Projected Urbanization Impacts on Surface Climate and Energy Budgets in the Pearl River Delta of China

Table 1

Influencing factors of land uses considered in the DLS model in the case study.

Influencing factors	Variables	Unit	Definitions
Natural conditions	DEM	M	Elevation
	Slope	Degree	Slope
	Splain	%	Proportion of Plain
Traffic variables	RoadDEN	km/km^2	Density of traffic route
Proximity variables	DpvCap	km	Distance to province capital
	DHYW	km	Distance to the highway
	D2provw	km	Distance to the province way
	D2port	km	Distance to the port
Socioeconomic variables	NonAgr		Nonagricultural labor force
	ArgProp	%	Proportion of agricultural population in the later period
	POP1	Person	Total population in the later period
	GDP1	Hundred million Yuan	GDP by primary industry
	GDP2	Ten thousand Yuan	GDP by secondary industry
	GDP3	Ten thousand Yuan	GDP by tertiary industry
	FDI	Ten thousand Yuan	Foreign investment
	TranInvest	Ten thousand Yuan	The number of transportation and telecommunications investment zones
	DevelopZone		The number of development zones

Note: (1) variables in the later period is represented by the average values over the past 3 years; (2) the price for GDP in the Socio-economic variable is calculated according to the price in year 2000.