Urban Fluxnet

Simplified classification of distinct urban forms arranged in approximate decreasing order of their ability to impact local climate

Text Box: Intensely developed high density urban with 2-5 storey, attached or very close-set buildings often of brick or stone, e.g. city core

Urban Climate Zone, UCZ		Image	Roughness class	Aspect ratio	% Built (impermeable)
1	Intensely developed urban with detached close-set high-rise buildings with cladding, e.g. downtown towers		8	> 2	> 90
2	Intensely developed high density urban with 2-5 storey, attached or very close-set buildings often of brick or stone, e.g. city core		7	1.0 - 2.5	> 85
3	Highly developed, medium density urban with row or detached but close-set houses, stores & apartments e.g. urban housing		7	0.5 - 1.5	70-85
4	Highly developed, low or medium density urban with large low buildings & paved parking, e.g. shopping mall, warehouses		5	0.05 - 0.2	70-95
5	Medium development, low density suburban with 1 or 2 storey houses, e.g. suburban housing		6	0.2 - 0.6, up to >1 with trees	35-65
6	Mixed use with large buildings in open landscape, e.g. institutions such as hospitals, university, airport		5	0.1 - 0.5, depends on trees	< 40
7	Semi-rural development, scattered houses in natural or agricultural area, e.g. farms, estates		4	> 0.05, depends on trees	< 10