Table 3 Comparison between the temperature values obtained from images and measured by the eight thermocouples installed on some roofs. Residuals refer to the day-night differences.
From: Estimation of apparent thermal inertia of roofing materials from aerial thermal imagery
Point | Area | Class | Thermal images | Thermocouples | |||||
|---|---|---|---|---|---|---|---|---|---|
Day | Night | Difference | Day | Night | Difference | Residual | |||
OE1 | Centro | Sheat | 39.0 | 7.4 | 31.7 | 35.9 | 8.2 | 27.7 | 4.0 |
TC01 | Centro | Metal | 41.1 | 10.0 | 31.1 | 36.7 | 8.6 | 28.1 | 3.0 |
TC02 | Centro | Sheat | 36.4 | 8.1 | 28.3 | 33.0 | 9.1 | 23.9 | 4.4 |
TC03 | Centro | Other | 1.9 | − 15.0 | 16.9 | 28.0 | 8.4 | 19.6 | − 2.7 |
TC04 | Corticella | Gravel tiles | 7.2 | – | 6.6 | – | – | ||
TC06 | Corticella | Gravel tiles | 5.8 | – | 5.9 | – | – | ||
TC07 | Centro | Gravel tiles | 29.6 | 7.2 | 22.3 | 32.0 | 6.8 | 25.2 | − 2.9 |
TC10 | Centro | Sheat | 43.9 | 5.9 | 38.0 | 47.0 | 7.5 | 39.5 | − 1.5 |
