Variable | Definition | Unit | Measurement | Source |
---|---|---|---|---|
Dependent variable: land surface temperature | ||||
TEMP | Land surface temperature of 12 July 2013 | °C | Pixel (30 m × 30 m) | Landsat 7 ETM+ |
Independent variable: physical variables | ||||
Zone | Planning zone, reclassified as below   Central Business District (CBD)   Mixed use   Commercial   Industrial urban   Industrial suburban   Urban dwelling   Suburban dwelling   Agricultural dwelling | NA | Planning zone | Indianapolis and Marion County, Department of Metropolitan Development |
Area | Total area of a parcel | m2 | Parcel | Indy GIS |
NDVI | Normalized Difference Vegetation Index | NA | Pixel (30 m × 30 m) | Landsat 7 ETM+ |
TREE | Percent tree canopy | % | Pixel (30 m × 30 m) | NLCD 2011, USGS |
Imperv | Percent developed imperviousness | % | Pixel (30 m × 30 m) | NLCD 2011, USGS |
Height_Avr | Average building height | m | Building | LiDAR, 2011 |
Height_Max | Maximum building height | m | Building | LiDAR, 2011 |
Bldg_Ftpr | Total building footprint | m2 | Building | Indianapolis and Marion County, Department of Metropolitan Development |
Independent variable: socioeconomic variables | ||||
POP_DEN | Population density of a Census block group | #/m2 | CBG | ACS 2013 |
POP_UR_18 | Total number of population under age 18 | # | CBG | ACS 2013 |
POP_OV_65 | Total number of population over age 65 | # | CBG | ACS 2013 |
Female | Total number of female population | # | CBG | ACS 2013 |
NON_WT | Total number of non-white population | # | CBG | ACS 2013 |
TOT_HSUNT | Total number of household unit | # | CBG | ACS 2013 |
RENT | Total number of rental unit | # | CBG | ACS 2013 |
MedHsValue | Median house value | $ | CBG | ACS 2013 |
MEDHHINC | Median household income | $ | CBG | ACS 2013 |
Edu_Less | Total number of population have education less than 9th grade | # | CBG | ACS 2013 |
Mobile | Total number of mobile home | # | CBG | ACS 2013 |