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Effects of the 2006 El Niño on Tropospheric Ozone and Carbon Monoxide: Implications for Dynamics and Biomass Burning : Volume 9, Issue 13 (02/07/2009)

By Chandra, S.

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Book Id: WPLBN0003994901
Format Type: PDF Article :
File Size: Pages 11
Reproduction Date: 2015

Title: Effects of the 2006 El Niño on Tropospheric Ozone and Carbon Monoxide: Implications for Dynamics and Biomass Burning : Volume 9, Issue 13 (02/07/2009)  
Author: Chandra, S.
Volume: Vol. 9, Issue 13
Language: English
Subject: Science, Atmospheric, Chemistry
Collections: Periodicals: Journal and Magazine Collection (Contemporary), Copernicus GmbH
Historic
Publication Date:
2009
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

Citation

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Diehl, T. L., Ziemke, J. R., Duncan, B. N., Froidevaux, L., Livesey, N. J., & Chandra, S. (2009). Effects of the 2006 El Niño on Tropospheric Ozone and Carbon Monoxide: Implications for Dynamics and Biomass Burning : Volume 9, Issue 13 (02/07/2009). Retrieved from http://www.ebooklibrary.org/


Description
Description: Goddard Earth Sciences and Technology Center, University of Maryland Baltimore County, Baltimore, MD, USA. We have studied the effects of the 2006 El Niño on tropospheric O3 and CO at tropical and sub-tropical latitudes measured from the OMI and MLS instruments on the Aura satellite. The 2006 El Niño-induced drought caused forest fires (largely set to clear land) to burn out of control during October and November in the Indonesian region. The effects of these fires are clearly seen in the enhancement of CO concentration measured from the MLS instrument. We have used a global model of atmospheric chemistry and transport (GMI CTM) to quantify the relative importance of biomass burning and large scale transport in producing observed changes in tropospheric O3 and CO. The model results show that during October and November biomass burning and meteorological changes contributed almost equally to the observed increase in tropospheric O3 in the Indonesian region. The biomass component was 4–6 DU but it was limited to the Indonesian region where the fires were most intense. The dynamical component was 4–8 DU but it covered a much larger area in the Indian Ocean extending from South East Asia in the north to western Australia in the south. By December 2006, the effect of biomass burning was reduced to zero and the observed changes in tropospheric O3 were mostly due to dynamical effects. The model results show an increase of 2–3% in the global burden of tropospheric ozone. In comparison, the global burden of CO increased by 8–12%.

Summary
Effects of the 2006 El Niño on tropospheric ozone and carbon monoxide: implications for dynamics and biomass burning

Excerpt
Bloom, S. C., da Silva, A. M., Dee, D. P., et al.: The Goddard Earth Observation System Data Assimilation System, GEOS DAS Version 4.0.3: Documentation and Validation, NASA TM-2005-104606 V26, 2005.; Chandra, S., Ziemke, J. R., Min, W., and Read, W. G.: Effects of 1997-1998 El Niño on tropospheric ozone and water vapor, Geophys. Res. Lett., 25, 3867–3870, 1998.; Chandra, S., Ziemke, J. R., Bhartia, P. K., et al.: Tropical tropospheric ozone: Implications for dynamics and biomass burning, J. Geophys. Res., 107(D14), 4188, doi:10.1029/2001JD000447, 2002.; Chandra, S., Ziemke, J. R., and Martin, R. V.: Tropospheric ozone at tropical and middle latitudes derived from TOMS/MLS residual: Comparison with a global model, J. Geophys. Res., 108(D9), 4291, doi:10.1029/2002JD002912, 2003.; Chandra, S., Ziemke, J. R., Schoeberl, M. R., et al.: Effects of the 2004 El Niño on tropospheric ozone and water vapor, Geophys. Res. Lett., 34, L06802, doi:10.1029/2006GL028779, 2007.; Doherty, R. M., Stevenson, D. S., Johnson, C. E., et al.: Tropospheric ozone and El Niño-Southern Oscillation: Influence of atmospheric dynamics, biomass burning emissions, and future climate change, J. Geophys. Res., 111, D19304, doi:10.1029/2005JD006849, 2006.; Duncan, B. N., Martin, R. V., Staudt, A., et al.: Inter-annual and seasonal variability of biomass burning emissions constrained by satellite observations, J. Geophys. Res., 108, 4100, doi:10.1029/2002JD002378, 2003.; Duncan, B., Strahan, S. E., Yoshida, Y., Steenrod, S. D., and Livesey, N.: Model Study of the Cross-Tropopause Transport of Biomass Burning Pollution, Atmos. Chem. Phys., 7, 3713–3736, 2007.; Duncan, B. N., West, J. J., Yoshida, Y., Fiore, A. M., and Ziemke, J. R.: The influence of European pollution on ozone in the Near East and northern Africa, Atmos. Chem. Phys., 8, 2267–2283, 2008.; Fishman, J., Creilson, J. K., Wozniak, A. E., et al.: Interannual variability of stratospheric and tropospheric ozone determined from satellite measurements, J. Geophys. Res., 110, D20306, doi:10.1029/2005JD005868, 2005.; Froidevaux, L., Jiang, Y. B., Lambert, A., et al.: Validation of Aura Microwave Limb Sounder stratospheric ozone measurements, J. Geophys. Res., 113(D15), D15S20, doi:10.1029/2007JD008771, 2008.; Fujiwara, M., Kita, K., Kawakami, S., et al.: Tropospheric ozone enhancements during the Indonesian forest fire events in 1994 and in 1997 as revealed by ground-based observations, Geophys. Res. Lett., 26, 2417–2420, 1999.; Guenther, A., Karl, T., Harley, P., et al.: Estimates of global terrestrial isoprene emissions using MEGAN (Model of Emissions of Gases and Aerosols from Nature), Atmos. Chem. Phys., 6, 3181–3210, 2006.; Jacobson, M.: Computaton of global photochemistry with SMVGEAR II, Atmos. Environ., 29, 3541–2546, 1995.; Kroon, M., Petropavlovskikh, I., Shetter, R. E., Hall, S., Ullmann, K., Veefkind, J. P., McPeters, R. D., Browell, E. V., and Levelt, P.: OMI Total Ozone Column Validation with Aura-AVE CAFS Observations, J. Geophys. Res., 113(D16), D15S13, doi:10.1029/2007JD008795, 2008a.; Kroon, M., Veefkind, J. P., Sneep, M., McPeters, R. D., Bhartia, P. K., and Levelt, P.: Comparing OMI-TOMS and OMI-DOAS total ozone column data, J. Geophys. Res., 113(D16), D16S28, doi:10.1029/2007JD008798, 2008b.; Levelt, P. F., Hilsenrath, E., Leppelmeier, G. W., et al.: Science objectives of the Ozone Monitoring Instrument, IEEE Geosci. Remote S., 44(5), 1199–1208, 2006.; Livesey, N. J., Filipiak, M. J., Froidevaux, L., et al.: Validation of Aura Microwave Limb Sounder O-3 and CO observations in the upper troposphere and lower stratosphere, J. Geophys. Res., 113(D15), D15S02, doi:10.1029/2007JD008805, 2008.; Logan, J. A., Megretskaia, I., Nassar, R., et al.: Effects of the 2006 El Niño on tropospheric composition as revealed by data from the Tropospheric Emission Spectrometer (TES), Geophys. Res. Lett., 35, L03816, doi:10.1020/2007GL031698, 2008.; Martin, R.V., Jacob, D. J., Logan, J. A., et al.: Interpretat

 

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