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Empirical Ship Domain based on AIS Data

Published online by Cambridge University Press:  01 August 2013

Martin Gamborg Hansen ,
Toke Koldborg Jensen ,
Tue Lehn-Schiøler ,
Kristina Melchild ,
Finn Mølsted Rasmussen  and
Finn Ennemark
Martin Gamborg Hansen*
Affiliation:
(Rambøll, Hannemanns Allé 53, DK-2300 København S)
Toke Koldborg Jensen
Affiliation:
(Rambøll, Hannemanns Allé 53, DK-2300 København S)
Tue Lehn-Schiøler
Affiliation:
(Rambøll, Hannemanns Allé 53, DK-2300 København S)
Kristina Melchild
Affiliation:
(Rambøll, Hannemanns Allé 53, DK-2300 København S)
Finn Mølsted Rasmussen
Affiliation:
(Rambøll, Hannemanns Allé 53, DK-2300 København S)
Finn Ennemark
Affiliation:
(Femern A/S Vester Søgade 10, 1601 København V)
*
(E-mail: MAGH@ramboll.dk)
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Abstract

In this paper the minimum ship domain in which a navigator feels comfortable is estimated. That is, we estimate the free space surrounding a ship into which no other ship or object should enter. This is very useful when estimating the maximum flow through a channel or a bridge span. The paper benefits from the introduction of Automatic Identification System (AIS) data as it is now much easier to conduct studies involving a large number of observations. Our observations are based on ships sailing in southern Danish waters during a four year period, and from the observations we estimate how closely ships pass each other and fixed objects in open sea navigation. The main result is the establishment of an empirical minimum ship domain related to a comfortable navigational distance.

Keywords

Comfort ellipseNavigationShip domain theoryTraffic flow
Type
Research Article
Information
The Journal of Navigation , Volume 66 , Issue 6 , November 2013 , pp. 931 - 940
Copyright
Copyright © The Royal Institute of Navigation 2013 

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References

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