High school students map glacier with GPS, sonar technology

For the first time since the pandemic, Wrangell High School students traveled to Shakes Glacier to survey the area and measure the rate that the glacier is receding. Students have been recording the glacier's movements since 2011.

This year's cohort included freshman Andrei Bardin-Siekawitch, junior Aubrey Wynne and junior Della Churchill. The trio submitted applications to join the Sept. 7 trip, where they learned about surveying technology, data collection and environmental changes. They also attended a week of lunch meetings in early September to learn about the surveying process and its hi...