Table 2 Indicators and variables used for analysis.

From: The urban heat island under extreme heat conditions: a case study of Hannover, Germany

Indicator

Variables

Data (source)

UHI

Daily mean air temperature

Maximum air temperature

Minimum air temperature

GWD 202230

LULC

Percentage share of urban forest, green urban area within a 100 m buffer

Urban Atlas 201832

 

NDVI within a 100 m buffer

Digital Orthophoto, 2022, (DGO)33

 

Number and percentage share of buildings of different heights within a 100 m buffer

3D building model, 202234