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Extensive green roofs8/12/2023 ![]() Finally, a comprehensive ranking was created based on the scores to identify which extensive green roof combinations offered the highest performance. Furthermore, indexes based on the surface temperatures of green roofs were used. Several combinations (30 plant-substrate configurations, six vegetative species and five types of substrates) were defined and evaluated. Different simulations executed in EnergyPlus were carried out based on realistic literature data drawn from previous experimental tests conducted on plants and substrates. Therefore, the objective of this research is to investigate different extensive green roof solutions for assessing thermal performance and to provide information on vegetation and substrate layer design. Energy simulation software typically does not use validated models encompassing all possible combinations of vegetation layers and substrates. The uncertainties surrounding green roof performance modeling are mainly related to the vegetation and substrate layer, which are subjected to surrounding climatic conditions. The effectiveness and performance of green roofs depend on layer composition and properties. They increase sustainability, resilience and Return of Investment when fully integrated with one or more Green Roof types.Green roofing is a sustainable solution for building energy saving, urban heat island mitigation, rainwater management and pollutant absorption. We do have all the data we need.įor example Solar Garden Roofs and Blue Green Roofs are Green Roof types that are future oriented. In short, combat Climate Change by doing and not by researching. Especially in North America, means and methods of Green Roof installation techniques lack far behind most European countries. The time of sitting in a climate controlled laboratory is over! The industry needs hands-on people who do the hard work at any weather for the installation of Green Roofs. Basically, all Green Roof benefits are confirmed endlessly.īased on the environmental challanges the next generations will face, it is now time investing research funds into massive Green Roof installations of all types. However, all research came to almost the same results in their snapshots. Therefore, in most research we criticized the lack of common sense, considerations for Climate Change, and not using standardized materials or methods. Moreover, Green Roof Technology massively supported Green Roof research in different countries over the last three 3 decades. In other words: We have common (horticultural) sense. Our tailored Green Roof solutions are prepared for the uncertain future and for existing Green Roofs we have smart solutions to adjust without replacement. With respect of Climate Change data from existing Green Roofs research will get obsolete soon. ![]() ![]() For that reason, crafting Green Roofs for over 40 years is an advantage. ![]() Especially, the increase of extreme weather patterns requires new the means and measures for managing natural succession continuously. In other words, there is a chance that the type of Green Roof will alter. Green Roof maintenance can manage the general timeline for natural succession, but it cannot stop nature by doing her thing. As horticulturalists, we know that nature or any plant community lives through natural succession. airborne seeds), and that some plants get replaced, the Green Roof undergoes changes. However, such a plant community is only a snap shot of this moment.īecause we all know that plants grow, that other plants come in (e.g. For instance, if a professional chooses a specific plant selection for a Green Roof, it is called an intended or desired plant community.
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