Chapter 2.3 - Green Roofs Classifications, Plant Species, Substrates
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Evapotranspiration rates and evapotranspirative cooling of green façades under different irrigation scenarios
2022, Energy and BuildingsCitation Excerpt :Green walls are a method of reintroducing vegetation and perviousness into city landscapes to help remediate the urban hydrological cycle closer to predevelopment conditions. They provide numerous environmental and social benefits, such as lowering local air temperatures [57] and lowering building energy costs [16,49]. Experimental studies showed that the green walls increase passive cooling by increasing evapotranspiration (ET) [21], which includes evaporation from soil and plant surfaces as well as transpiration of water from plant leaves [7,49,10,34,59].
Vegetative and thermal performance of an extensive vegetated roof located in the urban heat island of a semiarid region
2022, Building and EnvironmentRe-thinking the Technosol design for greenery systems: Challenges for the provision of ecosystem services in semiarid and arid cities
2020, Journal of Arid EnvironmentsA revised terminology for vegetated rooftops based on function and vegetation
2020, Urban Forestry and Urban GreeningCitation Excerpt :With evolving green roof research, planning, design and policies, it is essential that everyone speaks the same language, i.e., uses as efficient and standardized terminology as possible. Recently, it has been argued that the classification of various green roof types is well established and that several guidelines and standards guarantee the uniformity and quality of green roof solutions (Pérez and Coma, 2018). However, as green roof research is booming (see Fig. 1), current terminology is insufficient, and the linguistic uncertainty it creates (see Regan et al., 2002) leads to misunderstandings in applied fields, and to weak scientific hypotheses, poorly comparable results, and thus, overall confusion (cf. Peters, 1991).
Environmental performances and energy efficiencies of various urban green infrastructures: A life-cycle assessment
2020, Journal of Cleaner ProductionCitation Excerpt :The thickness and weight of the substrate vary with types of green roofs. For the semi-intensive green roof, the thickness of substrate ranges from 100 to 250 mm, and the weight at maximum water capacity should not exceed 350 kg m−2 (Pérez and Coma, 2018). Substrates usually consists of approximately 20% organic matter including peat, expanded clay, compost, coir, peat and pine bark, and 80% mineral matter including sand, zeolite, pumice, crushed brick, broken tiles and perlite (Lata et al., 2018; Peri et al., 2012; Vacek et al., 2017).