edu.ucar.opensky::articles:26641 UCAR/NCAR - Library OpenSky Support PO Box 3000 Boulder CO 80307-3000 opensky@ucar.edu http://opensky.ucar.edu/ homepage pointOfContact 2025-12-24T19:23:33.254446 ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data ISO 19115-2:2009(E) https://n2t.org/ark:/85065/d7s75mdd https://doi.org/10.5281/zenodo.8276726 https Related Software #1 ktravis213/FIREX-AQ-Agricultural-Emission-Factors: Code for Travis et al., 2023 (JGR) Emission factors for crop residue and prescribed fires in the Eastern US during FIREX-AQ 2023-09-27T00:00:00Z publication https://n2t.org/ark:/85065/d7s75mdd https://doi.org/10.1029/2023JD039309 Travis, K. R. author Crawford, J. H. author Soja, A. J. author Gargulinski, E. M. author Moore, R. H. author Wiggins, E. B. author Diskin, G. S. author DiGangi, J. P. author Nowak, J. B. author Halliday, H. author Yokelson, R. J. author McCarty, J. L. author Simpson, I. J. author Blake, D. R. author Meinardi, S. author Hornbrook, Rebecca author Apel, Eric C. author Hills, Alan J. author Warneke, Carsten author Coggon, M. M. author Rollins, A. W. author Gilman, J. B. author Womack, C. C. author Robinson, M. A. author Katich, J. M. author Peischl, J. author Gkatzelis, G. I. author Bourgeois, I. author Rickly, P. S. author Lamplugh, A. author Dibb, J. E. author Jimenez, J. L. author Campuzano-Jost, P. author Day, D. A. author Guo, H. author Pagonis, D. author Wennberg, P. O. author Crounse, J. D. author Xu, L. author Hanisco, T. F. author Wolfe, G. M. author Liao, J. author St. Clair, J. M. author Nault, B. A. author Fried, A. author Perring, A. E. author UCAR/NCAR - Library publisher Agricultural and prescribed burning activities emit large amounts of trace gases and aerosols on regional to global scales. We present a compilation of emission factors (EFs) and emission ratios from the eastern portion of the Fire Influence on Regional to Global Environments and Air Quality (FIREX-AQ) campaign in 2019 in the United States, which sampled burning of crop residues and other prescribed fire fuels. FIREX-AQ provided comprehensive chemical characterization of 53 crop residue and 22 prescribed fires. Crop residues burned at different modified combustion efficiencies (MCE), with corn residue burning at higher MCE than other fuel types. Prescribed fires burned at lower MCE (<0.90) which is typical, while grasslands burned at lower MCE (0.90) than normally observed due to moist, green, growing season fuels. Most non-methane volatile organic compounds (NMVOCs) were significantly anticorrelated with MCE except for ethanol and NMVOCs that were measured with less certainty. We identified 23 species where crop residue fires differed by more than 50% from prescribed fires at the same MCE. Crop residue EFs were greater for species related to agricultural chemical use and fuel composition as well as oxygenated NMVOCs possibly due to the presence of metals such as potassium. Prescribed EFs were greater for monoterpenes (5x). FIREX-AQ crop residue average EFs generally agreed with the previous agricultural fire study in the US but had large disagreements with global compilations. FIREX-AQ observations show the importance of regionally-specific and fuel-specific EFs as first steps to reduce uncertainty in modeling the air quality impacts of fire emissions. UCAR/NCAR - Library OpenSky Support PO Box 3000 Boulder CO 80307-3000 opensky@ucar.edu http://opensky.ucar.edu/ homepage pointOfContact PDF Text theme Resource Type 2016-01-01T00:00:00Z publication Copyright author(s). This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License. None eng geoscientificInformation