Citizens as sensors: The world of volunteered geography

Research output: Contribution to journalReview article

2446 Scopus citations

Abstract

In recent months there has been an explosion of interest in using the Web to create, assemble, and disseminate geographic information provided voluntarily by individuals. Sites such as Wikimapia and OpenStreetMap are empowering citizens to create a global patchwork of geographic information, while Google Earth and other virtual globes are encouraging volunteers to develop interesting applications using their own data. I review this phenomenon, and examine associated issues: what drives people to do this, how accurate are the results, will they threaten individual privacy, and how can they augment more conventional sources? I compare this new phenomenon to more traditional citizen science and the role of the amateur in geographic observation.

Original languageEnglish (US)
Pages (from-to)211-221
Number of pages11
JournalGeoJournal
Volume69
Issue number4
DOIs
StatePublished - Aug 2007

Keywords

  • Citizen science
  • Geographic information
  • Privacy
  • Virtual globe
  • Web 2.0

ASJC Scopus subject areas

  • Geography, Planning and Development

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