References:
     [1] Wolf, J., Adger, W. N., Lorenzoni, I., et al. Social capital, individual responses to heat waves and climate change adaptation: An empirical study of two UK cities [J]. Global Environmental Change, 2010, 20(1): 44-52.
     [2] Guo, G., Wu, Z., Xiao, R., et al. Impacts of urban biophysical composition on land surface temperature in urban heat island clusters [J]. Landscape and Urban Planning, 2015, 135: 1-10.
     [3] Qi, X. H., Cheng, Y., Li, D. M., et al. A review of the study on heatwaves in western countries [J]. Acta Ecologica Sinica, 2016, 36(9): 2773-2778.
     [4] Beijing Bureau of Statistics. Beijing Statistical Yearbook 2017 [M]. Beijing: China Statistics Press, 2017.
     [5] Tianjin Bureau of Statistics. Tianjin Statistical Yearbook 2017 [M]. Beijing: China Statistics Press, 2017.
     [6] Hebei Bureau of Statistics. Hebei Statistical Yearbook 2017 [M]. Beijing: China Statistics Press, 2017.
     [7] Shanxi Bureau of Statistics. Shanxi Statistical Yearbook 2017 [M]. Beijing: China Statistics Press, 2017.
     [8] Inner Mongolia Bureau of Statistics. Inner Mongolia Statistical Yearbook 2017 [M]. Beijing: China Statistics Press, 2017.
     [9] Liaoning Bureau of Statistics. Liaoning Statistical Yearbook 2017 [M]. Beijing: China Statistics Press, 2017.
     [10] Jilin Bureau of Statistics. Jilin Statistical Yearbook 2017 [M]. Beijing: China Statistics Press, 2017.
     [11] Heilongjiang Bureau of Statistics. Heilongjiang Statistical Yearbook 2017 [M]. Beijing: China Statistics Press, 2017.
     [12] Shanghai Bureau of Statistics. Shanghai Statistical Yearbook 2017 [M]. Beijing: China Statistics Press, 2017.
     [13] Jiangsu Bureau of Statistics. Jiangsu Statistical Yearbook 2017 [M]. Beijing: China Statistics Press, 2017.
     [14] Zhejiang Bureau of Statistics. Zhejiang Statistical Yearbook 2017 [M]. Beijing: China Statistics Press, 2017.
     [15] Anhui Bureau of Statistics. Anhui Statistical Yearbook 2017 [M]. Beijing: China Statistics Press, 2017.
     [16] Fujian Bureau of Statistics. Fujian Statistical Yearbook 2017 [M]. Beijing: China Statistics Press, 2017.
     [17] Jiangxi Bureau of Statistics. Jiangxi Statistical Yearbook 2017 [M]. Beijing: China Statistics Press, 2017.
     [18] Shandong Bureau of Statistics. Shandong Statistical Yearbook 2017 [M]. Beijing: China Statistics Press, 2017.
     [19] Henan Bureau of Statistics. Henan Statistical Yearbook 2017 [M]. Beijing: China Statistics Press, 2017.
     [20] Hubei Bureau of Statistics. Hubei Statistical Yearbook 2017 [M]. Beijing: China Statistics Press, 2017.
     [21] Hunan Bureau of Statistics. Hunan Statistical Yearbook 2017 [M]. Beijing: China Statistics Press, 2017.
     [22] Guangdong Bureau of Statistics. Guangdong Statistical Yearbook 2017 [M]. Beijing: China Statistics Press, 2017.
     [23] Guangxi Zhuang Autonomous Region Bureau of Statistics. Guangxi Statistical Yearbook 2017 [M]. Beijing: China Statistics Press, 2017.
     [24] Hainan Bureau of Statistics. Hainan Statistical Yearbook 2017 [M]. Beijing: China Statistics Press, 2017.
     [25] Chongqing Bureau of Statistics. Chongqing Statistical Yearbook 2017 [M]. Beijing: China Statistics Press, 2017.
     [26] Sichuan Bureau of Statistics. Sichuan Statistical Yearbook 2017 [M]. Beijing: China Statistics Press, 2017.
     [27] Guizhou Bureau of Statistics. Guizhou Statistical Yearbook 2017 [M]. Beijing: China Statistics Press, 2017.
     [28] Yunnan Bureau of Statistics. Yunnan Statistical Yearbook 2017 [M]. Beijing: China Statistics Press, 2017.
     [29] Tibet Autonomous Region Bureau of Statistics. Tibet Statistical Yearbook 2017 [M]. Beijing: China Statistics Press, 2017.
     [30] Shaanxi Bureau of Statistics. Shaanxi Statistical Yearbook 2017 [M]. Beijing: China Statistics Press, 2017.
     [31] Gansu Bureau of Statistics. Gansu Development Yearbook 2017 [M]. Beijing: China Statistics Press, 2017.
     [32] Qinghai Bureau of Statistics. Qinghai Statistical Yearbook 2017 [M]. Beijing: China Statistics Press, 2017.
     [33] Ningxia Autonomous Region Bureau of Statistics. Ningxia Statistical Yearbook 2017 [M]. Beijing: China Statistics Press, 2017.
     [34] Xinjiang Uygur Autonomous Region Bureau of Statistics. Xinjiang Uygur Autonomous Region Statistical Yearbook 2017 [M]. Beijing: China Statistics Press, 2017.
     [35] State Council Census Office. Tabulation on the 2010 population census of the People's Republic of China by county [M]. Beijing: China Statistics Press, 2012.
     [36] National Bureau of Statistics of China. China City Statistical Yearbook [M]. Beijing: China Statistics Press, 2017.
     [37] Office for the Sixth Population Census of Beijing Municipality. Tabulation on the 2010 population census of Beijing municipality [M]. Beijing: China Statistics Press, 2012.
     [38] Tianjin Bureau of Statistics. Tabulation on the 2010 population census of Tianjin municipality [M]. Beijing: China Statistics Press, 2012.
     [39] Office for the Sixth Population Census of Hebei Province. Tabulation on the 2010 population census of Hebei Province [M]. Beijing: China Statistics Press, 2012.
     [40] Office for the Sixth Population Census of Shanxi Province. Tabulation on the 2010 population census of Shanxi Province [M]. Beijing: China Statistics Press, 2012.
     [41] Inner Mongolia Autonomous Region Statistics Bureau. Tabulation on the 2010 population census of Inner Mongolia Autonomous Region [M]. Beijing: China Statistics Press, 2012.
     [42] Liaoning Bureau of Statistics. Tabulation on the 2010 population census of Liaoning Province [M]. Beijing: China Statistics Press, 2012.
     [43] Office for the Sixth Population Census of Jilin Province. Tabulation on the 2010 population census of Jilin Province [M]. Beijing: China Statistics Press, 2012.
     [44] Heilongjiang Bureau of Statistics. Tabulation on the 2010 population census of Heilongjiang Province [M]. Beijing: China Statistics Press, 2012.
     [45] Shanghai Bureau of Statistics. Tabulation on the 2010 population census of Shanghai municipality [M]. Beijing: China Statistics Press, 2012.
     [46] Office for the Sixth Population Census of Jiangsu Province. Tabulation on the 2010 population census of Jiangsu Province [M]. Beijing: China Statistics Press, 2012.
     [47] Office for the Sixth Population Census of Zhejiang Province. Tabulation on the 2010 population census of Zhejiang Province [M]. Beijing: China Statistics Press, 2012.
     [48] Office for the Sixth Population Census of Auhui Province. Tabulation on the 2010 population census of Auhui Province [M]. Beijing: China Statistics Press, 2012.
     [49] Office for the Sixth Population Census of Fujian Province. Tabulation on the 2010 population census of Fujian Province [M]. Beijing: China Statistics Press, 2012.
     [50] Jiangxi Bureau of Statistics. Tabulation on the 2010 population census of Jiangxi Province [M]. Beijing: China Statistics Press, 2012.
     [51] Shandong Bureau of Statistics. Tabulation on the 2010 population census of Shandong Province [M]. Beijing: China Statistics Press, 2012.
     [52] Henan Bureau of Statistics. Tabulation on the 2010 population census of Henan Province [M]. Beijing: China Statistics Press, 2012.
     [53] Office for the Sixth Population Census of Hubei Province. Tabulation on the 2010 population census of Hubei Province [M]. Beijing: China Statistics Press, 2012.
     [54] Office for the Sixth Population Census of Hunan Province. Tabulation on the 2010 population census of Hunan Province [M]. Beijing: China Statistics Press, 2012.
     [55] Guangdong Bureau of Statistics. Tabulation on the 2010 population census of Guangdong Province [M]. Beijing: China Statistics Press, 2012.
     [56] Guangxi Zhuang Autonomous Region Statistics Bureau. Tabulation on the 2010 population census of Guangxi Zhuang Autonomous Region [M]. Beijing: China Statistics Press, 2012.
     [57] Hainan Bureau of Statistics. Tabulation on the 2010 population census of Hainan Province [M]. Beijing: China Statistics Press, 2012.
     [58] Office for the Sixth Population Census of Chongqing Municipality. Tabulation on the 2010 population census of Chongqing Municipality [M]. Beijing: China Statistics Press, 2012.
     [59] Sichuan Provincial Census Office Sichuan Province. Tabulation on the 2010 population census of Sichuan Province [M]. Beijing: China Statistics Press, 2012.
     [60] Office for the Sixth Population Census of Guizhou Province. Tabulation on the 2010 population census of Guizhou Province [M]. Beijing: China Statistics Press, 2012.
     [61] Office for the Sixth Population Census of Yunnan Province. Tabulation on the 2010 population census of Yunnan Province [M]. Beijing: China Statistics Press, 2012.
     [62] Office for the Sixth Population Census of Tibet Autonomous Region. Tabulation on the 2010 population census of Tibet Autonomous Region [M]. Beijing: China Statistics Press, 2012.
     [63] Shaanxi Bureau of Statistics. Tabulation on the 2010 population census of Shaanxi Province [M]. Beijing: China Statistics Press, 2012.
     [64] Office for the Sixth Population Census of Gansu Province. Tabulation on the 2010 population census of Gansu Province [M]. Beijing: China Statistics Press, 2012.
     [65] Qinghai Bureau of Statistics. Tabulation on the 2010 population census of Qinghai Province [M]. Beijing: China Statistics Press, 2012.
     [66] Office for the Sixth Population Census of Ningxia Hui Autonomous Region. Tabulation on the 2010 population census of Ningxia Hui Autonomous Region [M]. Beijing: China Statistics Press, 2012.
     [67] Office for the Sixth Population Census of Xinjiang Uygur Autonomous Region. Tabulation on the 2010 population census of Xinjiang Uygur Autonomous Region [M]. Beijing: China Statistics Press, 2012.
     [68] Daily Value Dataset of Surface Climate Data in China (V3.0) [DB/OL]. China Meteorological Data Service Center (http://data.cma.cn). 2016.