Dredging
Descolmatar in civil engineering, means " clean " the bottom of a ditch, channel, or current of water ( 41 River;
descolmatacion: remove sedimentation, or solid material that transports water currents was the rios.limpieza of channels.
remove solid waste from a river or Lake
Descolmatar, is to remove the residue on a surface by the action of displacement of winds, surface water or groundwater, or bodies of water in environment marine or lacustrine, shares of chemical agents, actions of living organisms.