Journal article

Substrate depth, vegetation and irrigation affect green roof thermal performance in a Mediterranean type climate

A Pianella, L AYE, Z Chen, NSG Williams

Sustainability | MDPI AG | Published : 2017

DOI: 10.3390/su9081451

Abstract

Green roofs are consistently being used to reduce some of the negative environmental impacts of cities. The increasing interest in extensive green roofs requires refined studies on their design and operation, and on the effects of their relevant parameters on green roof thermal performance. The effects of two design parameters, substrate thickness (ST) and conductivity of dry soil (CDS), and four operating parameters, leaf area index (LAI), leaf reflectivity (LR), stomatal resistance (SR), and moisture content (MC), were investigated using the green roof computer model developed by Sailor in 2008. The computer simulations showed that among the operating parameters, LAI has the largest effect..

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Keywords

Mitigation
Environmental Sciences
Science & Technology
Science & Technology - Other Topics
Energy Efficient Buildings
Heat Flux
Dynamics
Environmental Studies
Sustainable Buildings and Cities
Green Roof
Substrate
Climate Change Mitigation
State
Environmental Sciences & Ecology
Model
Green & Sustainable Science & Technology
Urban Heat-Island
Thermal Performance
Energy Savings
Life Sciences & Biomedicine
Parametric Analysis