desilt
Clear accumulated mud
To desilt is to remove silt—fine sediment that accumulates in waterways, reservoirs, and irrigation channels.
Desilting restores capacity and flow: The dam needs to be desilted every few years.
The process may involve dredging, flushing, or mechanical excavation.
Underwater excavation apparatus
- excavateRemove earth systematically
- scoopFirst-reported story
- draglineHeavy digging machine
- clamshellHinged mollusk covering
cutterhead · suction · bucket · grapple · dewatering · spoil · disposal · hydraulic
Large flowing watercourse
- channelPassage for transmission
- canalDug water passage
- reservoirLarge water storage basin
- damWater-holding barrier
irrigation · intake · culvert · drainage · floodgate · spillway · weir · sluice
Fine rock particles
- mudWet soil mixture
- clayMoldable earth for ceramics
- gravelLoose small rock fragments
- alluviumWater-deposited loose sediment
deposits · particles · turbidity · sedimentation · detritus · accumulation · buildup · blockage
Machine that digs earth
- backhoeHinged-arm excavating machine
- draglineHeavy digging machine
- cutterOne who severs
- pumpFluid-moving machine
conveyor · dumptruck · loader · crane · barge · pontoon · pipeline · screen
Occurring at intervals
- scheduledArranged for specific time
- preventiveMeant to stop trouble
- remedialIntended to fix problems
- restorationReturning something to condition
rehabilitation · capacity · flood control · water management · infrastructure · engineering · reclamation · environmental
dredge
Underwater excavation apparatus
clamshell · cutterhead · suction · bucket · grapple · dewatering · spoil · disposal · hydraulic · pump
river
Large flowing watercourse
dam · irrigation · intake · culvert · drainage · floodgate · spillway · weir · sluice · basin
sand
Fine rock particles
alluvium · deposits · particles · turbidity · sedimentation · detritus · accumulation · buildup · blockage · clogging
excavator
Machine that digs earth
pump · conveyor · dumptruck · loader · crane · barge · pontoon · pipeline · screen · separator
periodic
Occurring at intervals
- scheduledArranged for specific time
- preventiveMeant to stop trouble
- remedialIntended to fix problems
restoration · rehabilitation · capacity · flood control · water management · infrastructure · engineering · reclamation · environmental · compliance