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1. Identity statement
Reference TypeJournal Article
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Identifier8JMKD3MGP3W34T/457CRGP
Repositorysid.inpe.br/mtc-m21d/2021/08.03.12.35
Last Update2021:08.03.12.35.25 (UTC) simone
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Metadata Last Update2022:04.03.22.27.29 (UTC) administrator
DOI10.5194/acp-21-10643-2021
ISSN1680-7316
1680-7324
Citation KeyWilsonCGPBMGMBM:2021:LaInMe
TitleLarge and increasing methane emissions from eastern Amazonia derived from satellite data, 2010-2018
Year2021
MonthJuly
Access Date2024, May 19
Type of Workjournal article
Secondary TypePRE PI
Number of Files1
Size7089 KiB
2. Context
Author 1 Wilson, Chris
 2 Chipperfield, Martyn P.
 3 Gloor, Manuel
 4 Parker, Robert J.
 5 Boesch, Hartmut
 6 McNorton, Joey
 7 Gatti, Luciana Vanni
 8 Miller, John B.
 9 Basso, Luana Santamaria
10 Monks, Sarah A.
Group 1
 2
 3
 4
 5
 6
 7 DIIAV-CGCT-INPE-MCTI-GOV-BR
 8
 9 CST-CST-DIPGR-INPE-MCTI-GOV-BR
Affiliation 1 University of Leeds
 2 University of Leeds
 3 University of Leeds
 4 University of Leicester
 5 University of Leicester
 6 European Centre for Medium-Range Weather Forecasts
 7 Instituto Nacional de Pesquisas Espaciais (INPE)
 8 National Oceanic and Atmospheric Administration (NOAA)
 9 Instituto Nacional de Pesquisas Espaciais (INPE)
10 independent researcher
Author e-Mail Address 1 c.wilson@leeds.ac.uk
JournalAtmospheric Chemistry and Physics
Volume21
Number13
Pages10643-10669
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)2021-08-03 12:35:25 :: simone -> administrator ::
2021-08-03 12:35:26 :: administrator -> simone :: 2021
2021-08-03 12:36:34 :: simone -> administrator :: 2021
2022-04-03 22:27:29 :: administrator -> simone :: 2021
3. Content and structure
Is the master or a copy?is the master
Content Stagecompleted
Transferable1
Content TypeExternal Contribution
Version Typepublisher
AbstractWe use a global inverse model, satellite data and flask measurements to estimate methane (CH4/ emissions from South America, Brazil and the basin of the Amazon River for the period 2010-2018. We find that emissions from Brazil have risen during this period, most quickly in the eastern Amazon basin, and that this is concurrent with increasing surface temperatures in this region. Brazilian CH4 emissions rose from 49.85.4 Tg yr1 in 2010- 2013 to 55.65.2 Tg yr1 in 2014-2017, with the wet season of December-March having the largest positive trend in emissions. Amazon basin emissions grew from 41.75.3 to 49.35.1 Tg yr1 during the same period.We derive no significant trend in regional emissions from fossil fuels during this period. We find that our posterior distribution of emissions within South America is significantly and consistently changed from our prior estimates, with the strongest emission sources being in the far north of the continent and to the south and south-east of the Amazon basin, at the mouth of the Amazon River and nearby marsh, swamp and mangrove regions. We derive particularly large emissions during the wet season of 2013/14, when flooding was prevalent over larger regions than normal within the Amazon basin. We compare our posterior CH4 mole fractions, derived from posterior fluxes, to independent observations of CH4 mole fraction taken at five lower- to mid-tropospheric vertical profiling sites over the Amazon and find that our posterior fluxes outperform prior fluxes at all locations. In particular the large emissions from the eastern Amazon basin are shown to be in good agreement with independent observations made at Santarem, a location which has long displayed higher mole fractions of atmospheric CH4 in contrast with other basin locations. We show that a bottom-up wetland flux model can match neither the variation in annual fluxes nor the positive trend in emissions produced by the inversion. Our results show that the Amazon alone was responsible for 2418%of the total global increase in CH4 flux during the study period, and it may contribute further in future due to its sensitivity to temperature changes.
AreaCST
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zipped data URLhttp://urlib.net/zip/8JMKD3MGP3W34T/457CRGP
Languageen
Target Filewilson_large_2021.pdf
User Groupsimone
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Update Permissionnot transferred
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Next Higher Units8JMKD3MGPCW/449U4PL
8JMKD3MGPCW/46KUATE
Citing Item Listsid.inpe.br/bibdigital/2021/03.06.05.18 2
DisseminationWEBSCI; PORTALCAPES; AGU; SCOPUS.
Host Collectionurlib.net/www/2021/06.04.03.40
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