acquiring information about an object without physically coming into contact with it. Selective Availability (S/A) - Spatial analysis - the process of extracting or creating new information about geographic features by combining and intersecting existing maps. Also refers to statistical analyses conducted on spatial data (e.g. measures of aggregation or dispersal, interpolation of data between known sample points, krieging surfaces).
The process of collecting data about something from a point far away. A satellite making observations of the Earth, therefore, is using its equipment for remote sensing.
the analysis and interpretation of the earth's landscape and resources using aerial photography or satellite imagery. This is especially useful for public health analysis in the study of disease host and vector habitats, extent and magnitude of disease events and natural disasters, and changes in observations over time.