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Superficies piezométricasConcepto de nivel piezométrico En acuíferos libres: es la altura de la superficie libre de agua sobre el nivel del mar. En acuíferos confinados: es la altura que alcanzaría el agua en el interior de un sondeo hasta equilibrarse con la presión atmosférica.Estudio de la piezometría Variaciones naturales del nivel piezométrico: cíclicas (estacionales), accidentales. Factores: precipitación, evapotranspiración, mareas. Variaciones artificiales: intervención del
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