{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,23]],"date-time":"2025-10-23T04:57:58Z","timestamp":1761195478466},"reference-count":28,"publisher":"American Geophysical Union (AGU)","issue":"D19","license":[{"start":{"date-parts":[[1996,10,1]],"date-time":"1996-10-01T00:00:00Z","timestamp":844128000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J. Geophys. Res."],"published-print":{"date-parts":[[1996,10,30]]},"abstract":"<jats:p>Results are reported from an airborne campaign to investigate the impacts of burning biomass upon the loading of lower\u2010tropospheric aerosols and its composition over the Brazilian tropics. The flights, conducted as part of the NASA\/Transport and Atmospheric Chemistry Near the Equator\u2010Atlantic (TRACE A) mission, started on September 1, 1992, when the dry (fire) season still prevailed in the central part of Brazil, and ended on September 29. Of the total number of burnings detected in Brazil by the advanced very high resolution radiometer (AVHRR)\/NOAA satellite sensor, 74% were concentrated in the states of Amazonas, Maranh\u00e3o, Mato Grosso, Par\u00e1, Roraima, and Tocantins during this period. Aerosol particles were sampled from a twin\u2010engine aircraft in transit and vertical profile flights were made up to 4,000 m altitude. Black carbon measurements made in real time and in areas of burning biomass peaked at \u223c2,500 m above the ground, increasing to \u223c12,000 ng\/m<jats:sup>3<\/jats:sup>. In other areas these values were lower by 1 order of magnitude. A condensation nuclei counter measuring small particles (&gt;0.014 \u03bcm) produced values ranging from 2,000 to 16,000\/cm<jats:sup>3<\/jats:sup>for areas with low and high burning biomass, respectively. Deposition filters in a two\u2010stage cascade impactor, and Nuclepore filters collected aerosols for analysis of 13 elements through particle\u2010induced X ray emissions (PIXE). Primary elements associated with soil dust (Al, Si, Mn, Fe, Ni) prevailed in the aerosol coarse mode (&gt;1 \u03bcm) while the fine mode aerosols were enriched in S, K, Br, and Rb, which are tracers normally associated with burning of biomass. The good correlation between fire spot counts, obtained via AVHRR aboard NOAA satellites, and black carbon, counts of small particles and total aerosol mass, suggests the determining of local concentrations of fire\u2010derived aerosol fire emissions by satellite to be a new and useful approach.<\/jats:p>","DOI":"10.1029\/96jd00098","type":"journal-article","created":{"date-parts":[[2004,2,4]],"date-time":"2004-02-04T01:54:06Z","timestamp":1075859646000},"page":"23983-23992","source":"Crossref","is-referenced-by-count":42,"title":["Airborne measurements of aerosols from burning biomass in Brazil related to the TRACE A experiment"],"prefix":"10.1029","volume":"101","author":[{"given":"E. B.","family":"Pereira","sequence":"first","affiliation":[]},{"given":"A. W.","family":"Setzer","sequence":"additional","affiliation":[]},{"given":"F.","family":"Gerab","sequence":"additional","affiliation":[]},{"given":"P. E.","family":"Artaxo","sequence":"additional","affiliation":[]},{"given":"M. C.","family":"Pereira","sequence":"additional","affiliation":[]},{"given":"G.","family":"Monroe","sequence":"additional","affiliation":[]}],"member":"13","published-online":{"date-parts":[[1996,10]]},"reference":[{"key":"e_1_2_1_2_1","doi-asserted-by":"publisher","DOI":"10.1029\/96JD00717"},{"key":"e_1_2_1_3_1","doi-asserted-by":"publisher","DOI":"10.1126\/science.220.4602.1148"},{"key":"e_1_2_1_4_1","doi-asserted-by":"publisher","DOI":"10.1029\/JD093iD02p01509"},{"key":"e_1_2_1_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/0168-583X(87)90339-9"},{"key":"e_1_2_1_6_1","doi-asserted-by":"publisher","DOI":"10.1029\/JD093iD02p01605"},{"key":"e_1_2_1_7_1","doi-asserted-by":"publisher","DOI":"10.1029\/JD095iD10p16971"},{"key":"e_1_2_1_8_1","first-page":"139","volume-title":"Fire in the Environment: The Ecological, Atmospheric, and Climatic Importance of Vegetation Fires","author":"Artaxo P.","year":"1993"},{"key":"e_1_2_1_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/0168-583X(93)95658-R"},{"key":"e_1_2_1_10_1","doi-asserted-by":"publisher","DOI":"10.1029\/94JD01023"},{"key":"e_1_2_1_11_1","doi-asserted-by":"publisher","DOI":"10.1016\/0048-9697(84)90255-9"},{"key":"e_1_2_1_12_1","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-642-75395-4_6"},{"key":"e_1_2_1_13_1","doi-asserted-by":"publisher","DOI":"10.1126\/science.250.4988.1669"},{"key":"e_1_2_1_14_1","doi-asserted-by":"crossref","first-page":"92","DOI":"10.7551\/mitpress\/3286.003.0014","volume-title":"Global Biomass Burning","author":"Fearnside P. M.","year":"1991"},{"key":"e_1_2_1_15_1","doi-asserted-by":"publisher","DOI":"10.1016\/0960-1686(91)90070-N"},{"key":"e_1_2_1_16_1","doi-asserted-by":"publisher","DOI":"10.1029\/96JD00123"},{"key":"e_1_2_1_17_1","doi-asserted-by":"publisher","DOI":"10.1029\/96JD01114"},{"key":"e_1_2_1_18_1","doi-asserted-by":"publisher","DOI":"10.1029\/92JD00275"},{"key":"e_1_2_1_19_1","doi-asserted-by":"publisher","DOI":"10.1029\/90EO00289"},{"key":"e_1_2_1_20_1","doi-asserted-by":"publisher","DOI":"10.1016\/0004-6981(84)90027-1"},{"key":"e_1_2_1_21_1","doi-asserted-by":"publisher","DOI":"10.1080\/01431169308904358"},{"key":"e_1_2_1_22_1","doi-asserted-by":"crossref","first-page":"431","DOI":"10.7551\/mitpress\/3286.003.0061","volume-title":"Global Biomass Burning","author":"Rogers C. F.","year":"1991"},{"key":"e_1_2_1_23_1","first-page":"19","article-title":"Amazonia Biomass Burning in 1987 and an estimate of their tropospheric emissions","volume":"20","author":"Setzer A. W.","year":"1991","journal-title":"Ambio"},{"key":"e_1_2_1_24_1","unstructured":"Setzer A. W. M. C.Pereira Operational detection of fires in Brazil with NOAA\/AVHRR Proc. Int. Symp. Remote Sens. Environ 469\u2013482 Rio de Janeiro RJ27\u201331 May 1991b."},{"key":"e_1_2_1_25_1","first-page":"112","volume-title":"Global Biomass Burning","author":"Setzer A. 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