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Natural Hazards and Earth System Sciences An interactive open-access journal of the European Geosciences Union
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Volume 14, issue 4 | Copyright
Nat. Hazards Earth Syst. Sci., 14, 1007-1015, 2014
https://doi.org/10.5194/nhess-14-1007-2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 28 Apr 2014

Research article | 28 Apr 2014

Road assessment after flood events using non-authoritative data

E. Schnebele1, G. Cervone2, and N. Waters3 E. Schnebele et al.
  • 1Department of Geography and Geoinformation Science, George Mason University, Fairfax, VA 22030, USA
  • 2Department of Geography and Institute for CyberScience, The Pennsylvania State University, University Park, PA 16802, USA
  • 3Center for Excellence in GIS, George Mason University, Fairfax, VA 22030, USA

Abstract. This research proposes a methodology that leverages non-authoritative data to augment flood extent mapping and the evaluation of transportation infrastructure. The novelty of this approach is the application of freely available, non-authoritative data and its integration with established data and methods. Crowdsourced photos and volunteered geographic data are fused together using a geostatistical interpolation to create an estimation of flood damage in New York City following Hurricane Sandy. This damage assessment is utilized to augment an authoritative storm surge map as well as to create a road damage map for the affected region.

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