Topographic Correction of GPR Lines, Curonian Spit Sand Dunes

Abstract

The Curonian Spit is located off the western coast of Lithuania in eastern Europe. The Curonian Spit is a 98 km long spit that separates the Baltic Sea from the Curonian Lagoon. The Curonian Spit is covered in very large sand dunes that are always changing due to environmental factors. Ground Penetrating Radar (GPR) lines were collected across 7 sand dunes on the Curonian Spit. These lines were collected with a Topcon RL-H4C laser leveler. Topographic measurements were collected along the GPR lines within EKKO-Project 5 software. The original GPR data shows no elevation along the line, but the topographically corrected GPR data shows the topography of the sand dunes as they were when the data was collected. These topographically collected GPR lines can aid in the correct interpretation of the GPR data and show another perspective of viewing these aeolian landscapes.