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dc.contributor.author
Garnier, Simon
dc.contributor.author
Helbing, Dirk
dc.contributor.author
Theraulaz, Guy
dc.contributor.author
Moussaïd, Mehdi
dc.contributor.author
Perozo, Niriaska
dc.date.accessioned
2018-09-06T11:46:32Z
dc.date.available
2017-06-08T22:44:05Z
dc.date.available
2018-09-06T11:46:32Z
dc.date.issued
2010-04-07
dc.identifier.issn
1932-6203
dc.identifier.other
10.1371/journal.pone.0010047
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/17721
dc.identifier.doi
10.3929/ethz-b-000017721
dc.description.abstract
Human crowd motion is mainly driven by self-organized processes based on local interactions among pedestrians. While most studies of crowd behaviour consider only interactions among isolated individuals, it turns out that up to 70% of people in a crowd are actually moving in groups, such as friends, couples, or families walking together. These groups constitute medium-scale aggregated structures and their impact on crowd dynamics is still largely unknown. In this work, we analyze the motion of approximately 1500 pedestrian groups under natural condition, and show that social interactions among group members generate typical group walking patterns that influence crowd dynamics. At low density, group members tend to walk side by side, forming a line perpendicular to the walking direction. As the density increases, however, the linear walking formation is bent forward, turning it into a V-like pattern. These spatial patterns can be well described by a model based on social communication between group members. We show that the V-like walking pattern facilitates social interactions within the group, but reduces the flow because of its “non-aerodynamic” shape. Therefore, when crowd density increases, the group organization results from a trade-off between walking faster and facilitating social exchange. These insights demonstrate that crowd dynamics is not only determined by physical constraints induced by other pedestrians and the environment, but also significantly by communicative, social interactions among individuals.
en_US
dc.format
application/pdf
en_US
dc.language.iso
en
en_US
dc.publisher
Public Library of Science
en_US
dc.rights.uri
http://creativecommons.org/licenses/by/3.0/
dc.title
The Walking Behaviour of Pedestrian Social Groups and Its Impact on Crowd Dynamics
en_US
dc.type
Journal Article
dc.rights.license
Creative Commons Attribution 3.0 Unported
ethz.journal.title
PLoS ONE
ethz.journal.volume
5
en_US
ethz.journal.issue
4
en_US
ethz.journal.abbreviated
PLoS ONE
ethz.pages.start
e10047
en_US
ethz.size
7 p.
en_US
ethz.version.deposit
publishedVersion
en_US
ethz.identifier.wos
ethz.publication.place
S.l.
en_US
ethz.publication.status
published
en_US
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02045 - Dep. Geistes-, Sozial- u. Staatswiss. / Dep. of Humanities, Social and Pol.Sc.::03784 - Helbing, Dirk / Helbing, Dirk
en_US
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02045 - Dep. Geistes-, Sozial- u. Staatswiss. / Dep. of Humanities, Social and Pol.Sc.::03784 - Helbing, Dirk / Helbing, Dirk
ethz.date.deposited
2017-06-08T22:44:27Z
ethz.source
ECIT
ethz.identifier.importid
imp59364c808564e71978
ethz.ecitpid
pub:29713
ethz.eth
yes
en_US
ethz.availability
Open access
en_US
ethz.rosetta.installDate
2017-07-14T14:19:13Z
ethz.rosetta.lastUpdated
2021-02-15T01:33:32Z
ethz.rosetta.versionExported
true
ethz.COinS
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