GPR raw data and models

There are three zipped folders of raw GPR data files (100 MHz, 50 MHz and CMP data) collected to investigate fractures and karst in a limestone quarry. A fourth folder (Models) contains synthetic GPR data and models used to aid interpretation of the processed GPR data. The research team acquired high-resolution GPR profiles adjacent to known fracture zones using 50, 100, and 200 MHz antennae (not available), targeting areas near the exposed section of the void. To better constrain subsurface geometry and increase confidence in data interpretation, the team collected common-midpoint (CMP) gathers to estimate electromagnetic wave velocities. These velocities facilitated stratigraphic interpretation and informed the construction of two-dimensional ray-trace models. Synthetic radargrams produced from these models served to validate and refine the interpretation of the GPR data.