Category Archives: GIS

A significant advance in sensor technology stemmed from subdividing spectral ranges of radiation into bands (intervals of continuous wavelengths), allowing sensors that produce several bands of differing wavelengths to form multispectral images. This concept should be familiar to anyone who … Continue reading →

The Geographic Information System (GIS) is a computer-assisted system for acquisition, storage, analysis and display of geographic data. GIS allows for creating, maintaining and querying electronic databases of information normally displayed on maps. These databases are spatially oriented, the fundamental … Continue reading →

Geographic information system (GIS) organizes data spatially. Natural features (a mountain range or river) and events (an earthquake or flood) as well as human activities can be linked by their location. This data can be georeferenced through a set of … Continue reading →