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Geodesy

greenland

Geodesists on Tour: Circumnavigating Greenland by Helicopter

and March 30, 2026
Geodesists on Tour: Circumnavigating Greenland by Helicopter
Enjoying the view after a long day in the field. Picture cortesy by Jean-Marie Bärtsch.

  Greenland, the world’s largest island, has one of the most challenging environments for geodetic measurements. Maintaining GNSS (Global Navigation Satellite Systems) stations here isn’t just about precision – it’s about ensuring data continuity in an area that’s constantly moving. This is the behind-the-scenes story of a 15,000 km journey around Greenland: five weeks of helicopter-bas ...[Read More]

Geodesists on Tour: On a Campaign in the Arctic with a Giraf(f)e in the Aircraft

and November 6, 2023
Geodesists on Tour: On a Campaign in the Arctic with a Giraf(f)e in the Aircraft
First view of the Greenland east coast after crossing the Denmark Strait

  Way too early on a Saturday morning in late June 2023 I woke up and started my travel to a small airport in Akureyri, North-East Iceland. This is the location of an Icelandic charter company called Norlandair that we used for our airborne geophysical surveys and logistic operations in the Arctic. For a few months I had been preparing a survey to test a new quantum-based technology for airbo ...[Read More]