Some of these properties appear to be evident in this iceberg, though the channel may have since been widened and enlarged by the subsequent tidal and surface melting and erosion.

Results indicate that the protruding topography left when the Diaokou Channel was abandoned is the main cause of strong coastal erosion.

First, erosion resulting from excessive deforestation in the upper reaches of the river. And second, heavy silting which raised the riverbed in the main channel.