Page 76 - Studia Universitatis Hereditati, vol 12(2) (2024)

Table 5. The Area Covered by the Sound of Bells (km ) Shown per Sound Levels (dB)
2
2
Coverage area (km ) by the sound levels
# General description of weather conditions
05-15 dB 15-30 dB 30-45 dB 45-60 dB 60-90 dB Total
A.1. As measured onsite (no wind) 7.12 7.9 1.17 0.28 0.0285 16.49
A.2. As measured onsite, but with the most favorable wind conditions 3.56 1.49 0.21 0.04 0.0157 5.32
B.1. Extremely cold and calm winter day 6.57 6.08 0.89 0.24 0.0271 13.8
B.2. Extremely cold and windy winter day 2.48 0.95 0.18 0.02 0.0054 3.64
C.1. Extremely hot and calm summer day 4.97 4.53 0.8 0.22 0.0263 10.55
C.2. Extremely hot and windy summer day 1.88 0.97 0.17 0.02 0.005 3.04

spectively) at a level between 15 and 30 dB un- propagation area is shrunk by 3 to 4 times (tab.
76 der no-wind conditions. In contrast, the church 5). Only in scenario A.2., which includes the ‘fa-
Sant Andreu de València d’Àneu (number 10 on vorable wind’ blowing from the church San-
studia universitatis hereditati, letnik 12 (2024), številka 2 / volume 12 (2024), number 2
the map) is on the border area in scenarios A.1. ta Maria d’Àneu towards the village Esterri
and B.1. d’Àneu, does the bell sound reach the church-
The scenarios that include wind are pre- es Sant Vicenç d’Esterri d’Àneu and Sant Martí
sented in the right column (fig. 6, A.2., B.2., and d’Escalarre (numbers 12 and 14 on the map, re-
C.2.). When the wind is introduced, the sound spectively) at a level between 5 and 15 dB. In B.2.,

Figure 7: Individual Viewshed from Santa Maria d’Àneu