Near-surface geophysics
Geophysics of first tens of meters below surface / From Wikipedia, the free encyclopedia
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Near-surface geophysics is the use of geophysical methods to investigate small-scale features in the shallow (tens of meters) subsurface.[1] It is closely related to applied geophysics or exploration geophysics. Methods used include seismic refraction and reflection, gravity, magnetic, electric, and electromagnetic methods. Many of these methods were developed for oil and mineral exploration but are now used for a great variety of applications, including archaeology, environmental science, forensic science,[2] military intelligence, geotechnical investigation, treasure hunting, and hydrogeology. In addition to the practical applications, near-surface geophysics includes the study of biogeochemical cycles.[3][4]