Table 1.
List of studies and variables that have verified the cooling effect of park and green space

	Kim et al (2014)	Kim et al (2018a)	Park and Cho (2016a)	Yun et al (2013)	Kim et al (2018b)	Park et al (2017)	Piao (2017)	An and Hong (2015)	Cha et al (2007)	Oh and Hong (2005)	Jo and Ahn (2006)	Joo et al (2014)	Ki et al (2012)	Kim (2012)	Koo et al (2011)	Feyisa et al (2014)	Cheng et al (2015)	Kong et al (2014)	Lin et al (2015)	Park and Cho (2016b)
Shape of park					o											o				o
Area of park			o	o	o		o	o		o						o	o		o	o
Elevation of park																o
Land cover	o					o	o				o		o	o				o
NDBI
NDVI															o	o				o
Vegetation type	o						o	o					o	o		o
Vegetation structure								o		o			o	o		o
Green area ratio										o	o		o	o				o
Building		o				o
Distribution of green space									o			o							o
Distance from park		o					o			o									o