OSCAR CASTRO ORGAZ2026-01-292026-01-29201410.1061/(ASCE)HY.1943-7900.00009072-s2.0-84929151057https://www.scopus.com/inward/record.uri?eid=2-s2.https://ucocris.uco.es/handle/123456789/26100Civil and Structural EngineeringMechanical EngineeringWater Science and TechnologySecond-order shallow-flow theory and dupuit approximation for phreatic aquifersresearch article