As Av Ab straction 1. The long-term to permanent removal of surface flow from a channel. A simple type of stream capture. A plant collected and assigned a number to maintain identity during evaluation in controlled trials. Accretion 1 .
Water accretes to a stream when shallow groundwater seeps from the ground into a streambed.
Multiple sources of surface water spilling into a stream may also be referred to as surface water accretions. Sediments carried by a stream and deposited as additions to banks or low ground are accretions to land. Outward growth of bank or shore by sedimentation. The amount of water needed to cover one acre to a depth of one foot. It consists of 326,000 gallons of water.