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CORINE discontinuous artificial areas

Good morning,
I have some doubts regarding the class description on the following attached file (p. 102). It states that:
"These units consist of blocks of flats, individual houses, gardens, streets and parks, each of these elements having a surface area of less than 25 ha. (...) Buildings, roads and artificially surfaced areas cover between 50 and 80% of the total surface area of the unit."

My questions are:
1) So which is the approximated detail area in ha. which surfaces have been mappen with?
2) What about the buildings, roads and artificially surfaced areas below 50% of soil occupation?

It would be great if you could suggest me also some EEA references where these issues are addressed.

Thank you very much
sofia p.
Comments (1)
EEA Feb 06, 2013 10:05 AM
Dear Sofia,

We have two classes for residential areas in CORINE Land Cover.
111 = Continuous urban fabric: here the sealed (impervious) surface is at least 80%. The rest is mainly urban greenery. This class is frequent in Southern Europe, but appears also in other parts of the continent (centres of larger cities)
112 = Discontinuous urban fabric: here the sealed (impervious) surface is between 30% and 80%. Other land covers (greenery, water, etc.) can reach altogether maximum 70%.
If the built-up density is lower than 30% - this happens usually in agriculture area we use 242 (complex cultivation). Other frequent case that low density houses (usually with temporary residence) associate to sport and recreation areas (code 142).
In all cases CLC polygons should have a size of minimum 25 hectare.