compression wavecomputational stabilitycomputer modelingcomputer simulatorconcaveconcave slopconcentrationconceptual modelconcertioncondensationcondensation nucleicondensation pressurecondensation temperatureconditionconditional instabilityconditionally consistentconditionally stableconductionconduction heatconduitcone indexcone of depressioncone penetrometerconfigurationconfined water wellconfining bedconfining bedsconfining layerconfining layersconfining stratumconfluenceconfluentconformal mappingconglomeratecongruentconic valveconjugateconjugate depthsconnate waterconsequent streamconseration obstaclesconsernation and ersion research methodsconservationconservation costsconservation districtsconservation incentivesconservation irrigationconservation lawsconservation of energyconservation of natural resources