Accessibility and Service Assessment on Urban Park Green Space of Tianjin City

To reflect Tianjin urban park green space service situations more accurately,the accessibility and service of Tianjin urban park green space were analyzed with the support of Remote Sensing and Geographic Information System.The results showed that accessibility level in Tianjin City was high,and more than 85 percent of area need walk less than 15 minutes to the most nearest urban park green space and near 99 percent of the total residents walk less than 15 minutes to urban park green space.However,there also exits some area that is far away from urban park green space,park green space construction in these regions should be strengthened.