Spacechem going green1/9/2023 Urban Green Spaces (UGSs) play a critical role in this field by influencing the micro climate. Thus, increasing the human thermal comfort in summer with low energy consumption draws wide attentions. This occurs more frequently in the background of continuous urbanization around the world. Urban Heat Island (UHI) aggravates the hot summer temperature and threads both the mental and physical health of citizens with extreme high temperature. The results can serve as a reference when planning and designing future UGSs. A higher landscape shape index of a planar UGS is the critical point to achieve a lower THI. The total area of planar UGS is not critical. A wider, linear UGS with the same orientation as the direction of the prevailing wind contributes more to decrease the surrounding THI. For punctiform UGS, a larger total area and existence of water body results in a lower THI. In the summer, the amplitude of THI variation decreases with the distance to UGS. The results indicate that the shape of the UGS had significant impact on the Temperature Humidity Index (THI). The effects were studied by data collection and statistical analysis. Comparison spots were selected away from the sampled UGSs. The samples covered the most applied types of UGSs-punctiform, linear, and planar. Microclimate field measurements around 35 UGSs in Shanghai, China were carried out. The AT and RH surrounding an UGS within a horizontal scale of 20 m was explored. This paper explores the principles and features behind this. However, research on how the shape of an UGS influences these effects is yet to be explored. Research shows that urban green spaces (UGSs) provide a number of positive effects, including enhancing human thermal comfort levels by decreasing air temperature (AT) and increasing relative humidity (RH).
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