O RELEVO DO MUNDO
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Transcript of O RELEVO DO MUNDO
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TEMA 1: O RELEVO.MARCO FÍSICO DAS ACTIVIDADES
HUMANAS
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ÁFRICA• É un continente macizo e uniforme. Hai moitas
rochas desgastadas pola erosión.
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CORDILLEIRA DO ATLAS
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MONTES DRAKENSBERG
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PICO KENYA
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PICO KILIMANJARO
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MESETA DE KALAHARI
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MACIZO TIBESTI
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MACIZO ETIÓPICO
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LAGO CHAD LAGO NÍXER
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LAGO VICTORIA
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RÍO NILO
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RÍO CONGO
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RIFT VALLEY
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AMÉRICA
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ESTREITO DE BERING
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MONTAÑAS ROCHOSAS
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PICO MCKINLEY
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APALACHES
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GRANDES LAGOS
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ANTILLAS
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SERRA MADRE
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CUNCA DO MISISIPI
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CANAL DE PANAMÁ
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RÍO ORINOCO RÍO AMAZONAS
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CUNCA DE PARANÁ-PARAGUAI
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LAGO TITICACA
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ANDES ACONCAGUA
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MACIZO DAS GUAIANAS
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ASIA• Hai extensas chairas e mesetas
no norte.• No centro hai elevadas
cordilleiras.• No sur hai extensas mesetas.• Hai grandes penínsulas no
Índico.• No Pacífico hai moitos
achipielagos.
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RÍOS TIGRIS E EUFRATES
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MAR CASPIO
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RÍO OBI RÍO LENA
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RÍO IAGNASTÉ RÍO MECONG
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RÍO GANGES RÍO INDO
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ZAGROS HINDOKUSH
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HIMALYA EVEREST
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ARCH. XAPONÉS ARCH. DAS FILIPINAS
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EUROPA
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MONTAÑAS DE EUROPA:
• As montañas son de relevos moi antigos e ersionados.
• Tamén hai algunhas montañas novas.• A chaira máis extensa e a Gran Chaira
Europea, pero tamén hai outras chairas máis pequenas.
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CAÚCASO ELBRUS
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CÁRPATOS BALCÁNS
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ALPES MONT BLANC
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PIRINEOS MACIZ0 CENTRAL FRANCÉS
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APENINOS CORD.ESCANDINAVA
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COSTAS DE EUROPA
• Poden ser: recortadas (fiordes e rías), elevadas (cantís) ou baixas (deltas).
• Tamén poden ser de costas atlánticas ou mediterráneas.
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LIMITES
• Polo norte o Océano Glacial Ártico, polo leste os monte Urais e Asia, polo sur o Mar Mediterráneo e polo oeste o Océano Atlántico.
Tamén hai outros mares: o Exeo, o Adriático, o Xónico, do Norte, o Báltico e o de Noruega.
Hai varias illas importantes no continente: Sicilia, Malta, Sardeña, Córsega, Creta, Irlanda, Gran Bretaña e Islandia.
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MAR BLANCO MAR NEGRO
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ESTR. DE BÓSFORO ESTR. DE MESINA
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CANAL DE LA MANCHA PEN. DE CRIMEA
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PENINSULAS DE XUTLANDIA BALCÁNICA ITÁLICA
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RÍO VOLGA RÍO DON
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RÍO DANUBIO
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RÍO PO RÍO RÓDANO
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RÍO ELBA RÍO RIN
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RÍO LOIRA RÍO SENA
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RELEVO PÍNSULAR ESPAÑOL Extremo suroccidental de Europa. Hai unha
elevada altura media, sobre todo pola meseta. Presenta formas compactas, coa excepción de Galicia. Principais formas:
·Meseta Castelá (submeseta norte e submeseta sur).
·Cordilleiras interiores da meseta (Sistema Central e Montes de Toledo).
·Montañas que rodean a Meseta(Serra Morena, Sistema Ibérico, Montes de León e Cordilleira Cantábrica)
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RELEVO INSULAR ESPAÑOL:
• Cordilleiras máis afastadas da meseta (Macizo Galaico, Montes Vascos, Pirineos, Cord. Béticase Cord. Costeiras Catalás)
• Depresións exteriores (depresión do Guadalquivir e depresión do Ebro)
• Arquipélago Balear.• Arquipélago Canario.
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COSTAS E RÍOS DE ESPAÑA
• Son generalmente pouco recortadas, cunha contorna rectílinea ou suavemente curvada (excepto Galicia).
• As costas son altas e rochosas. Coa excepción de Cádiz, Alicante e Valencia, que son tramos baixos e areosos.
• Nas Canarias predominan os acantilados de orixe volcanica.
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Ríos. Hai tres vertentes:
• CANTÁBRICA. Son ríos curtos e de forte corrente. Son tamén moi caudalosos.
• ATLÁNTICA. Son ríos longos e caudalosos, pero con importantes estiaxes no verán (coa excepción dos ríos galegos).
• MEDITERRÁNEA. Son curtos e de escaso caudal. Son moi irregulares (excepción, o Ebro). No verán hai estiaxes e no outono inundacións.
• Nas Canarias e nas Baleares non hai ríos, hai torrentes e barrancas.
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RELEVO GALEGO• É un relevo moi erosionado. UNIDADES DO RELEVO:·SERRAS ORIENTAIS E SUDORIENTAIS. As serras
Orientais son das máis altas. Dentro das serras Sudorientais hai zonas deprimidas.
·ZONA CENTRAL. Ali encontrase a meseta de Lugo e ó seu norte está Terra Chá. Tamén se encontran as serras Centrais e Setentrionais.
·ZONA LITORAL. Encontranse zonas afundidas (como a depresión Tui-Padrón) e chairas. Tamén hai algunhas serras, como a Serra do Barbanza
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COSTAS GALEGAS• As costas galegas son moi accidentadas. Con
numerosos entrantes e saíntes.• Hai moitos cabos, cantís e illas.• Tamén hai rías. Divídense en dous grupos: Rías
Altas(rías de: Viveiro, Ortigueira, Cedeira, Ferrol, Betanzos, A Coruña, Corme e Laxe e Camariñas) e Rías Baixas (rías de: Muros e Noia, Arousa, Pontevedra e Vigo).
• Os ríos son caudalosos e de réxime pluvial. Teñen gran poder erosivo, a causa diso formanse foces ou cañóns. Son curtos salvo o Miño e o Sil