Sediment Transport Patterns in Qinhuangdao Offshore Area Reveal Unique Phenomenon.
The sediment in Qinhuangdao offshore area shows a general increase in grain size from land to sea, with some areas showing an increase from southwest to northeast. This suggests that the sediments follow a typical pattern of distribution, influenced by topography and natural conditions. The sediments resemble river sand and are transported from land to sea, with some moving from southwest to northeast. Multiple forces are involved in the transportation of sediments in this area.