Nyeste anskaffelser der leverandøren Terratec nevnes
2015-08-17Procurement of airborne gravimetry (Statens kartverk (The Norwegian Mapping Authority))
Dedicated gravity satellites provide good global geo-potential models of the earth's gravity field, but the spatial distribution is not so good. Ground measurements are much more exact, but are time consuming. It is almost impossible to carry out measurements in some areas with rough topography.
Airborne gravity measurements can be carried out from relatively low heights and complement the two other techniques. Specialised instruments, such as BGM-3 (Bell sea gravimeter) or Lacoste and Romberg sea/plane …
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