Tema 7 La hidrosfera

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Conca hidrogràfica

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12 Terms

1

Conca hidrogràfica

_____: àrea ocupada per una xarxa de drenatge.

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2

Nivell piezomètric

________: la pressió de l'aigua és igual a la pressió atmosfèrica.

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3

Aqüífer

________: reserva d'aigua subterrània que explotem.

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4

Precipitació

________= evapotranspiració+ escolta superfície+ escolta subterrània.

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5

Salinitat:

fa que l’aigua sigui més densa

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6

D’on provenen les sals del mar?

Provenen de fonts hidrotermals, erupcions volcàniques.

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7

Quin tipus de temperatura està relacionada amb el clima

La superficial

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8

Que provoca la termoclina?

impedeix la barreja d’aigua

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9

Corrents profunds o termohalins:

Tenen molta sal i són zones d’aflorament

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10

Càrrega:

material que transporta en aquell moment

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11

Capacitat:

material màxim que pot transportar

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12

Aigües salvatges

Aigües que en un principi circulen sense una llera fixa.

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