Antonios Giannopoulos

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—We use ground-penetrating radars (GPRs), firn cores, and electromagnetic finite-difference time-domain (FDTD) numerical modeling to characterize the GPR response to a frozen high-arctic firn pack. As a result of extensive summertime perco-lation, the firn pack comprises a high fraction of ice layers, lenses, and vertical glands. We show that the GPR(More)
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