Ten years on: Geophysical survey on the ‘Heart of Neolithic Orkney’ World Heritage Area

2009 marks an important landmark in the use of geophysical survey on Orkney, as it is now 10 years since the first work was undertaken on the Heart of Neolithic Orkney World Heritage Area. This work began with a gradiometer survey of a few fields around the Stones of Stenness in 1999, which evolved into the WHA Inner Buffer Zone project in 2002. By 2009 the area investigated has expanded to cover almost 300ha of detailed gradiometer survey. Data has been collected at 1 m by 0.25 m intervals...