Rising ELA and Expanding Proglacial Lakes Lead to Initiation of Rapid Retreat of Brady Glacier, Alaska

• Main Authors: M. Pelto, D. Capps, J. J. Clague, B. Pelto
• Other Authors: The Pennsylvania State University CiteSeerX Archives
• Format: Text
• Language: English
• Subjects: glacier retreat; Glacier Bay; equilibrium line altitude; Ela; Western Glacier; glacier; glaciers; Tidewater; Yakutat; Alaska
• Online Access: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.372.9856; http://www.nichols.edu/departments/glacier/ESC2012.pdf

Brady Glacier, Alaska, is a large tidewater glacier that is beginning a period of substantial retreat. Examination of 27 Landsat and MODIS images from the period 2003–2011 indicates that Brady Glacier has a mean ELA (equilibrium line altitude) of 745 m and AAR (accumulation area ratio) of 0.40. The...