A Comparison of Two Methods on the Climatic Effects of Urbanization in the Beijing-Tianjin-Hebei Metropolitan Area

Table 1

Results of recent studies of the urban heat island effects in China at regional and national scales.

Study area	Method	Time period	UHI warming (°C decade^−1)	References
Mainland China	UMR	1954–2004	<0.012	[5]
Yangtze River Delta	UMR	1961–2005	0.069	[37]
North China	UMR	1961–2000	0.11	[10]
China	Comparison with SST	1951–2004	0.1	[38]
Northeast China	UMR	1954–2005	0.027	[6]
Southeast China	OMR	1979–1998	0.05	[26]
East of 110°E over China	OMR	1960–1999	0.12	[39]
China	OMR	1960–1999	0.14	[40]
East China	OMR and UMR	1981–2007	OMR: 0.398, 0.260, 0.214, 0.167; UMR: 0.285, 0.207, 0.135, 0.077; for stations from metropolises, large cities, medium cities, and small cities	[36]