OSCAR CASTRO ORGAZ2026-01-292026-01-29202210.1007/s10652-021-09797-32-s2.0-85108317103https://www.scopus.com/inward/record.uri?eid=2-s2.https://ucocris.uco.es/handle/123456789/33574Environmental ChemistryWater Science and TechnologyFree surface profiles of near-critical instabilities in open channel flows: undular hydraulic jumpsresearch article