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Modelling the superficial formation thickness at slopes organized on agricultural terraces at Douro Demarked Region

Title
Modelling the superficial formation thickness at slopes organized on agricultural terraces at Douro Demarked Region
Type
Article in International Conference Proceedings Book
Year
2024
Authors
Bateira, Carlos
(Author)
FLUP
Pereira, Susana
(Author)
FLUP
SantAnna, P.
(Author)
Other
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Lima, Gabriela Narcizo de
(Author)
FLUP
Alves, F.
(Author)
Other
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Natário, M.
(Author)
Other
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Valente, J.
(Author)
Other
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Resumo (PT): O estudo incide sobre a modelação espacial da espessura das formações superficiais (FS) que suportam a construção de terraços agrícolas na Região Demarcada do Douro (RDD). A metodologia baseia-se num modelo aritmético que integra a curvatura, o declive e a altura normalizada da vertente. A validação baseou-se em duas abordagens: (i) observação e medição dos taludes de terraços quando o contacto das formações superficiais com a rocha mãe é observável; (ii) construção de perfis de resistência elétrica até à profundidade de 2,5m. Considerou-se que a resistência elétrica inferior a 200Ω corresponde a materiais das FS.
Abstract (EN): The study focuses on the spatial modelling of the surface formations (SF) thickness that support the construction of agricultural terraces at the Douro Demarcated Region (RDD). The methodology uses an arithmetic model that integrates curvature, slope and normalized slope height. The validation was based on two approaches: (i) the field observation and measure of the terrace riser when the contact between the SF and the parent material is observable; (ii) the construction of electrical resistance profiles up to 2.5m depth. We considered that electrical resistance below 200Ω corresponds to SF materials.
Language: English
Type (Professor's evaluation): Scientific
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