Season | The number of core cities | The number of edge cities | The density of core area | The density of edge areas |
Spring | Guangzhou Shenzhen Zhuhai Foshan Shaoguan Huizhou Dongguan | Shantou Heyuan Meizhou Shanwei Zhongshan Jiangmen Zhanjiang Maoming Zhaoqing Qingyuan Chaozhou Jieyang Yunfu Yangjiang | 0.976 | 0.181 |
Summer | Guangzhou Shenzhen Zhuhai Foshan Shantou Shaoguan Huizhou Shanwei Dongguan Zhongshan Jiangmen Maoming | Heyuan Meizhou Zhanjiang Zhaoqing Chaozhou Jieyang Yunfu Yangjiang | 0.846 | 0.036 |
Autumn | Guangzhou Shenzhen Zhuhai Foshan Shantou Shaoguan Huizhou Dongguan Zhongshan Jiangmen Zhanjaing | Heyuan Meizhou Shanwei Maoming Zhaoqing Qingyuan Chaozhou Jieyang Yunfu Yangjiang | 0.845 | 0.111 |
Winter | Guangzhou Shenzhen Zhuhai Foshan Shantou Shaoguan Huizhou Dongguan Zhongshan Jiangmen | Heyuan Meizhou Shanwei Zhanjiang Maoming Zhaoqing Qingyuan Chaozhou Jieyang Yunfu Yangjiang | 0.867 | 0.100 |