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GIS
Services 
Developing GIS for Decision Support
A computer
software technology, Geospatial Information System combines database
management and statistical analysis with image processing and computerized
mapping to create a powerful decision support tool. GIS offers a
variety of analysis and modeling tools to help a decision maker
examine, analyze and interpret the relevant data, for a variety
of scenarios. What follows is a set of scenarios where GIS performs
as a decision support tool.
Scenario
# 001
An urban development agency is facing problems associated with planning,
managing and ensuring environmental quality resulting from an enormously
rapid growth of population. GIS facilitates the use of remotely
sensed reliable, timely and periodic data in conjunction with the
associated demographic details in evolving a variety of scenarios
for ameliorating the situation.
Scenario
# 002
A rural and renewable energy development agency wishes to prepare
a list of villages from its 20 community development blocks, for
installation of renewable energy harnessing devices. GIS facilitates
the use of relevant village wise details such as average sunny days
in a year, livestock population, total households household size,
per capita income, average winter temperature, average summer temperature,
population engaged in primary, sector and tertiary sectors of economic
activity, distance from nearest all weather road, etcetera in evolving
a set of alternative lists to suit the available budget.
Scenario
# 003
A hydroelectric power corporation wishes to assess the impact of
locating a dam in particular area. GIS facilitates the delineation
of the area that would be inundated as a consequence, the area that
would be flooded when the water from the dam is released, which
in turn would facilitate assessing the loss of flora, fauna, human
settlements and their economic activities.
Scenario
# 004
A disaster management authority wishes to identify the existing
as well as potential landslide zones in a hilly area. GIS facilitates
the use of imagery depicting existing landslide areas as well as
the hill slopes, which have been enormously deforested in the recent
time via spectral classification and other methods for deriving
a map of potentially hazardous areas.
Scenario
# 005
The directorate of agriculture wishes to ensure an optimum crop
yield. GIS facilitates the use of variables such as slope, soil
quality, nutrients in conjunction with crop sample data over several
hectares of farmland in identifying areas of high and low quality
yield for evolving scenarios for improving production.
Scenario
# 006
A provincial government wishes to evolve a poverty alleviation program.
GIS facilitates the use of the socioeconomic details for the community
development blocks, subdivisions, districts in developing alternative
socioeconomic scenarios for evolving an appropriate poverty alleviation
program.
Scenario
# 007
A tourism development corporation wishes to develop a ski resort.
GIS facilitates the use of physical characteristics of slope, aspect,
and elevation of a site to produce a physical suitability map. GIS
also facilitates combining the physical suitability map with market
potential data to produce a site suitability map.
Scenario
# 008
A wildlife manager wishes to know the different population levels
of tiger in a forest. GIS facilitates the use location wise details
of sighting tigers in evolving a wildlife density map.
Scenario
# 009
A multinational
bank wishes to determine the ideal location for its new branch.
GIS facilitates the use of details of competitive banks in a particular
location in determining the suitability of the proposed new branch.
Scenario
# 010
A
political party wishes to evolve a strategy for winning an election.
GIS facilitates the use of constituency wise demographic details
in conjunction with details on socioeconomic development over a
given period of time in evolving the appropriate strategy.
Scenario
# 011
A
public service agency wishes to redefine its coverage areas. GIS
facilitates mapping and analyzing areas based on the phone numbers
of their clients or constituents.
The
scenarios presented here are brief descriptions. They are intended
to give an idea of some of the wide variety of application of GIS
as a decision support tool.

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