Small green areas for energy saving: effects on different urban settlements

Authors

  • Carmela Gargiulo University of Naples, Federico II
  • Andrea Tulisi University of Naples, Federico II
  • Floriana Zucaro University of Naples, Federico II

DOI:

https://doi.org/10.5821/ace.11.32.4659

Keywords:

Cooling distance, green areas, building density, energy saving.

Abstract

The aspects of sustainability, to date, emerge as a central theme within the plethora of definitions of the Smart City. In the current debate, the awareness that ICT is only one of the tools and not the key to the new design of the urban organism is growing, especially according to the new requirements to meet the needs of the present without compromising the ability of future generations to meet their own needs, placed on top of the increasingly pressing global challenges (climate change, energy, land use, etc.). One goal of urban sustainability seems to be in contradiction with one of the main points of the Smart City model: the need to densify the city, caused by the rapid population growth. If cities are designed to be more compact to optimize land use, how do we prevent the risk of town cramming?

A possible answer may come from the study of the relationship between full and empty urban spaces; the buildings on the one side, and the open spaces on the other. The equilibrium between these spaces needs to be studied in order to direct policies and interventions to correctly locate, size and design the green spaces systems, in relation to energy consumption, environmental comfort and CO2 reduction positive effects. This contribution presents the first results of a study aimed at determining the green space dimensions threshold values, which influence urban microclimate lowering temperatures, and their cooling distances, in relation to different settlement density values of the urban fabric.

Author Biographies

Carmela Gargiulo, University of Naples, Federico II

Associate professor of Urban Planning Techniques at the University of Naples Federico II. Since 1987 she has been involved in studies on the management of urban and territorial transformations. Since 2004, she has been Member of the Researcher Doctorate in Hydraulic, Transport and Territorial Systems Engineering of the University of Naples “Federico II”. She is Member of the Committee of the Civil, Architectural and Environmental Engineering Department of the University of Naples “Federico II”. Her research interests focus on the processes of urban requalification, on relationships between urban transformations and mobility, and on the estate exploitation produced by urban transformations. On these subjects she has co-ordinated research teams within National Project such as Progetto Finalizzato Edilizia - Sottoprogetto “Processi e procedure” (Targeted Project on Building – Subproject “Processes and procedures), from 1992 to 1994; Progetto Strategico Aree Metropolitane e Ambiente, (Strategic Project Metropolitan Areas and Environment) from 1994 to 1995; PRIN project on the “Impacts of mobility policies on urban transformability, environment and property market” from 2011 to 2013. Scientific Responsible of the Project Smart Energy Master for the energy management of territory financed by PON 04A2_00120 R&C Axis II, from 2012 to 2015. She is author of more than 120 publications.

Andrea Tulisi, University of Naples, Federico II

Architect, graduated in Architecture from the University Federico II in Naples in 2006. In January 2014 he holds a PhD in Environmental Technology with a research focus on rehabilitation strategies for semi-enclosed spaces in the “Compact City”. He is currently involved within the project Smart Energy Master with DICEA department of the University of Naples Federico II; his research activity is focused on the link between urban open spaces and energy consumption.

Floriana Zucaro, University of Naples, Federico II

Engineer, graduated in Environmental and Territorial Engineering at the University of Naples Federico I I with a specialization in management of urban and territorial transformations. In  2015 she holds a PhD in Hydraulic, Transport and Territorial Systems Engineering at the Department of Civil, Building and Environmental Engineering – University of Naples Federico II. Since 2014 she has been a scholarship holder within the Project Smart Energy Master for the energy management of territory financed by PON 04A2_00120 R&C Axis II, from 2012 to 2015. Her research activity is focused on the integration of land use planning, sustainable mobility and energy saving policies in urban contests.

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Published

2016-11-02

Issue

Year 11, issue 32 (Oct. 2016)

Section

Article's section

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