LAKE MOVEMENTS WITH PARTIAL ICE COVER

• Main Authors: M. D. Palmer, J. Bryan Ixatt
• Other Authors: The Pennsylvania State University CiteSeerX Archives
• Format: Text
• Language: English
• Subjects: Ice Sheet
• Online Access: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.558.3713; http://www.aslo.org/lo/toc/vol_17/issue_3/0403.pdf

A recording current meter was operated under a winter ice sheet at Nanticoke, Lake Erie, in 11 m of water at a depth of 3 m from the bottom. Current magnitude and direc-tion and water temperature were measured every 10 min. Current magnitudes up to 1 month after the ice sheet formed were similar to measurements made without ice; auto-variance density spectra for this period showed energy concentrations at frequencies cor-responding to the fret oscillation modes of Lake Erie. Several months after the ice had been in place the measured currents were half as fast (3-9 cm/set) and spectra during this period showed no energy concentrations at Lake Erie oscillation frequencies.