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1. Identity statement
Reference TypeJournal Article
Sitemtc-m21c.sid.inpe.br
Holder Codeisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Identifier8JMKD3MGP3W34R/3TARRNE
Repositorysid.inpe.br/mtc-m21c/2019/05.17.13.32
Last Update2019:05.17.13.32.51 (UTC) simone
Metadata Repositorysid.inpe.br/mtc-m21c/2019/05.17.13.32.51
Metadata Last Update2021:01.02.03.44.13 (UTC) administrator
DOI10.5194/acp-19-5771-2019
ISSN1680-7316
1680-7324
Citation KeyDarbyshireMALFDOLSMJBHBALC:2019:VeDiBi
TitleThe vertical distribution of biomass burning pollution over tropical South America from aircraft in situ measurements during SAMBBA
Year2019
MonthMay
Access Date2024, May 19
Type of Workjournal article
Secondary TypePRE PI
Number of Files1
Size7921 KiB
2. Context
Author 1 Darbyshire, Eoghan
 2 Morgan, Willian T.
 3 Allan, James D.
 4 Liu, Dantong
 5 Flynn, Michael J.
 6 Dorsey, James R.
 7 O'Shea, Sebastian J.
 8 Lowe, Douglas
 9 Szpek, Kate
10 Marenco, Franco
11 Johnson, Ben T.
12 Bauguitte, Stephane
13 Haywood, Jim M.
14 Brito, Joel F.
15 Artaxo, Paulo
16 Longo, Karla Maria
17 Coe, Hugh
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ORCID 1 0000-0002-5119-7259
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 3 0000-0001-6492-4876
 4 0000-0002-3879-2280
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 8 0000-0002-1248-3594
 9 0000-0002-2073-586X
10 0000-0002-1833-1102
11 0000-0003-3334-9295
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14 0000-0002-4420-9442
15 0000-0001-7754-3036
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Affiliation 1 University of Manchester
 2 University of Manchester
 3 University of Manchester
 4 University of Manchester
 5 University of Manchester
 6 University of Manchester
 7 University of Manchester
 8 University of Manchester
 9 Met Office
10 Met Office
11 Met Office
12 , University of Cranfield
13 Met Office
14 Universidade de São Paulo (USP)
15 Universidade de São Paulo (USP)
16 Instituto Nacional de Pesquisas Espaciais (INPE)
17 University of Manchester
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16 karla.longo@inpe.br
17 hugh.coe@manchester.ac.uk
JournalAtmospheric Chemistry and Physics
Volume19
Number9
Pages5771-5790
Secondary MarkA1_MEDICINA_II A1_INTERDISCIPLINAR A1_GEOCIÊNCIAS A1_ENGENHARIAS_III A1_ENGENHARIAS_I A1_CIÊNCIAS_AMBIENTAIS A1_CIÊNCIAS_AGRÁRIAS_I A2_MATEMÁTICA_/_PROBABILIDADE_E_ESTATÍSTICA A2_ENGENHARIAS_II A2_ASTRONOMIA_/_FÍSICA
History (UTC)2019-05-17 13:32:51 :: simone -> administrator ::
2019-05-17 13:32:51 :: administrator -> simone :: 2019
2019-05-17 13:34:23 :: simone -> administrator :: 2019
2021-01-02 03:44:13 :: administrator -> simone :: 2019
3. Content and structure
Is the master or a copy?is the master
Content Stagecompleted
Transferable1
Content TypeExternal Contribution
Version Typepublisher
AbstractWe examine processes driving the vertical distribution of biomass burning pollution following an integrated analysis of over 200 pollutant and meteorological profiles measured in situ during the South AMerican Biomass Burning Analysis (SAMBBA) field experiment. This study will aid future work examining the impact of biomass burning on weather, climate and air quality.</p> During the dry season there were significant contrasts in the composition and vertical distribution of haze between western and eastern regions of tropical South America. Owing to an active or residual convective mixing layer, the aerosol abundance was similar from the surface to <span classCombining double low line"inline-formula">ĝ1/41.5</span> <span classCombining double low line"inline-formula">km</span> in the west and <span classCombining double low line"inline-formula">ĝ1/43</span> <span classCombining double low line"inline-formula">km</span> in the east. Black carbon mass loadings were double as much in the east (1.7 <span classCombining double low line"inline-formula">μg mĝ'3</span>) than the west (0.85 <span classCombining double low line"inline-formula">μg mĝ'3</span>), but aerosol scattering coefficients at 550 <span classCombining double low line"inline-formula">nm</span> were similar (<span classCombining double low line"inline-formula">ĝ1/4120</span> <span classCombining double low line"inline-formula">Mmĝ'1</span>), as too were CO near-surface concentrations (310-340 <span classCombining double low line"inline-formula">ppb</span>). We attribute these contrasts to the more flaming combustion of Cerrado fires in the east and more smouldering combustion of deforestation and pasture fires in the west. Horizontal wind shear was important in inhibiting mixed layer growth and plume rise, in addition to advecting pollutants from the Cerrado regions into the remote tropical forest of central Amazonia. Thin layers above the mixing layer indicate the roles of both plume injection and shallow moist convection in delivering pollution to the lower free troposphere. However, detrainment of large smoke plumes into the upper free troposphere was very infrequently observed. Our results reiterate that thermodynamics control the pollutant vertical distribution and thus point to the need for correct model representation so that the spatial distribution and vertical structure of biomass burning smoke is captured.</p> We observed an increase of aerosol abundance relative to CO with altitude both in the background haze and plume enhancement ratios. It is unlikely associated with thermodynamic partitioning, aerosol deposition or local non-fire sources. We speculate it may be linked to long-range transport from West Africa or fire combustion efficiency coupled to plume injection height. Further enquiry is required to explain the phenomenon and explore impacts on regional climate and air quality.
AreaMET
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data URLhttp://mtc-m21c.sid.inpe.br/ibi/8JMKD3MGP3W34R/3TARRNE
zipped data URLhttp://mtc-m21c.sid.inpe.br/zip/8JMKD3MGP3W34R/3TARRNE
Languageen
Target Filedarbyshire_vertical.pdf
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5. Allied materials
Next Higher Units8JMKD3MGPCW/43SKC35
Citing Item Listsid.inpe.br/bibdigital/2021/01.01.17.20 2
DisseminationWEBSCI; PORTALCAPES; AGU; SCOPUS.
Host Collectionurlib.net/www/2017/11.22.19.04
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