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Abstract
As an old community, Luoliu community is representative in Shanghai. Traditional infrastructure is not combined with public space and green space layout, which makes the climate resilience of the old residential area urgently need to be improved. Through questionnaire survey, field measurement, combined with Envi-met to simulate microclimate changes and formulated green space resilience transformation strategies. Microclimate factors such as temperature, humidity, wind speed and wind direction change with the spatial distribution and vegetation structure. First, the walls of buildings are most vulnerable to the shadow of buildings. The microclimate of the building enclosed green space is stable, but its toughness is poor. Parallel green space can restrain the temperature rise to a certain extent, it has strong space toughness. Green enclosure space is also closed, usually covered with green plants. Although it can reduce the impact of solar radiation, overgrown and untrimmed trees will become an obstacle to air ducts. Ventilation should be the priority. Second, the canopy and vertical structure of green plants should be reasonable. Third, the combination layout of the dominant wind direction and the residential complex shall be considered comprehensively to plan the public facilities and sidewalks.
Highlights
The residential area is one of the spaces inextricably linked with urban residents[1]
The spatial arrangement of residential areas has an impact on its microclimate[4]
Measurements were carried out at nine points in Luoliu Community for information on green space needed for microclimate simulation in the residential area by means of ENVI-met, including the surrounding building, green space, spatial type, plane layout, plantation
Summary
The residential area is one of the spaces inextricably linked with urban residents[1]. The spatial arrangement of residential areas has an impact on its microclimate[4]. Measurements were carried out at nine points in Luoliu Community for information on green space needed for microclimate simulation in the residential area by means of ENVI-met, including the surrounding building (floor height, height, length, width), green space (length, width), spatial type (public green space, special green space, green space between houses, green space of road), plane layout (parallel type, building enclosure, green enclosure), plantation (arbor-shrub-grass mixture, arbor-grass combination, shrub-grass combination, arbor & concrete). According to the layout of community space, the green space fall into three categories: parallel, building. 2.2 Microclimate measurement and analysis based on ENVI -met Air temperature, relative humidity, air quality, air pollutants, wind direction and speed, surface temperature and wall temperature are measured at 9 points every two hours(Tab. 1). The aging trend of the community is evident, and the retirees make up a large proportion of the respondents
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