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Monitoring urbanization in mega cities from space

Taubenböck, Hannes and Esch, Thomas and Felbier, Andreas and Wiesner, Michael and Roth, Achim and Dech, Stefan (2012) Monitoring urbanization in mega cities from space. Remote Sensing of Environment, 117, pp. 162-176. Elsevier.

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Abstract

Mega cities, the largest category of urban agglomerations, attract considerable attention because of their population size, economic, socio-cultural, environmental and political influence and geographical complexity. Until 1975 there were just three mega cities in the world: New York, Tokyo and Mexico City — today there are 27 cities having more than the defined 10 million inhabitants. This paper presents a straight forward, application- oriented approach using multi-temporal remotely sensed data to systematically monitor the spatiotemporal dynamics of the world's urban giants. Object-oriented and pixel-based classification image analysis techniques are applied to Landsat as well as to TerraSAR-X data in order to define urbanized areas of the mega cities at different points of time. Subsequently post-classification change detection is performed on urban footprint level. With time intervals of about 10 years almost 40 years of urbanization are monitored, showing different dimensions, dynamics and patterns across the analyzed cities. The generated urban footprint products show accuracies consistently higher than 80%, allowing for further applications in fields such as urban planning, risk management, or population assessment.

Item URL in elib:https://elib.dlr.de/74779/
Document Type:Article
Title:Monitoring urbanization in mega cities from space
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Taubenböck, Hanneshannes.taubenboeck (at) dlr.deUNSPECIFIED
Esch, ThomasThomas.Esch (at) dlr.deUNSPECIFIED
Felbier, Andreasandreas.felbier (at) dlr.deUNSPECIFIED
Wiesner, MichaelUniversität WürzburgUNSPECIFIED
Roth, AchimAchim.Roth (at) dlr.deUNSPECIFIED
Dech, Stefanstefan.dech (at) dlr.deUNSPECIFIED
Date:February 2012
Journal or Publication Title:Remote Sensing of Environment
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:117
Page Range:pp. 162-176
Publisher:Elsevier
Status:Published
Keywords:Urbanization, Mega cities, Landsat, TerraSAR-X, Change detection, Image analysis
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 - Vorhaben Prozesse der Landoberfläche (old)
Location: Oberpfaffenhofen
Institutes and Institutions:German Remote Sensing Data Center > Land Surface
Deposited By: Taubenböck, Dr. Hannes
Deposited On:22 Feb 2012 12:11
Last Modified:10 Jan 2019 15:50

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