Geophysical survey

subclass of SAR sensor

detecting parameters of the magnetic field of the earth by flying over the earth's surface

systematic collection of geophysical data for spatial studies, non-invasive physical sensing techniques used for archaeological imaging or mapping

measurement of variations in Earth's gravitational field

the results, digital or printed, of non-invasive physical sensing techniques used for archaeological imaging or mapping

measuring of distortions of the earth's magnetic field

depth at which rocks in a specific geographical area encounter the Curie temperature