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Sumario Resumen Hidrogeología
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Resumen tema 1 Las aguas subterráneas en el ciclo hidrologico
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Tema 1. Lasaguas
subterráne
en el ciclo
hidrologico
Alba Martínez Coronado
,¿Cómo se distribuye el
agua en la naturaleza?
• La mayor parte es agua salada
almacenada en océanos y lagos (97,5%)
• Solo el 2,5 % restante es agua dulce
• El 30% se encuentra en la humedad del suelo y
en los acuíferos profundos.
• Solo el 1% del agua dulce en el mundo, escurre
por las cuencas hidrográficas en forma de
arroyos y ríos y se depositan en lagos, lagunas y
en otros cuerpos superficiales de agua y en
acuíferos.
ju
, ¿Cuánto tarda una
gota de agua en
recorrer un rio?
• Océanos 2.500 años
• Glaciares y casquetes polares 10.000
años
• Acuíferos de 300 a 5.000 años
• Lagos de agua dulce 15-20 años y de
agua salada hasta 150 años.
• Ríos de 15 a 20 días
• Atmosfera 10 días
• Biomasa horas o días.
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