Temporal variations of transpiration and latent heat fluxes from isolated linden crowns and lawns in a park at Strasbourg, France

2015 
In a context of global climate change, mitigating the “urban heat island” effect is becoming an urging necessity with respect to human health. Among the different mitigating strategies, increasing the vegetated surface areas, such as trees and lawns, is expected to induce a cooling effect by increasing the latent heat flux (E) from the transpiring plants. However, there is nearly no information on direct assessment of plant, and particularly of trees transpiration to the total latent heat flux of a city center. The aim of this study is to estimate the latent heat flux emitted by a lawn surface (EL) and isolated linden trees (ET) in the city centre of Strasbourg (France), and to characterize the seasonal evolution of these fluxes with respect to atmospheric variables.
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