPITT instrument, J. Geophys. Res., 108, 4399, doi:10.1029/2002JD003186, 2003.; Deeter, M. N., Emmons, L. K., Edwards, D. P., Gille, J. C., and Drummond, J. R.: Vertical resolution and information content of CO profiles retrieved by MOPITT, Geophys. Res. Lett., 31, L15112, doi:10.1029/2004GL020235, 2004.; Deeter, M. N., Edwards, D. P., and Gille, J. C.: Retrievals of carbon monoxide profiles from MOPITT observations using lognormal a priori statistics, J. Geophys. Res., 112, D11311, doi:10.1029/2006JD007999, 2007.; Drummond, J. R. and Mand, G. S.: The Measurements of Pollution in the Troposphere (MOPITT) instrument: Overall performance and calibration requirements, J. Atmos. Ocean. Techn., 13, 314–320, 1996.; Emmons, L. K., Deeter, M. N., Gille, J. C., et al.: Validation of Measurements of Pollution in the Troposphere (MOPITT) CO retrievals with aircraft in situ profiles, J. Geophys. Res., 109 (D3), D03309, doi:10.1029/2003JD004101, 2004.; Emmons, L. K., Pfister, G. G., Edwards, D. P., Gille, J. C., Sachse, G., Blake, D., Wofsy, S., Gerbig, C., Matross, D., and Nédélec, P.: Measurements of Pollution in the Troposphere (MOPITT) validation exercises during summer 2004 field campaigns over North America, J. Geophys. Res., 112, D12S02, doi:10.1029/2006JD007833, 2007.; Gerbig, C., Schmitgen, S., Kley, D., Volz-Thomas, A., Dewey, K., and Haaks, D.: An improved fast-response vacuum-UV resonance fluorescence CO instrument, J. Geophys. Res., 104, 1699–1704, 1999.; Nédélec, P., Cammas, J.-P., Thouret, V., et al.: An improved carbon monoxide analyser for routine measurements aboard commercial Airbus aircraft: Technical validation and first scientific results of the MOZAIC III programme, Atmos. Chem. Phys., 3, 1551–1564, 2003.; Novelli, P. C., Masarie, K. A., and Lang, P. M.: Distributions and recent changes in carbon monoxide in the lower troposphere, J. Geophys. Res., 103, 19 015–19 033, 1998.; Novelli, P. C., Masarie, K. A., Lang, P. M., Hall, B. D., Myers, R. C., and Elkins, J. W.: Re-analysis of tropospheric CO trends: Effects of the 1997–1998 wildfires, J. Geophys. Res., 108, 4464, doi:10.1029/2002JD003031, 2003.; Sachse, G. W., Hill, G. F., Wade, L. O., and Perry, M. G.: Fast-response, high-precision carbon monoxide sensor using a tunable diode laser absorption technique, J. Geophys. Res., 92, 2071–2081, 1987.

 

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