20170525
Author :
Edmondson, J. L.Stott, I.
Davies, Z. G.
Gaston, K. J.
Leake, J. R.
Year :
2016
Title :
Soil surface temperatures reveal moderation of the urban heat island effect by trees and shrubs
Soil surface temperatures reveal moderation of the urban heat island effect by trees and shrubs
Journal :
Scientific Reports
Comment :
Urban green spaces may be important in reducing surface temperature extremes, but their effects have not been investigated at a city-wide scale.
Across a mid-sized UK city we buried temperature loggers at the surface of green space soils at 100 sites, stratified by proximity to city centre, vegetation cover and land-use.
Mean daily soil surface temperature over 11 months increased by 0.6 °C over the 5 km from the city outskirts to the centre. Trees and shrubs in non-domestic green space reduced mean maximum daily soil surface temperatures in the summer by 5.7 °C compared to herbaceous vegetation, but tended to maintain slightly higher temperatures in winter.
Scientific Reports
Comment :
Urban green spaces may be important in reducing surface temperature extremes, but their effects have not been investigated at a city-wide scale.
Across a mid-sized UK city we buried temperature loggers at the surface of green space soils at 100 sites, stratified by proximity to city centre, vegetation cover and land-use.
Mean daily soil surface temperature over 11 months increased by 0.6 °C over the 5 km from the city outskirts to the centre. Trees and shrubs in non-domestic green space reduced mean maximum daily soil surface temperatures in the summer by 5.7 °C compared to herbaceous vegetation, but tended to maintain slightly higher temperatures in winter.
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