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ISPRS Int. J. Geo-Inf. 2018, 7(11), 428; https://doi.org/10.3390/ijgi7110428

The Scope of Earth-Observation to Improve the Consistency of the SDG Slum Indicator

1
Faculty of Geo-Information Science and Earth Observation (ITC), University of Twente, 7514 AE Enschede, The Netherlands
2
Department of Philosophy, University of Twente, 7522 NB Enschede, The Netherlands
*
Author to whom correspondence should be addressed.
Received: 31 August 2018 / Revised: 10 October 2018 / Accepted: 27 October 2018 / Published: 1 November 2018
(This article belongs to the Special Issue Geo-Information and the Sustainable Development Goals (SDGs))
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Abstract

The continuous increase in deprived living conditions in many cities of the Global South contradicts efforts to make cities inclusive, safe, resilient, and sustainable places. Using examples of Asian, African, and Latin American cities, this study shows the scope and limits of earth observation (EO)-based mapping of deprived living conditions in support of providing consistent global information for the SDG indicator 11.1.1 “proportion of urban population living in slums, informal settlements or inadequate housing”. At the technical level, we compare several EO-based methods and imagery for mapping deprived living conditions, discussing their ability to map such areas including differences in terms of accuracy and performance at the city scale. At the operational level, we compare available municipal maps showing identified deprived areas with the spatial extent of morphological mapped areas of deprived living conditions (using EO) at the city scale, discussing the reasons for inconsistencies between municipal and EO-based maps. We provide an outlook on how EO-based mapping of deprived living conditions could contribute to a global spatial information base to support targeting of deprived living conditions in support of the SDG Goal 11.1.1 indicator, when uncertainties and ethical considerations on data provision are well addressed. View Full-Text
Keywords: deprived living conditions; slum; informal settlement; inadequate housing; Sustainable Development Goals (SDGs); remote sensing; global urban data; uncertainties; geo-ethics deprived living conditions; slum; informal settlement; inadequate housing; Sustainable Development Goals (SDGs); remote sensing; global urban data; uncertainties; geo-ethics
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Kuffer, M.; Wang, J.; Nagenborg, M.; Pfeffer, K.; Kohli, D.; Sliuzas, R.; Persello, C. The Scope of Earth-Observation to Improve the Consistency of the SDG Slum Indicator. ISPRS Int. J. Geo-Inf. 2018, 7, 428.

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