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Table 5 Cooling effect of different permeable pavements and water retaining pavements

From: Review of regulation techniques of asphalt pavement high temperature for climate change adaptation

Pavement types

Cooling effect (°C)

Permeable asphalt pavement

1.2-1.6 (Air temperature: 0.2-0.45, bottom temperature: 1.5-3.4) [30], 2-2.5 (Bottom temperature: 3-3.5) [101], 15-35 (The peak cooling effect of watering for the test sections) [102], 2-7(25h after watering) [102],

Water-retentive asphalt pavement

8.1-9.4 [103], 5-10 [104]

Permeable concrete pavement

1-3 [105]

Permeable interlocking concrete pavement

6.6 [106], 15.3 [89]