There are different opinions about the definition of
GIS. What is common to these definitions found in the literature is that
GIS is a systematic way of capture, capture, store, manipulate and displaying geospatial data and this process consist of implementation of software, hardware, data and human skill. For example, ESRI defined a
GIS as computer-based technology for mapping and analyzing things that exist and events that happen on earth. The science and technology of
GIS involve query and statistical analysis of database for unique visualization of issues relating to the earth surface. NASA viewed
GIS as “an integrated system of computer hardware, software, and trained personnel linking topographic, demographic, utility, facility, image and other resource data that is
geographically referenced.”
Learn more in:
Geoinformatics in Eco-Climatic Studies