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Notice of Retraction
After careful and considered review of the content of this paper by a duly constituted expert committee, this paper has been found to be in violation of IEEE's Publication Principles.
We hereby retract the content of this paper. Reasonable effort should be made to remove all past references to this paper.
The presenting author of this paper has the option to appeal this decision by contacting TPII@ieee.org.
A field measurement of diurnal cooling effect of green spaces with different vertical configuration was carried out at a local scale in an urban-industrial area. Observations were conducted on the green areas of four sites, namely a factory area, an administrative area, a residential area and a park. With the almost equal areas and total coverage rate, four dominating types of green space with different vertical configuration were selected as representative samples on each site. The results showed that: (1) an obvious air temperature heat island effect was detected between the factory area and the park, with the heat island intensity of 2.1-4.1°C followed by the administrative area (1.7-2.7°C) and the residential area (0.4-2.0 °C). (2) The differences of diurnal vegetation cooling effect on air temperatures among the four sites could be found, complying with the order: residence area (1.0-1.3°C) >;administrative area (0.6-1.5°C ) >;factory area (0.4-1.0°C) >;park (0.5-0.9°C). (3) Green spaces with multilayer structures produced a more significant cooling effect (0.7-1.4°C) than those with simple structures (0.3-0.9°C). And the detailed data in the four sites revealed that green spaces with different vertical configurations significantly differed from each other. Awareness of the differences in cooling effect helps urban planners and greening designers adopt appropriate vertical configuration of green spaces.