18 Developing a Framework for the Water-Energy …
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Table 3
(continued)
Tool
Modeling framework Scale
System breadth
Analytical capability Flexibility
Applicability to
WEF nexus in
South Africa
Nexus City
Index
Measures the
prosperity and
sustainability of the
FEW nexus for 69
cities
All scales
WEF nexus
component, prosperity
A top-down urban
WEF nexus approach
which aggregates the
WEF sectors to a
single indicator
Flexible, and includes
likewise indices World
City Prosperity Index,
the Regional City
Prosperity Index, and
a regional city index
Yes
Message
Modeling potential
future energy
scenarios
Global and
Regional
Energy and
greenhouse gas
emissions
Dynamic linear
programming model
and can be linked with
MAGICC (a separate
program for predicting
GHG-induced climate
change) and
GLOBIOM
No, does not
consider all WEF
nexus components