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1. Identity statement
Reference TypeJournal Article
Siteplutao.sid.inpe.br
Holder Codeisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Identifier8JMKD3MGP3W/3HG7MHP
Repositorysid.inpe.br/plutao/2014/12.01.13.56   (restricted access)
Last Update2015:02.10.18.50.51 (UTC) administrator
Metadata Repositorysid.inpe.br/plutao/2014/12.01.13.56.06
Metadata Last Update2018:06.04.23.39.43 (UTC) administrator
ISSN0031-0182
Labellattes: 0307721738107549 9 LorentePOBCMGORBFCBM:2014:DeSePa
Citation KeyLorentePOBCMGORBFCBM:2014:DeSePa
TitlePalynofacies and stable C and N isotopes of Holocene sediments from Lake Macuco (Linhares, Espírito Santo, southeastern Brazil): Depositional settings and palaeonvironmental evolution
Year2014
Access Date2024, May 24
Type of Workjournal article
Secondary TypePRE PI
Number of Files1
Size2592 KiB
2. Context
Author 1 Lorente, Flavio L.
 2 Pessenda, Luiz Carlos Ruiz
 3 Oboh-Ikuenobe, Francisca
 4 Buso Jr., Antonio Alvaro
 5 Cohen, Marcelo Cancela Lisboa
 6 Meyer, Karin Elise Bohns
 7 Giannini, Paulo Cesar F.
 8 Oliveira, Paulo Eduardo de
 9 Rossetti, Dilce de Fátima
10 Barotti Filho, Marcos Antonio
11 França, Marlon C.
12 Castro, Darciléa Ferreira
13 Bendassolli, Jose Albertino
14 Macario, Kita
Resume Identifier 1
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 9 8JMKD3MGP5W/3C9JGTQ
Group 1
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 9 DSR-OBT-INPE-MCTI-GOV-BR
Affiliation 1
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 9 Instituto Nacional de Pesquisas Espaciais (INPE)
e-Mail Addressmarcelo.pazos@inpe.br
JournalPalaeogeography, Palaeoclimatology, Palaeoecology
Volume415
Pages69-82
Secondary MarkA1_ENGENHARIAS_III A1_BIODIVERSIDADE A1_CIÊNCIAS_AMBIENTAIS A1_GEOGRAFIA A1_INTERDISCIPLINAR A2_CIÊNCIAS_AGRÁRIAS_I A2_GEOCIÊNCIAS A2_SAÚDE_COLETIVA B1_QUÍMICA B1_CIÊNCIAS_BIOLÓGICAS_I B1_ENGENHARIAS_IV B2_ASTRONOMIA_/_FÍSICA C_FILOSOFIA/TEOLOGIA:subcomissão_FILOSOFIA
History (UTC)2014-12-01 13:56:06 :: lattes -> administrator ::
2018-06-04 23:39:43 :: administrator -> marcelo.pazos@inpe.br :: 2014
3. Content and structure
Is the master or a copy?is the master
Content Stagecompleted
Transferable1
Content TypeExternal Contribution
Version Typepublisher
Keywordsholoceno
Paleoambientes
palinofacies
nível do mar
delta do rio doce
AbstractParticulate organic matter in sediments constitutes a valuable proxy for paleoenvironmental reconstructions. A 192 cm lacustrine sediment core (~7521 cal yr. B.P.) from the northern coast of the State of Espírito Santo, southeastern Brazil, was radiocarbon dated and then analyzed for palynofacies, stable isotopes (C and N), and grain size. The values for total organic carbon TOC (1.91% to 20.89%), total nitrogen TN (0.08% to 1.1%), δ13C (−27.10 to −29.01), δ15N (1.92 to 5.09) and C/N (12.87 to 50.11) suggest predominance of C3 plants and changing mixtures of terrestrial and aquatic organic matter in the sediments. Palynofacies and cluster analyses were used to identify four palynofacies associations that reflect different phases in the Lake Macuco evolution. Palynofacies 1 (192 to 106 cm, ~7521 cal yr. B.P. to ~7054 cal yr. B.P.interpolated age) is characterized mainly by amorphous organic matter (AOM), non-opaque phytoclasts (NOPs), mangrove pollen grains (Rhizophora sp. L. 1753 and Avicennia sp. L. 1753), and foraminiferal test linings. Palynofacies 2 (106 to 65 cm, ~7054 cal yr. B.P.interpolated age to ~4847 cal yr. B.P.) is dominated by NOPs and AOM, with an increase in the values of mangrove pollen grains relative to Palynofacies 1. Both palynofacies reflect marine and fluvial influences in a depositional environment related to the development of an estuarine system during the mid-Holocene transgressive stage. Palynofacies 3 (65 to 27 cm, ~4847 cal yr. B.P. to ~3800 cal yr. B.P.interpolated age) comprises high abundances of fluvial elements (NOP and opaque phytoclastsOP) and low values of AOM. The depositional environment is interpreted as being an estuary during the marine regression, with the displacement of the estuarine basin and mangroves towards the sea. Palynofacies 4 (27 to 0 cm, b~3800 cal yr. B.P.) is characterized by the predominance of AOM and NOP, increase in the values of freshwater algae, and no evidence of marine influence. This last phase reflects the beginning of the establishment of Lake Macuco and floodplain of the Barra Seca River under conditions similar to the present-day.
AreaSRE
Arrangementurlib.net > BDMCI > Fonds > Produção anterior à 2021 > DIDSR > Palynofacies and stable...
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4. Conditions of access and use
Languageen
User Grouplattes
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Reader Groupadministrator
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Read Permissiondeny from all and allow from 150.163
Update Permissionnot transferred
5. Allied materials
LinkingTrabalho não Vinculado à Tese/Dissertação
Mirror Repositoryiconet.com.br/banon/2006/11.26.21.31
Next Higher Units8JMKD3MGPCW/3ER446E
DisseminationWEBSCI; PORTALCAPES; AGU; SCOPUS.
Host Collectiondpi.inpe.br/plutao@80/2008/08.19.15.01
6. Notes
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