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Figure 6: Thermally-most-pleasant spaces according to participants in Rome during summer and winter walks. In Rome, Piazza Cairoli (point F), the square with vegetation and water features, was voted as the space with the most pleasant thermal aspect for both seasons (Fig. 6). The results of the end-of walk evaluation of thermally-pleasant spaces seem to correspond to the findings from the multi-parametric matrix analysis of the thermal walk and the variation in ASV (Fig. 3 & 4).

Figure 6 Thermally-most-pleasant spaces according to participants in Rome during summer and winter walks. In Rome, Piazza Cairoli (point F), the square with vegetation and water features, was voted as the space with the most pleasant thermal aspect for both seasons (Fig. 6). The results of the end-of walk evaluation of thermally-pleasant spaces seem to correspond to the findings from the multi-parametric matrix analysis of the thermal walk and the variation in ASV (Fig. 3 & 4).

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Figure I: The two »case study routes in London (top) and Rome (bottom). Two pedestrian study areas with similar variations in their geometric descriptors were carefully selected in two different latitudes (London, UK and Rome, Italy) to represent respectively the cool and temperate climate zone. Each route is characterised by three urban squares that are connected with short segments of streets, with a sequential differentiation in their geometric descriptors (aspect ratio and sky view factor).
Figure I: The two »case study routes in London (top) and Rome (bottom). Two pedestrian study areas with similar variations in their geometric descriptors were carefully selected in two different latitudes (London, UK and Rome, Italy) to represent respectively the cool and temperate climate zone. Each route is characterised by three urban squares that are connected with short segments of streets, with a sequential differentiation in their geometric descriptors (aspect ratio and sky view factor).
Table 1: Average measured microclimatic conditions for the two locations, Rome and London. The weather conditions that occurred during the fieldwork are presented in Table 1. There is a significant difference in air temperature for both Rome and London, with mean summer air temperature of 31°C and 19°C respectively. Winter mean temperature is more similar for both locations, at 6-9 °C. Relative humidity is similar for both locations, at 40% during summer and 52-57% during winter. Thermal preferences (Fig. 2) differ between case studies and seasons. During summer, participants in Rome prefer to be cooler (78%), whereas in London, 56% of participants prefer to be warmer and 40% prefer no change. In winter Rome, 67% of participants prefer to be warmer.
Table 1: Average measured microclimatic conditions for the two locations, Rome and London. The weather conditions that occurred during the fieldwork are presented in Table 1. There is a significant difference in air temperature for both Rome and London, with mean summer air temperature of 31°C and 19°C respectively. Winter mean temperature is more similar for both locations, at 6-9 °C. Relative humidity is similar for both locations, at 40% during summer and 52-57% during winter. Thermal preferences (Fig. 2) differ between case studies and seasons. During summer, participants in Rome prefer to be cooler (78%), whereas in London, 56% of participants prefer to be warmer and 40% prefer no change. In winter Rome, 67% of participants prefer to be warmer.
Figure 2: Thermal preferences in Rome (winter and summer) and London (summer).
Figure 2: Thermal preferences in Rome (winter and summer) and London (summer).
Figure 4: Multi-parametric matrix shows the relation between the ASV, actual climatic data and geometric descriptors of the winter thermal walks in Rome. ASV variation in winter Rome at 12 noon is related to the H/W ratio of each focus point.
Figure 4: Multi-parametric matrix shows the relation between the ASV, actual climatic data and geometric descriptors of the winter thermal walks in Rome. ASV variation in winter Rome at 12 noon is related to the H/W ratio of each focus point.
Figure 5: ASV variation during walks in London (summer).
Figure 5: ASV variation during walks in London (summer).
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