Relevo litoral da península ibérica
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Transcript of Relevo litoral da península ibérica
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RELEVO LITORAL EN ESPAÑA
COSTAS SECTORES FORMAS DE MODELADO
Costa catalana
Cataluña septentr. (volumes montañosos perpendiculares á costa) Costas con acantilados
Cataluña centr. e merid. (relevos paralelos ou oblicuos á liña de costa)
Deltas (delta do Ebro, con superficie de 28.260 Ha.; delta do Llobregat)
LITORAL Litoral Castellón-Valencia
Costa en forma de arco
MEDITERRÁNEO Gran extensión da chaira prelitoral na zona central do arco
(costa
C. San Antonio - La Nao - Cabo de PalosSalinas de Alicante, Torrevieja, Mar Menor (sinclinais)
micromareal)Costas das Chaira de Elche e Campo de Cartaxena (chairas costeiras)
Cord. Béticas Costa entre Cabo de Palos e Adra Golfo de Mazarrón
Delta do Adra
Litoral de MálagaPlataformas costeiras de orixe dubidosa, como "P. del Candado"
Litoral Golfo de Cádiz
Depresión do Guadalquivir (marismas)
LITORAL atlántico Frechas litorais e acumulacións dunares (Doñana)
ATLÁNTICO
Estaca de Bares - Llanes (estr. perpendiculares ao trazado costeiro) Rasas
E CANTÁBRICO
Llanes - Cantabria - País Vasco (estruturas paralelas ao litoral) Rías
(costa Litoral
Litoral de Galicia
Rías en embudo (parte inferior dun río inundada polo mar: Ferrol, Foz)
mesomareal)cantábrico e Rías tectónicas: Vigo, Pontevedra, Muros
GaliciaRías alveolares ou cubetas de alteración inundadas: Coruña, Arousa
Rías compostas ou mixtas: Ortigueira, Viveiro, Cedeira, Betanzos,…
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Consecuencias da erosión mariña: os cantís retroceden debido a que as ondas excavan a súa base, que ao perder o soporte cae, retrocedendo cada vez máis.
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Consecuencias da sedimentación: tómbolos (a), frechas (b) e praias (c)
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Delta do Ebro
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Macizo do Garraf
Cabo de Creus
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Albufeira de Valencia
restinga
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Mar Menor, a meirande lagoa litoral da costa española, cunha
profundidade de 7 m.
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Saladar de Alicante (antiga albufeira colmatada)
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Campo de Cartaxena
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Duna en Punta Entinas
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“Plataforma del Candado”
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Marismas do Guadalquivir
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Sistemas dunares e flecha en Doñana
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A rasa cantábrica en
Llanes
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Ría de San Vicente de la Barquera
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Ría en embudo
Ría tectónica
Ría alveolar
Ría composta ou mixta