Study on the unsteady flow in open channels under gates operation: Transients in series channel with automatic gate and some effects of its control-elements

accident benefits analisis analyse analyse statistique analysis assurance accident canal canales canals chemicophysical properties circulation de l'eau economic sectors engineering properties hydraulic structures inland waterways limnologia limnologie limnology methode methods oceanografia fisica oceanologia oceanologie oceanology ouvrage hydraulique physical oceanography secteur tertiaire sector terciario seguridad social seguro de accidentes service service social services servicios servicios sociales social security social services statistical analysis statistical methods statistics tertiary sector transport transporte vertedero water circulation weirs