Building a crowd-sourcing tool for the validation of urban extent and gridded population

Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549, See, L. ORCID: https://orcid.org/0000-0002-2665-7065, McCallum, I. ORCID: https://orcid.org/0000-0002-5812-9988, Schill, C., Perger, C., & Obersteiner, M. ORCID: https://orcid.org/0000-0001-6981-2769 (2011). Building a crowd-sourcing tool for the validation of urban extent and gridded population. In: Computational Science and Its Applications - ICCSA 2011. Eds. Murgante, B, Gervasi, O, & Iglesias, A, Heidelberg: Springer. 10.1007/978-3-642-21887-3_4.

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Abstract

This paper provides an overview of the crowd-sourcing tool Geo-Wiki, which is used to collect in-situ land cover validation data from the public. This tool is now being modularized in order to allow for domain specific land cover validation. Agriculture and biomass versions of Geo-Wiki are already operational. The next module, which is called urban.geo-wiki.org, is aimed at the validation of urban extent and gridded population data. The aim of this paper is to outline the structure of this module and the datasets that will aid in the validation of this land cover type and gridded population data. The ultimate aim of Geo-Wiki is to produce a hybrid land cover map that is better than existing products, including estimates of urban extent.

Item Type:	Book Section
Uncontrolled Keywords:	Crowd-sourcing; Urban areas; Land cover validation; Google Earth
Research Programs:	Ecosystems Services and Management (ESM) Forestry (FOR)
Bibliographic Reference:	In: B Murgante, O Gervasi, A Iglesias, et al. (eds); Computational Science and Its Applications - ICCSA 2011; Springer, Heidelberg, Germany pp.39-50
Depositing User:	IIASA Import
Date Deposited:	15 Jan 2016 08:45
Last Modified:	19 Oct 2022 05:00
URI:	https://pure.iiasa.ac.at/9691

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