USAP-DC

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Dataset for Tidal modulation of ice streams: Effect of periodic sliding velocity on ice friction and healing Data DOI: https://doi.org/10.15784/601497 Cite as McCarthy, C., Savage, H., & Skarbek, R. (2021) "Dataset for Tidal modulation of ice streams: Effect of periodic sliding velocity on ice friction and healing" U.S. Antarctic Program (USAP) Data Center. doi: https://doi.org/10.15784/601497. AMD - DIF Record(s) USAP-1245871_1 Abstract This data set contains text files for the experimental logs of ice-on-rock friction experiments that were conducted in a double direct shear apparatus at temperatures of -16.4 C to -2 C. There are eleven files (C28-C34, C39-C41, and C44). Each file contains 4 columns of data that correspond to time (s), vertical displacement (microns), friction, and velocity. The data were prepared by converting voltages from experimental feedbacks, to appropriate units using calibrations, as conducted separate. Miscellaneous loading and unloading data were removed and the data was filtered modestly (100 point moving average filter in matlab). The data set includes all information needed to plot friction or velocity vs. time or displacement from the beginning to end of the run. Creator(s): McCarthy, Christine M.; Skarbek, Rob; Savage, Heather Date Created: 2021-12-23 Repository: USAP-DC (current) License: Creative Commons Attribution Only v4.0 Generic [CC BY 4.0] Award(s) NSF 1245871 Version: 1 Related Project(s) Laboratory Study of Ice Deformation under Tidal Loading Conditions with Application to Antarctic Glaciers References Oscillatory loading can alter the velocity rate dependence of ice-on-rock friction (doi:10.1002/essoar.10507278.1) Keywords Antarctica