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首页> 外文期刊>Ocean Engineering >Study of travel behavior of vessels in narrow waterways using AIS data - A case study in Sabine-Neches Waterways
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Study of travel behavior of vessels in narrow waterways using AIS data - A case study in Sabine-Neches Waterways

机译：利用AIS数据研究狭窄水道中船舶的行驶行为-以Sabine-Neches水道为例

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This paper proposed an AIS data based method of studying travel behavior of vessels when passing through a hotspot in a narrow waterway, by building their trip information within this hotspot. With trip information, all trips in a hotspot can be divided into three categories: inbound, outbound and moored. The last one refers to the trips that have ever stopped in a hotspot. Such stopping behavior is expected to be different from those directly passing through a hotspot without any stopping. If not excluding these trips, the revealed behavior pattern may be bias, especially when considering speed distributions. This proposed method was applied to the three hotspots in the Sabine-Neches Waterways (SNWW), identified through the analysis of vessel conflicts along the whole SNWW using MS data collected in the whole year of 2012: more than 10% of total vessel conflicts occurred within these three hotspots. We also investigated the distributions of flow speeds and densities, as well as their relationships at these hotspots, respectively. The findings reveal the travel patterns of inbound and outbound trips passing these three hotspots in the SNWW, considering the heterogeneous behavior of different types of vessels. These revealed patterns also help examine the risk of vessel collisions at these three spots, respectively.
机译：本文提出了一种基于AIS数据的方法，通过建立在该热点内的航行信息，研究船只在狭窄水道中通过热点时的行驶行为。利用行程信息，可以将热点中的所有行程分为三类：入站，出站和系泊。最后一个是指曾经在某个热点停留的行程。预期这种停止行为与不经过任何停止而直接通过热点的停止行为不同。如果不排除这些行程，则显示的行为模式可能会有偏差，尤其是在考虑速度分布时。该提议的方法应用于萨宾-内奇河道（SNWW）的三个热点，通过使用2012年全年收集的MS数据分析了整个SNWW上的船只冲突，确定了该问题：发生了总船只冲突的10％以上在这三个热点中。我们还分别研究了这些热点处的流速和密度分布及其关系。该发现揭示了考虑到不同类型船舶的异质性行为，来回穿越SNWW中这三个热点的出入境旅行的旅行方式。这些揭示的模式还有助于分别检查在这三个位置发生船只碰撞的风险。

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