Two new types of sandbars in channels of the modern Ganjiang Delta, Poyang Lake, China: Depositional characteristics and origin

Two new types of sandbars are found in distributary channels of the modern Ganjiang Delta, Poyang Lake, China, respectively named as branching-point bar (BPB) and merging-point bar (MPB). BPB is defined as sandbar formed at the branching point of a channel where one channel branches into two. MPB is defined as sandbar formed at the merging point of two channels.