As the planet warms, a contingent of archaeologists has taken on the task of collecting and identifying what glaciers and other ice patches release as they melt.
Climate change has nonetheless led to a renaissance in the mini-field of glacial archaeology, which is something of a misnomer. For its part, Secrets of the Ice prefers to work on and around ice patches that move little instead of glaciers, which contain relatively young ice and grind up artifacts. Pilø and others pore over maps and geographical databases to find the best spots and sometimes take to the air in helicopters.
Once they have decided on a location, they hike up to it and camp sometimes for weeks on end while scouring the margins where the ice has just melted. They slowly patrol up and down the ribbon of bare rock where the surrounding lichen has yet to rebound , looking for what the ice has just released. Their recent discoveries include a worn knife blade, a snowshoe for a horse and a“Such shell arrowheads are only known in Norway and in northwest America,” said Pilø.
Innlandet County remains the center of Norwegian glacial archaeology, and Secrets of the Ice claims to have made more than 3,700 finds there across some 65 sites. Scientists have also practiced the field in Western Canada, the Rocky Mountains and Alaska, where higher-than-average temperatures have worn away the ice.
Part of the Norway Department of Cultural Heritage, Secrets of the Ice stands as the most prominent effort, with roots extending to a dramatic melting in 2006 that revealed, among other things, an Early Bronze Age shoe. The group has also discovered hundreds of Viking artifacts, particularly in the Lendbreen pass, a ridge where the people had traveled and stacked rock cairns to mark the way.
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