Quantifying Spatiotemporal Urban Sprawl Patterns in the City of Tripoli Metropolis (Libya) Over the Past Four Decades Using Satellite Data Sets

Publisher:
Springer
Publication Type:
Chapter
Citation:
Spatial Modeling and Assessment of Urban Form, 2017, pp. 313-321
Issue Date:
2017
Full metadata record
Urban development is a spatial phenomenon which reflects the increasing importance level of metropolises. In recent years, remotely sensed data and geographic information systems have been used to study and analyze urban expansions and their patterns. Tripoli, the capital of Libya, was selected in this chapter to investigate its urban sprawl patterns. Using GIS technique, remote sensing data, and by combining landscape metrics analysis, we attempted to describe and quantify the spatial pattern of urban expansion in the study area. Four satellite images of the study area from the years 1984, 1996, 2002, and 2010 were used to conduct the research. The main objectives of this work are to identify and analyze urban sprawl patterns in the Tripoli metropolitan area. Six landscape metrics were used to study and assess urban expansion in the study area. Results show that Tripoli has highly sprawled urban patterns according to its urban expansion history from 1984 to 2010. Sprawl is increasing continuously as time progresses in most regions. The highest sprawl rate was recorded from 2002 to 2010. But only two districts exhibited non-sprawling urban growth during the last two decades. The applied spatial landscape metrics provided good insight into urban sprawl from different perspectives and presented a reliable urban sprawl investigation tool. The findings of this study are useful in directing prospective urban plans and urbanization policies in Tripoli.
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