One of the many unique landscape features of the hyper-arid Atacama Desert are its polygonal networks: cracks in the salt-cemented ground that extend for hundreds of meters. These polygons were investigated using ground-penetrating radar (GPR) with a 2D and 3D survey. With the support of simulations, the GPR response was characterized and sand wedges were detected in the post-processed data, and validation was achieved
with aerial photographs of the area. This study demonstrates the capability of GPR to detect and map shallow polygonal structures even when hidden by dust and sand.
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Der Vortrag wird auf Englisch gehalten.