GEOPHYSICAL SURVEY

SN Ground-based or marine subsurface mapping of archaeological features using different sensing technologies. Most commonly applied are magnetometers, electrical resistance meters, ground penetrating radar, side scan sonar, and electromagnetic conductivity.
CL NON INTRUSIVE EVENT
BT FIELD SURVEY
NT 3D SEISMIC SURVEY
ACOUSTIC GROUND DISCRIMINATING RADAR
EARTH RESISTANCE (RESISTIVITY) SURVEY
ELECTRICAL RESISTIVITY TOMOGRAPHY
ELECTROMAGNETIC SURVEY
GROUND PENETRATING RADAR SURVEY
MAGNETIC SUSCEPTIBILITY SURVEY
MAGNETOMETRY SURVEY
MICROGRAVITY SURVEY
SEISMIC SURVEY
SONAR SURVEY