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Quaternary and Environmental Geosciences
Article . 2014 . Peer-reviewed
Data sources: Crossref
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Quaternary and Environmental Geosciences
Article
License: CC BY NC SA
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O registro geológico da atividade antropogênica na região do Valo Grande, Estado de São Paulo, Brasil

Authors: Diana Melo Italiani; Michel Michaelovitch Mahiques;

O registro geológico da atividade antropogênica na região do Valo Grande, Estado de São Paulo, Brasil

Abstract

Após a abertura do canal artificial do Valo Grande, na primeira metade do século XIX, a região do Sistema Estuarino-Lagunar de Cananéia-Iguape, denominada Mar Pequeno, vem sendo influenciada por um intenso processo de assoreamento que mudou, numa curta escala de tempo, a morfologia e sedimentação do local, com a consequente formação de um delta intralagunar antropogênico. Essas evidências foram abordadas e analisadas neste trabalho por meio da elaboração de modelos digitais de terreno, realizados a partir de dados batimétricos obtidos em campo. Além disso, com a elaboração de mapas vetoriais realizados a partir da digitalização da linha de costa de imagens de satélite e mapas topográficos, foi possível fazer um estudo da mudança geomorfológica da linha de costa. O processo de erosão do Valo Grande foi demonstrado através de comparações das seções de perfis batimétricos efetivadas nos anos de 1891 e 1907 pela Comissão Geográfica e Geológica do Estado de São Paulo e dos perfis adquiridos em campo no ano de 2008, com a finalidade de obter a variação da largura e da profundidade do canal ao longo desses anos.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
4
Average
Average
Average
gold