Abstract
Increasing urbanisation and sub-optimal locations of urban amenities and utilities has resulted in many cities facing environmental, land use and socio-economic challenges. This can be mitigated by the implementation of cost-effective urban development plans and policies together with an in-depth understanding of the interactions existing between urban natural and human systems, an undertaking reliably aided by geospatial technologies notably Remote Sensing, Geographical Information Systems, Global Positioning System and Photogrammetry. Over the year, this has enabled geospatial technology to gain primacy in the urban study areas such as the modelling of urban morphology, development of urban plans and in the study of other urbanization phenomena such as heat balance, air quality and transportation management among others. However, the accuracy, validity and reliability of the by-products of such operations are dependent on the quality of the datasets used. This paper is therefore anchored on an understanding of urban morphology, factors determining its changes over time and demonstrated achievements of the utility of geospatial technology in the study of the same. The paper concludes with policy implications for the applications of the geospatial technology in urban studies.
Highlights
Cities are dynamic in response to their environmental afflictions over time
The purpose of this paper is to review the trends in the application of geospatial technology in urban morphology data capture and studies
Other achievements in geospatial technology have been in the areas of harmonisation and synthesis of data from different sensors alongside satellite remote sensing constellation which has enabled global coverage in 13 days [33]
Summary
Cities are dynamic in response to their environmental afflictions over time. a review of urban research in the developing countries reveals that even though research proposals in the 1990s prioritised urbanisation and allied environmental topics, there is scanty evidence of those researches having been completed and disseminated [37]. Advancements in computer technology in both hardware and software, developments in computer-aided cartography and graphics, new sources of geographic information such as the Global Positioning System and high-resolution satellite imageries and influx of internet technology have revolutionized spatial data collection and processing to support numerous applications and geospatial decision-making. Scientists are utilising the geospatial technology to collect and manage spatial data, measure, model and visualise spatial relationships, monitor urban environmental changes by establishing the nature, magnitude, trends and patterns of such changes. This has made the technology more relevant and appropriate in sustainable urban development
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