photogrammetry

Looking up Crane Glacier, December 21 1968. PGC, UMN, CC BY         By Ryan North, University of Wollongong and Tim Barrows, UNSW Sydney       In March 2002, the Larsen B Ice Shelf collapsed catastrophically, breaking up an area about one-sixth the size of Tasmania. In a paper published today in Scientific Reports, we used nearly 1,000 film photographs of Antarctica from the 1960s to reconstruct exactly […]