The recession limb which extends from the point of inflection at the end of the crest segment to the commnencement of the natural groundwater flow represents the withdrawal of water from the storage built up in the basin during the earlier phases of the hydrograph.
The recession limb represents the withdrawal of water from the storage. This storage is built up in the basin during the earlier phases of the hydrograph. This recession limb extends from the point of inflection at the end of the crest segment to the commnencement of the natural groundwater flow.