International Archives of Photogrammetiy and Remote Sensing. Vol. XXXII Part 7C2, UNISPACE III, Vienna, 1999
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UNISPACE HI - ISPRS Workshop on
“Resource Mapping from Space”
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Vienna, Austria
ISPRS
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interface system. One such proposed coefficient for a man-made
system may be as follows (Lai, 1991):
Further, in case of a interface system also the HDI becomes very
important modulating factor for deriving sustainability indices.
Conceptually, it can be formulated as (Rao and Chandrasekliar,
1996) Cs = f (Oin)t
Where Oi ^Output per that unit input that maximizes the per
capita productivity' or profit
Od = Output per unit decline in the most limiting or non
renewable resource
Om = Minimum assured output
t = time
The exact nature of the function may be site-specific and Oi. Od,
Following tire sustainability paradigm, ‘appropriate’ would
require that a technology' follow five pillars of sustainability,
namely be (i) ecologically protective (ii) socially acceptable (iii)
economically productive (iv) economically viable and (v) reduce
the risk.
For a natural system the sustainability coefficient (Cs),
mentioned above, could be modified to account for the role of
human being and could be written as (Rao and Chandrasekliar,
1996)
Cs = f (Oi,Od.Om,HDI)t
Where HDI=Human development index.
One such coefficient i.e. co-efficient of sustainability is given
hereunder.
Sustainability coefficient (Cs) which is dynamic and is problem
or mission-oriented is another indicator of sustainability'. There
are three basic systems, natural system, man-made system and
