Salmon Glacier has receded at a consistent rate since 1982, averaging a loss of about -0.23% of it’s surface area each year. Most of this recession is occurring at the southern terminus at the beginning of the Salmon River. Surface area data for 1982 and 2005 is from the Bolch et al. (2010) glacier inventory. Surface area in 2010 was mapped by M. Beedle from Landsat satellite imagery.
Bolch, T., Menounos, B., and Wheate, R., 2010, Landsat-based inventory of glaciers in western Canada, 1985-2005, Remote Sensing of Environment, 114, 127-137.