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Geographic information systems.
Author(s) -
Obaidullah Khan
Publication year - 1999
Publication title -
american journal of public health
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.284
H-Index - 264
eISSN - 1541-0048
pISSN - 0090-0036
DOI - 10.2105/ajph.89.7.1125
Subject(s) - environmental health , medicine , geography
One of the main challenges of the 21st century are caused by the large amount of geospatial information through a GIS. Throughout time there have been many attempts to define Geographic Information Systems (GIS). Yet there is no consensus on define it and restrict it to one definition is limited. In the acronym Geographic Information Systems the geographic refers to the Earth’s surface and near-surface, therefore, all human production and activity, and non-human are possible spatialization in GIS. GIS is recognized as an analytical and decision-making tool with many uses in different fields. Likewise it is used in many industries plus commercial, education or government. It is powerful for

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