The effect of water pressure against the bows from the presence of shelving water on one side, causing the bows to swing away into deeper water, is the phenomenon known as smelling the ground.
Ifuthe loxinezelelo lwamanzi kwisiphelo somphambili wenqanawa ngobukho ngokuthambeka kwamanzi kwicala elinye, nto leyo eyenza isiphelo somphambili sijikele kwicala elinzulu lamanzi ibizwa ngokuba lunukiso lomhlaba.