To geologist, the field is where rocks or soils can be observed in place, and field geology consist of the methods used to examines and interpret structures and materials at the outcrop. Field studies are primary means of obtaining geologic knowledge. Some studies may be as simple as visiting a single outcrop or quarry, making notes and sketches on the relations between certain rocks, and colle…
In the broadest sense, remote sensing encompasses the total observational process from remote platforms, It typically entails the use at a distance (as from aircraft, spacecraft or ship) of any system for gathering information pertinent to the environment.