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Capturing the Urban Divide in Nighttime Light Images From the International Space Station

Kuffer, Monika and Pfeffer, Karin and Sliuzas, Richard and Taubenböck, Hannes and Baud, Isa and Maarseveen, Martin van (2018) Capturing the Urban Divide in Nighttime Light Images From the International Space Station. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 11 (8), pp. 2578-2586. IEEE - Institute of Electrical and Electronics Engineers. DOI: 10.1109/JSTARS.2018.2828340 ISSN 1939-1404

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Official URL: https://ieeexplore.ieee.org/document/8362725


Earlier studies utilizing coarse resolution DMSP-OLS nighttime light (NTL) imagery suggest a negative correlation between the amount of NTL and urban deprivation. The International Space Station (ISS) NTL images offer higher Resolution images compared to DMSP-OLS or VIIRS images, allowing an analysis of intraurban NTL variations. The aim of this study is to examine the capacity of ISS images for analyzing the intraurban divide. NTL images of four cities (one African, two Asian, and one South American) have been processed and analyzed. The results show that deprived areas are generally the darker spots of built-up areas within cities, illustrating the urban divide in terms of access to street lighting. However, differences exist between cities: Deprived areas in the African city (Dar es Salaam) generally Feature lower NTL emissions compared to the examined cities in South America (Belo Horizonte) and Asia (Mumbai and Ahmedabad). Beyond, variations exist in NTL emissions across deprived Areas within cities. Deprived areas at the periphery show less NTL compared to central areas. Edges of deprived areas have higher NTL emissions compared to internal areas. NTL emission differences between types of deprived areas were detected. The correlation between ISS NTL images and population densities is weak; this can be explained by densely built-up deprived areas having less NTL compared to lower density formal areas. Our findings show ISS data complement other data to capture the urban divide between deprived and better-off areas and the need to consider socioeconomic conditions in estimating populations.

Item URL in elib:https://elib.dlr.de/122908/
Document Type:Article
Title:Capturing the Urban Divide in Nighttime Light Images From the International Space Station
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Kuffer, MonikaITC EnschedeUNSPECIFIED
Pfeffer, KarinITC EnschedeUNSPECIFIED
Sliuzas, RichardITC EnschedeUNSPECIFIED
Taubenböck, Hanneshannes.taubenboeck (at) dlr.deUNSPECIFIED
Baud, IsaTechnical University of EindhovenUNSPECIFIED
Maarseveen, Martin vanITC EnschedeUNSPECIFIED
Date:August 2018
Journal or Publication Title:IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.1109/JSTARS.2018.2828340
Page Range:pp. 2578-2586
Publisher:IEEE - Institute of Electrical and Electronics Engineers
Keywords:Deprived Areas Global South International Space Station (ISS) nighttime light (NTL) Images Slums urban remote sensing
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):R - Remote sensing and geoscience
Location: Oberpfaffenhofen
Institutes and Institutions:German Remote Sensing Data Center > Geo Risks and Civil Security
Deposited By: Taubenböck, Dr. Hannes
Deposited On:12 Nov 2018 10:36
Last Modified:12 Nov 2018 10:36

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