Abstract
Since the middle of the 1980s, there has been a demand for urban centres to be more sustainable. City planners and administrators have had to lean towards the various city sustainability concepts in their schemes. The concept of “sustainable city” which became prominent as a progenitor for the others can still be deployed as the basis for most of the newer concepts. More recent concepts like “smart city” and “resilient city” have their essence in high technology and socio-environmental ideals that relate more with post-modern living. The urban form which is the most physical entity in the city is always evolving. The implementation of these concepts are likely to impact on the urban form in a way that may alter its organic or planned evolution. This study is a bibliometric survey of 5 of the urban sustainability concepts and their relevance in urban morphology. The paper analyses the core issues in each of the concepts and relates them to the aspects of the urban form they are more likely to alter with a view of how such effects may determine the morphology. The five city sustainability concepts for this research are easily the most common with reference to SCI and SSCI databases and are therefore more relevant to current research. They are sustainable city, smart city, eco-city, low carbon city and green city. Green city and eco city may result in less compact urban forms while the rest are explicitly supportive of more compact urban forms.
Highlights
Urban morphology attracts a diverse field of disciplines
The objective of this research is to examine the likely outcome of implementing some ideals in environmental sustainability on urban morphology
When reference is made to the spatial dimension, the design and sustenance of the built environment in recent times is concerned with the impact of climate change
Summary
Urban morphology attracts a diverse field of disciplines. This diversity is an indication of how complex the understanding of urban form can be. Comprehensive research and review of the urban form have been carried out previously [1,2,3,4]. The objective of this research is to examine the likely outcome of implementing some ideals in environmental sustainability on urban morphology. In human-environmental studies, the environment is either resilient or will change when human activity is impacted on it. In changing, it may change temporarily or assume a fresh threshold [5]
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