Fig. 15From: Environmental and anthropogenic gravity contributions at the Þeistareykir geothermal field, North IcelandMeasuring setup at Þeistareykir for determination of the free-air vertical gravity gradient with the help of a CG5 Scintrex gravity meter and a tripod; gravity measurements were performed directly on the concrete pillar, at 60 cm and at 120 cm above the pillarBack to article page