They have no pipe wrench or cleaning tape, the two geographers Kirstine Skov and Laura Helene Rasmussen. Instead they master several other advanced tools out here in the arctic wilderness.

And you need to watch your step when determining the water level of the Zackenberg River. Kirstine Skov adjusts the bubble level to horizontal while Laura Rasmussen holds the gauge at the fixed measurement spots. Afterwards they record the depth of the river by pulling a so-called Q-liner across the river. With sound waves, it measures the water depths despite the turbidity of the water.

Read more