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Case Study: Impact Analysis of Roof-Top Green Infrastructure on Urban System Sustainability in San José, CA

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  • Indumathi Jeyachandran

    (Department of Civil and Environmental Engineering, San José State University, San Jose, CA 95192, USA)

  • Juneseok Lee

    (Department of Civil and Environmental Engineering, Manhattan University, Riverdale, NY 10471, USA)

Abstract

This paper presents results from a case study focusing on analyzing impacts of Green Infrastructure (GI) on sensible and latent heat fluxes, urban microclimate and the subsequent water–energy nexus components of an urban infrastructure system. The case study, focusing on the campus of a public university in San José, CA, aimed to quantify the pre- and post-conditions for a hypothetical GI implementation, which is in support of San José State University’s (SJSU) robust sustainability initiatives, which are also aligned with Silicon Valley’s broader strategic goals. The results revealed that a reduction of 0.3 °C in the average daily peak maximum temperature on campus could be achieved by the GI implementation. Air-conditioning related energy use was projected to decrease by 1.28%, monthly water use by 7052 m 3 , and it would result in an estimated reduction of approximately 2800 kWh in the water–energy nexus. In addition to lowering the campus’s carbon footprint, GI therefore offers significant economic and environmental benefits in terms of reductions in the urban air temperature, energy usage and water demand. This study provides valuable information for policy makers and low impact development water infrastructure managers considering GI implementation.

Suggested Citation

  • Indumathi Jeyachandran & Juneseok Lee, 2024. "Case Study: Impact Analysis of Roof-Top Green Infrastructure on Urban System Sustainability in San José, CA," Sustainability, MDPI, vol. 16(22), pages 1-12, November.
    • Handle: RePEc:gam:jsusta:v:16:y:2024:i:22:p:9781-:d:1517418
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    References listed on IDEAS

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    5. Aboelata, Amir, 2021. "Assessment of green roof benefits on buildings’ energy-saving by cooling outdoor spaces in different urban densities in arid cities," Energy, Elsevier, vol. 219(C).
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