The diving pool at the London Olympics has to be a minimum depth of 4.5 meters, but the preferred depth is 5 meters (16 feet 4 inches).8 people found this useful.he diving pool at the London Olympics has to be a minimum depth of 4.5 meters, but the preferred depth is 5 meters (16 feet 4 inches). 8 people found this useful.
Positive feedback mechanism. A process whereby an initial change in an atmospheric process will tend to either reinforce the process (positive feedback) or weaken the process (negative feedback). See Feedback mechanism.
feedback - the process in which part of the output of a system is returned to its input in order to regulate its further output. 1  natural action, natural process, action, activity - a process existing in or produced by nature (rather than by the intent of human beings); the action of natural forces; volcanic activity.