GNGTS 2023 - Atti del 41° Convegno Nazionale

Session 3.2 ___ GNGTS 2023 Gusmeroli, A., Arendt, A., Atwood, D., Kampes, B., Sanford, M., Young, J., 2013. Variable penetration depth of interferometric synthetic aperture radar signals on Alaska glaciers: A cold surface layer hypothesis . Annals of Glaciology, 54(64), 218-223. doi:10.3189/2013AoG64A114. Irvine-Fynn, T.L., Moorman, B.J., Williams, J.M., Walter, F.A., 2006. Seasonal changes in groundpenetrating radar signature observed at a polythermal glacier, Bylot Island, Canada . Earth Surface Processes and Landforms, 31 (7), 892-909. King, E.C., Smith, A.M., Murray, T., Stuart, G.W., 2008. Glacier-bed characteristics of midtre Lovénbreen, Svalbard, from high-resolution seismic and radar surveying. Journal of Glaciology, 54 (184), 145-156. MacGregor, J.A., Li, J., Paden, J.D., Catania, G.A., Clow, G.D., Fahnestock, M.A., Gogineni, S.P., Grimm, R.E., Morlighem, M., Nandi, S., Seroussi, H., Stillman, D.E., 2015. Radar attenuation and temperature within the Greenland Ice Sheet . J. Geophys. Res. Earth Surf., 120, 983-1008, doi:10.1002/2014JF003418. Matsuoka, T., Fujita, S., Mae, S., 1996. Effect of temperature on dielectric properties of ice in the range 5-39 GHz . J Appl Phys. 80(10):5884-5890. Matsuoka, T., Fujita, S., Mae, S., 1997. Dielectric properties of ice containing ionic impurities at microwave frequencies . The Journal of Physical Chemistry B, vol. 101, no. 32, pp. 6219- 6222. Mätzler, C., and Wegmüller, U., 1987. Dielectric properties of freshwater ice at microwave frequencies . J. Phys. D Appl. Phys., 20, 1623. Pettersson, R., Jansson P., Holmlund P., 2003. Cold surface layer thinning on Storglaciären, Sweden, observed by repeated ground penetrating radar surveys. J. Geophys. Res., 108(F1), 6004, doi:10.1029/2003JF000024. Santin, I., Colucci, R.R., Zêbre, M., Pavan, M., Cagnati, A., Forte, E., 2019. Recent evolution of Marmolada glacier (Dolomites, Italy) by means of ground and airborne GPR surveys. Remote Sens. Environ. 235 https://doi.org/10.1016/j. rse.2019.111442. Sevestre, H., Benn, D.I., Hulton, N.R.J., Bælum, K., 2015. Thermal structure of Svalbard glaciers and implications for thermal switch models of glacier surging . J. Geophys. Res. Earth Surf., 120, 2220-2236, doi: 10.1002/2015JF003517. Zhao, W., Forte, E., Colucci, R.R., Pipan, M., 2016. High-resolution glacier imaging and characterization by means of GPR attribute analysis. Geophysical Journal International, 206 (3), 1366-1374. Acknowledgements