ANALYSIS OF THE WAITING ACTIVITY IN ENTERING PORT USING AIS DATA

Abstract

 Because of the high speed development of the world economy in recent years, the rapid increase of transportations led to maritime accidents frequently. For safety and efficient maritime transport, it is necessary to grasp the actual condition of ships. we are here concerned with the ship's waiting activities in offshore, which activities have a bearing on ship entering and departing port. However the observation of waiting ships is too difficult to be obtained the data in long time, the actual situation of ship's wating activity has been never studied so far.
 Based on this background, this study grasps the actual situation of ship by using Automatic Identification System (AIS) data and analyzes the congestion n area on Osaka Bay.