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Atmosphere 2011, 2(4), 633-654; doi:10.3390/atmos2040633
Article

Emission Ratios for Ammonia and Formic Acid and Observations of Peroxy Acetyl Nitrate (PAN) and Ethylene in Biomass Burning Smoke as Seen by the Tropospheric Emission Spectrometer (TES)

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Received: 26 August 2011; in revised form: 22 October 2011 / Accepted: 1 November 2011 / Published: 9 November 2011
(This article belongs to the Special Issue Biomass Emissions)
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Abstract: We use the Tropospheric Emission Spectrometer (TES) aboard the NASA Aura satellite to determine the concentrations of the trace gases ammonia (NH3) and formic acid (HCOOH) within boreal biomass burning plumes, and present the first detection of peroxy acetyl nitrate (PAN) and ethylene (C2H4) by TES. We focus on two fresh Canadian plumes observed by TES in the summer of 2008 as part of the Arctic Research of the Composition of the Troposphere from Aircraft and Satellites (ARCTAS-B) campaign. We use TES retrievals of NH3 and HCOOH within the smoke plumes to calculate their emission ratios (1.0% ± 0.5% and 0.31% ± 0.21%, respectively) relative to CO for these Canadian fires. The TES derived emission ratios for these gases agree well with previous aircraft and satellite estimates, and can complement ground-based studies that have greater surface sensitivity. We find that TES observes PAN mixing ratios of ~2 ppb within these mid-tropospheric boreal biomass burning plumes when the average cloud optical depth is low ( < 0.1) and that TES can detect C2H4 mixing ratios of ~2 ppb in fresh biomass burning smoke plumes.
Keywords: biomass burning; satellite; TES; formic acid; ammonia; PAN; ethylene biomass burning; satellite; TES; formic acid; ammonia; PAN; ethylene
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Alvarado, M.J.; Cady-Pereira, K.E.; Xiao, Y.; Millet, D.B.; Payne, V.H. Emission Ratios for Ammonia and Formic Acid and Observations of Peroxy Acetyl Nitrate (PAN) and Ethylene in Biomass Burning Smoke as Seen by the Tropospheric Emission Spectrometer (TES). Atmosphere 2011, 2, 633-654.

AMA Style

Alvarado MJ, Cady-Pereira KE, Xiao Y, Millet DB, Payne VH. Emission Ratios for Ammonia and Formic Acid and Observations of Peroxy Acetyl Nitrate (PAN) and Ethylene in Biomass Burning Smoke as Seen by the Tropospheric Emission Spectrometer (TES). Atmosphere. 2011; 2(4):633-654.

Chicago/Turabian Style

Alvarado, Matthew J.; Cady-Pereira, Karen E.; Xiao, Yaping; Millet, Dylan B.; Payne, Vivienne H. 2011. "Emission Ratios for Ammonia and Formic Acid and Observations of Peroxy Acetyl Nitrate (PAN) and Ethylene in Biomass Burning Smoke as Seen by the Tropospheric Emission Spectrometer (TES)." Atmosphere 2, no. 4: 633-654.


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