Impervious layer

The impervious layer means any kind of artificial surfaces which obstructs the percolation of water.

Name	Type	Constraints	Definition
the_geom	POLYGON	X Y dimensions	Geometry
id_impervious	INTEGER	Primary Key	Unique Identifier
id_source	VARCHAR	not null	Identifier of the feature from the input datasource
type	VARCHAR	not null	Type of impervious areas

type column values

List of all possible values for type column.

Term	Definition	Source
government	Area with government buildings	-
entertainment_arts_culture	Area dedicated to entertainment, arts and culture	-
education	Area dedicated to education	-
military	Area dedicated to military constructions	-
industrial	Area dedicated to industrial constructions	-
commercial	Area dedicated to commercial buildings	-
healthcare	Area dedicated to healthcare infrastructures	-
transport	Area dedicated to transport infrastructures	-
building	Area dedicated to any kind of buildings	-
sport	Area dedicated to sport infrastructures	-
cemetery	Area dedicated to cemetery	-
religious	Area dedicated to religious buildings	-