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Sustainability 2016, 8(9), 830; doi:10.3390/su8090830

Underground Potential for Urban Sustainability: Mapping Resources and Their Interactions with the Deep City Method

Laboratory of Environmental and Urban Economics (LEURE), École polytechnique fédérale de Lausanne (EPFL), Station 16, CH-1015 Lausanne, Switzerland
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Academic Editors: Philipp Aerni and Amy Glasmeier
Received: 13 June 2016 / Revised: 16 August 2016 / Accepted: 16 August 2016 / Published: 25 August 2016
(This article belongs to the Special Issue A Contextual and Dynamic Understanding of Sustainable Urbanisation)
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Abstract

In the process of urban growth, the underground is often only addressed once all surface alternatives have been exhausted. Experience shows that this can lead to unforeseen conflicts (e.g., subsidence, groundwater pollution) and to lost opportunities (e.g., combined geothermal systems and building foundations or recycling of excavation materials). One challenge is how the underground potentials are assessed by urban actors; data collection, analysis and visualization for the different resources are often conducted in separate disciplinary corners and administrative divisions. This paper presents a mapping method developed within the Deep City project at the Swiss Federal Institute of Technology in Lausanne (EPFL) and its application to San Antonio, Texas. San Antonio is interesting in its lack of major underground infrastructure and its few means and political support for short-term underground development. We will specifically look at the production of a series of interaction maps, an original mapping strategy that is complementary to the resource potential maps we have produced in prior work. After situating this research within larger theoretical and philosophical questions, we will show how mapping the combined potentiality of underground resources can serve as a compass for future interdisciplinary discussions that address the urban underground as a source of opportunity, rather than as an afterthought. View Full-Text
Keywords: urban underground; mapping; potentiality; geology; urban planning; sustainable development urban underground; mapping; potentiality; geology; urban planning; sustainable development
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Doyle, M.R.; Thalmann, P.; Parriaux, A. Underground Potential for Urban Sustainability: Mapping Resources and Their Interactions with the Deep City Method. Sustainability 2016, 8, 830.

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