The "Eighty-Third Parallel" refers to a specific line of latitude located at 83 degrees north of the equator. This parallel runs through the Arctic region, primarily over the Arctic Ocean and parts of the surrounding landmasses. It is significant in geography and climate studies, as it marks a boundary where extreme polar conditions prevail. In terms of exploration, the Eighty-Third Parallel has been a point of interest for scientists and adventurers, including notable figures like Robert Peary and Roald Amundsen. Their expeditions contributed to our understanding of the Arctic environment and its unique ecosystems, which are increasingly affected by climate change.