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Characterization of Wildfire NoX Emissions Using Modis Fire Radiative Power and Omi Tropospheric No2 Columns : Volume 11, Issue 2 (11/02/2011)

By Mebust, A. K.

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Book Id: WPLBN0003995900
Format Type: PDF Article :
File Size: Pages 28
Reproduction Date: 2015

Title: Characterization of Wildfire NoX Emissions Using Modis Fire Radiative Power and Omi Tropospheric No2 Columns : Volume 11, Issue 2 (11/02/2011)  
Author: Mebust, A. K.
Volume: Vol. 11, Issue 2
Language: English
Subject: Science, Atmospheric, Chemistry
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Historic
Publication Date:
2011
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

Citation

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Hudman, R. C., Cohen, R. C., Mebust, A. K., Valin, L. C., & Russell, A. R. (2011). Characterization of Wildfire NoX Emissions Using Modis Fire Radiative Power and Omi Tropospheric No2 Columns : Volume 11, Issue 2 (11/02/2011). Retrieved from http://www.ebooklibrary.org/


Description
Description: Dept. of Chemistry, University of California at Berkeley, Berkeley, California, USA. We use observations of fire radiative power (FRP) from the Moderate Resolution Imaging Spectroradiometer (MODIS) and tropospheric NO2 column measurements from the Ozone Monitoring Instrument (OMI) to derive NO2 wildfire emission coefficients (g MJ−1) for three land types over California and Nevada. Retrieved emission coefficients were 0.279 ± 0.077, 0.342 ± 0.053, and 0.696 ± 0.088 g MJ−1 NO2 for forest, grass and shrub fuels, respectively. These emission coefficients reproduce ratios of emissions with fuel type reported previously using independent methods. However, the magnitude of these coefficients is lower than prior estimates, which suggests either a negative bias in the OMI NO2 retrieval over regions of active emissions, or that the average fire observed in our study has a smaller ratio of flaming to smoldering combustion than measurements used in prior estimates of emissions. Our results indicate that satellite data can provide an extensive characterization of the variability in fire NOx emissions; 67% of the variability in emissions in this region can be accounted for using an FRP-based parameterization.

Summary
Characterization of wildfire NOx emissions using MODIS fire radiative power and OMI tropospheric NO2 columns

Excerpt
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