Characteristic analysis of ship traffic flow at Chengshanjiao based on local density

  • ZHOU Shi-bo ,
  • XIONG Zhen-nan
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  • Navigation College, Jimei University, Xiamen 361021,China)

Received date: 2019-04-22

  Revised date: 2019-06-03

  Online published: 2019-06-04

Abstract

In order to analyze the characteristics of ship traffic flow in Chengshanjiao routeing waters,the  AIS shore-based system was used to collect the position data of ships passing through the waters of the Chengshanjiao channel navigation system.The local density of each ship's position points has been calculated by using the neighborhood information of these position data points to extract the navigation hotspot areas of the ship in the waters with channel navigation system at Chengshanjiao. On this basis,the characteristics of ship traffic flow in Chengshanjiao waters were analyzed, including the navigation preferences of ships of different tonnage,ships going south and northward, and the dynamic changes of ship navigation preferences in different time periods.The results show that local density reflects the local  information characteristics of ship position data points, which can reveal the relative tightness between ship location points and their adjacent location points,which can effectively solve the identification problem of ship traffic flow characteristics and realize the analysis and comparison of  dynamic changes of ship traffic flow in time and space.

Cite this article

ZHOU Shi-bo , XIONG Zhen-nan . Characteristic analysis of ship traffic flow at Chengshanjiao based on local density[J]. Journal of Dalian Maritime University, 2019 , 45(3) : 100 -105 . DOI: 10.16411/j.cnki.issn1006-7736.2019.03.014

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