Other Environmental Sciences Commons^™

Great Salt Lake Past And Present: Elevation And Salinity Changes To Utah's Great Salt Lake From Railroad Causeway Alterations, James S. White

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Utah's Great Salt Lake contributes and estimated $1.3 billion to the local and regional economy and is a vital food-source for migratory and resident birds. In 1959, the lake was fundamentally changed with construction of an earth-filled, semi-permeable railroad causeway which splits the lake into two "arms". The only flow interaction between these two arms is through the semi-permeable causeway material, and three openings in the causeway. In 2013, two of these causeway openings were closed, and a bridge was proposed to improve flow between arms. Four bridge designs were proposed. I modeled Great Salt Lake water and salt distribution …