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Journal of Spatial ScienceVolume 62, Issue 1, 2 January 2017, Pages 69-83

Land change dynamics: insights from Intensity Analysis applied to an African emerging city(Review)

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  • aSchool of Architecture and The Built Environment, University of Rwanda, Kigali, Rwanda
  • bSchool of Geography, Clark University, Worcester, MA, United States
  • cWorld Bank, Washington, DC, United States
  • dEarth and Environmental Science Department, College of Sciences, Botswana International University of Science and Technology, Private Bag 16, Palapye, Botswana

Abstract

Land change in Kigali, Rwanda, is examined using Intensity Analysis, which measures the temporal stationarity of changes among categories. Maps for 1981, 2002 and 2014 were produced that show the land categories Built, Vegetated and Other, which is composed mainly of croplands and bare surfaces. Land change accelerated from the first time interval (1981–2002) to the second time interval (2002–2014), as increased human and economic activities drove land transformation. During the first interval, Vegetated showed net loss whereas Built showed net gain, in spite of a small transition directly from Vegetated to Built. During the second interval, Vegetated showed net gain whereas Built showed nearly equal amounts of gross loss and gross gain. The gain of Built targeted Other during both time intervals. A substantial portion of overall change during both time intervals consisted of simultaneous transitions from Vegetated to Other in some locations and from Other to Vegetated in other locations. © 2016 Mapping Sciences Institute, Australia and Surveying and Spatial Sciences Institute.

Author keywords

categoryIntensity AnalysisLand changestationarytransitionurbanization

Indexed keywords

GEOBASE Subject Index:land use changeurban areaurbanization
Regional Index:KigaliRwanda
  • ISSN: 14498596
  • Source Type: Journal
  • Original language: English
  • DOI: 10.1080/14498596.2016.1196624
  • Document Type: Review
  • Publisher: Mapping Sciences Institute Australia

  Akinyemi, F.O.; School of Architecture and The Built Environment, University of Rwanda, Kigali, Rwanda;
© Copyright 2017 Elsevier B.V., All rights reserved.

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