Abstract
This study analyzed the relationship between the measured concentration of particulate matter (PM) and green area, which is an important spatial factor affecting urban PM concentration and even more carbon neutral in cities. In order to investigate the effects of green area, the green area ratio (GAR) is used and correlated with particulate matter. As a result of analyzing the correlation between GAR and PM concentration using the measured PM data, it was found that there was a positive correlation between the two variables. Hence, the higher the GAR, the lower the PM concentration. It can be said that the introduction of spatial elements with high GAR scores, such as parks and forests in cities, is effective in reducing PM concentration. In this study, a portable PM monitoring system using a vehicle for PM measurement was also established and operated. As a result, it was found that a PM monitoring system using a light-scattering sensor is an effective PM measurement method that can be used at the local government level. It was also found that a follow-up study is needed in the future to identify the PM mitigation functions of urban green areas according to the detailed characteristics of green areas as well as various environmental factors. This study can be used in air quality improvement activities and efforts as reference data by policy decision makers and in the field of environmental planning associated with the removal of airborne particulate matter pollution in urban areas.
Highlights
Particulate matter (PM) air pollution is recognized as a serious global environmental issue
In order to find a more detailed correlation between PM concentration and green-related land cover, a correlation analysis was performed on the concentration of PM and the green area ratio
Correlation analysis was carried out to investigate the relationship between PM concentration and green area ratio (GAR)
Summary
Particulate matter (PM) air pollution is recognized as a serious global environmental issue. A sharp rise in the concentration of PM originating from abroad or generated in South Korea harms the health of the nation’s citizens and leads to economic damage and losses. This raises the need to find measures to preemptively respond to PM issues by local governments along with efforts to solve problems at the national level. Forests and green areas are the major factors that reduce PM concentration. There are few studies that measure the concentration of PM and analyze the effects of factors that reduce the concentration of PM based on the accumulated data
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