Aerial survey of the Outer Hebrides: partly submerged prehistory!

Following on from November’s aerial survey we have looked into ways to present some of the archaeology from the air. Several aerial shots of the chambered cairn at Geirisclett, North Uist have been compiled into a 3D photogrammetry model.

The cairn is located at the tip of a small promontory and is now partly inundated at high tide, see the monument here in its current coastal environment.

Fishtraps, fishtraps, everywhere!

During the aerial photography survey of the intertidal zone of the Outer Hebrides several new sites have been discovered. Many of these features are stone-built walls, probably fishtraps  – often called ‘yairs’ in Scotland. They are also likely to be useful causeways too.

We count five intertidal walls from this intertidal inlet at Hartavagh, South Uist – how many can you spot?


Aerial survey of the Outer Hebrides

Earlier this week a small team from WA Coastal & Marine and RCAHMS made a series of flights from Barra to Lewis involving detailed aerial photography of the intertidal zone in the hunt for previously unrecorded sites. BBC Alba reported on the proceedings.

It was a very successful trip identifying several new sites including a spectacular complex of yairs (fish traps). Over the next few weeks the results will be analysed and reported.

More to follow soon!