Geographical information systems (GIS) have evolved over the past four decades to provide a unique lens on the Earth's surface and near-surface – a lens that is increasingly important in a wide range of tasks associated with geographical information, from simple inventory and map-making to analysis, modeling and spatial decision support. The power of the lens has grown steadily as its functionality, and the methods of representation that underlie it, have grown more and more sophisticated. GIS has become an indispensable tool in the geographical kit, as well as in the broader set of disciplines whose domain covers the surface and near-surface of the Earth. This essay begins with a review of the evolution and current status of ...
Geographical Information Systems Laboratory
Geographical information systems laboratory