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LAKE MOVEMENTS WITH PARTIAL ICE COVER
Author(s) -
Palmer M. D.,
Izatt J. Bryan
Publication year - 1972
Publication title -
limnology and oceanography
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.7
H-Index - 197
eISSN - 1939-5590
pISSN - 0024-3590
DOI - 10.4319/lo.1972.17.3.0403
Subject(s) - current meter , current (fluid) , geology , oceanography , environmental science , hydrology (agriculture) , atmospheric sciences , geotechnical engineering
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 direction 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; autovariance density spectra for this period showed energy concentrations at frequencies corresponding to the free oscillation modes of Lake Erie. Several months after the ice had been in place the measured currents were half as fast (3–9 cm/sec) and spectra during this period showed no energy concentrations at Lake Erie oscillation frequencies.