SLIDE 3 CRP 514 CRP 514 INTRODUCTION TO GIS INTRODUCTION TO GIS 3
Introduction Introduction
- Geographic Information System (GIS) is a
Geographic Information System (GIS) is a computer based information system used to computer based information system used to digitally represent and analyze the geographic digitally represent and analyze the geographic features present on the Earth features present on the Earth‘ ‘s surface. s surface.
- Land use has generally been considered a local
Land use has generally been considered a local environmental issue, but it is becoming a force environmental issue, but it is becoming a force
- f global importance. Worldwide changes to
- f global importance. Worldwide changes to
forests, farmlands, waterways, and air are forests, farmlands, waterways, and air are being driven by the need to provide food, fiber, being driven by the need to provide food, fiber, water, and shelter to more than six billion water, and shelter to more than six billion people. people.