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EL MEDI NATURAL

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by

vicent viel

on 14 September 2016

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Transcript of EL MEDI NATURAL

photo credit Nasa / Goddard Space Flight Center / Reto Stöckli
EL MEDI NATURAL
Tectònica de plaques
LES AIGÜES
ELEMENTS DEL CLIMA
FACTORS DEL CLIMA
ELS CLIMES DE LA TERRA
FORMES DEL RELLEU
CLIMES CÀLIDS:
Temperatures elevades
TROPICAL:
Pmm (1500mm)
Dues estacions (humida/seca)
Sabana
EQUATORIAL:
Pmm abundants (+ 2000mm)
Selva
DESÈRTIC:
Poques Pmm (-250mm)
Cactus
CLIMES TEMPERATS
Quatre estacions
MEDITERRANI:
Hivern suau/estiu calorós
Pmm (poques, irregulars)
Bosc fulla perenne (alzina)
OCEÀNIC O ATLÀNTIC:
Temperatures suaus
Pmm abundants (1000mm)
Bosc fulla caduca (faig,roure)
CONTINENTAL:
Temperatures extremes
Pmm escases i a l'estiu
Taigà, praderies
CLIMES FREDS:
POLAR:
Temperatures baixes
Pmm escasses
Tundra (molsa, líquens)
ALTA MUNTANYA:
Temperatures fredes
Pmm abundants
Pisos vegetals
FUSOS HORARIS
FUSOS HORSRIS:
Cadascuna de les vint-i-quatre àrees en les quals es divideix la Terra.
Els fusos horaris estan centrats en meridians amb una lomngitud que és múltiple de 15º.
Les formes dels fusos horaris s'han vist afectades per les fronteres polítiques.
Full transcript