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1. Identificação
Tipo de ReferênciaArtigo em Revista Científica (Journal Article)
Sitemtc-m21b.sid.inpe.br
Código do Detentorisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Identificador8JMKD3MGP3W34P/3PFBL5P
Repositóriosid.inpe.br/mtc-m21b/2017/08.18.18.44   (acesso restrito)
Última Atualização2017:08.18.18.44.43 (UTC) administrator
Repositório de Metadadossid.inpe.br/mtc-m21b/2017/08.18.18.44.43
Última Atualização dos Metadados2018:06.04.02.27.45 (UTC) administrator
DOI10.1016/j.catena.2017.06.022
ISSN0341-8162
Chave de CitaçãoRossettiGrReCoMoCoRo:2017:LaHoTe
TítuloLate Holocene tectonic influence on hydrology and vegetation patterns in a northern Amazonian megafan
Ano2017
MêsNov.
Data de Acesso19 abr. 2024
Tipo de Trabalhojournal article
Tipo SecundárioPRE PI
Número de Arquivos1
Tamanho2703 KiB
2. Contextualização
Autor1 Rossetti, Dilce de Fátima
2 Gribel, Rogério
3 Rennó, Camilo Daleles
4 Cohen, Marcelo C. L.
5 Moulatlet, Gabriel M.
6 Cordeiro, Carlos Leandro de Oliveira
7 Rodrigues, Erika do Socorro Ferreira
Identificador de Curriculo1 8JMKD3MGP5W/3C9JGTQ
2
3 8JMKD3MGP5W/3C9JGN2
Grupo1 DIDSR-CGOBT-INPE-MCTIC-GOV-BR
2
3 DIDPI-CGOBT-INPE-MCTIC-GOV-BR
4
5
6 SER-SRE-SESPG-INPE-MCTIC-GOV-BR
Afiliação1 Instituto Nacional de Pesquisas Espaciais (INPE)
2 Instituto Nacional de Pesquisas da Amazônia (INPA)
3 Instituto Nacional de Pesquisas Espaciais (INPE)
4 Universidade Federal do Pará (UFPA)
5 University of Turku
6 Instituto Nacional de Pesquisas Espaciais (INPE)
7 Universidade Federal do Pará (UFPA)
Endereço de e-Mail do Autor1 dilce.rossetti@inpe.br
2
3 camilo.renno@inpe.br
RevistaCatena
Volume158
Páginas121-130
Nota SecundáriaA1_GEOGRAFIA A1_ENGENHARIAS_I A2_SOCIOLOGIA A2_GEOCIÊNCIAS A2_ENGENHARIAS_III A2_CIÊNCIAS_AGRÁRIAS_I B2_QUÍMICA B2_CIÊNCIAS_BIOLÓGICAS_I B3_ASTRONOMIA_/_FÍSICA C_ZOOTECNIA_/_RECURSOS_PESQUEIROS
Histórico (UTC)2017-08-18 18:44:43 :: simone -> administrator ::
2017-08-18 18:44:44 :: administrator -> simone :: 2017
2017-08-18 18:45:40 :: simone -> administrator :: 2017
2018-06-04 02:27:45 :: administrator -> simone :: 2017
3. Conteúdo e estrutura
É a matriz ou uma cópia?é a matriz
Estágio do Conteúdoconcluido
Transferível1
Tipo do ConteúdoExternal Contribution
Tipo de Versãopublisher
Palavras-ChaveForest canopy
Landscape evolution
Mid/late Holocene
Tectonics
Northern Amazonia
ResumoThe factors that control the heterogeneous canopy of the Amazonian rainforest have long been a topic of interest for research. Among all hypotheses, changes in landscape due to geological processes have been increasingly defended. Large areas of open vegetation in the northern Amazonian lowlands are confined to paleolandforms created by the abandoning of megafan depositional systems. Previous investigations related the megafan sedimentation in this region to Late Pleistocene-Holocene tectonic reactivations. However, the influence of neotectonics on both the Amazonian megafans and associated vegetation cover remains to be further investigated. We studied a depression preliminarily noticed in the south-central sector of one Amazonian megafan (i.e., Viruá megafan) aiming to determine if its genesis was due to recent tectonic subsidence after the megafan abandoning. The investigation combined morphostructural, hydrological and remote sensing reflectance analyses, as well as characterization of floristic communities in the modern and ancient environments based respectively on field inventories and palynological data. The results indicated a nearly 10-km long and rectangular-shaped area having straight margins paralleling NNE/SSW-trending regional structural lineaments. Hydrological analysis suggests that this area experiences the largest floods during wet seasons, a condition compatible with the topographic data that revealed a smoother gradient of ~ 3 m comparing this area with others from the megafan plain. In the studied depression, numerous forest patches are arranged as sets of parallel straight lines trending consistently in the NE/SW direction. The patches have spectral values that differ significantly from other forest patches over the megafan surface, being compared to those of seazonally-flooded forests, such as igapós and várzeas, that surround the megafan paleolandform. In addition, a forest patch within the depression revealed trees physiologically adapted to tolerate submersion 6 to 7 months per year, which is also a characteristic of the inundated forests external to the megafan. These data altogether led us to conclude that the studied depression consists of a shallow subsiding basin formed by tectonic reactivations in the mid/late Holocene. Tectonic instability at around 2 cal kyr BP further disturbed this system by creating NE/SW-trending lakes and leading to the replacement of seazonally-flooded forests by grasslands. Thus, tectonic activity in a relatively recent geological time must be accounted when analyzing plant distribution in the Amazonian wetlands.
ÁreaSRE
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4. Condições de acesso e uso
Idiomaen
Arquivo Alvorossetti_late.pdf
Grupo de Usuáriossimone
Grupo de Leitoresadministrator
simone
Visibilidadeshown
Política de Arquivamentodenypublisher denyfinaldraft24
Permissão de Leituradeny from all and allow from 150.163
Permissão de Atualizaçãonão transferida
5. Fontes relacionadas
Unidades Imediatamente Superiores8JMKD3MGPCW/3EQCCU5
8JMKD3MGPCW/3ER446E
8JMKD3MGPCW/3F3NU5S
Lista de Itens Citandosid.inpe.br/mtc-m21/2012/07.13.14.42 4
sid.inpe.br/mtc-m21/2012/07.13.14.44.37 1
sid.inpe.br/bibdigital/2013/10.18.22.34 1
DivulgaçãoWEBSCI; PORTALCAPES.
Acervo Hospedeirosid.inpe.br/mtc-m21b/2013/09.26.14.25.20
6. Notas
Campos Vaziosalternatejournal archivist callnumber copyholder copyright creatorhistory descriptionlevel e-mailaddress format isbn label lineage mark mirrorrepository nextedition notes number orcid parameterlist parentrepositories previousedition previouslowerunit progress project rightsholder schedulinginformation secondarydate secondarykey session shorttitle sponsor subject tertiarymark tertiarytype url
7. Controle da descrição
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