Dear Colleagues
We know the range of NDVI for barren lands is approximately less than 0.1 or 0.2, or for sparse vegetation is between 0.2 to 0.5 and for dense is >0.6, but for this research, in some of area we have dense gardens that after slicing, these gardens are named sparse vegetation! Probably, we don't know the difference of between poor or barren lands or sparse and dense and....
Yours Sincerely
Hello dear brother
Gangs that are usually in the realm of 400 to 700 nm because the plant is not appropriate in this dark realm.
The sensor TM: bands 4 and 5 are
Of course, better to eliminate complications such as albedo effects of topography and vegetation to detect ratios of the band.
If we vegetation appears bright for about 700 to 1,300 nm, located in the territory of gangs that gangs in the territory of 400 to 700 or 1300 to 2500 nm are preferred.
The sensor TM: the bands TM4 / TM3 are appropriate. The ratio of TM5 / TM7 are also suitable. But because most of the clays are clear in this territory their use is not recommended.
See the Site: www.fadak.us/A.database/mine/learn/L.004/A.0195.htm
with respect
You may be interested in a low NDVI for (rural) barrens in the attached. Moreover, the plant that are present, at undetected low cover, are rare and relevant for biodiversity. Such low NDVI values seem also possible in an urban environment as well depending on the geology of the barrens and materials used for buildings and other infrastructure.
Article Fine resolution distribution modelling of endemics in Majell...
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