In point bar deposits. Deposition of sediment constantly rechannelizes the stream. Sheet flow occurs over the whole area during storms. Slumping spreads sediment out evenly in all directions. The stream meanders across a broad floodplain.
Wind reworks the stream deposits over a wide area.
Wind has a low density compared to water. Wind is not confined to channels. Wind can spread sediment over large areas. Wind is not capable of transporting coarse sediments. All of the above.