Dr. Nicholas Lancaster is one of the world’s foremost experts on desert sand dunes. He has worked in deserts in Africa (Namib, Kalahari, northern and western Sahara), Antarctica, and the western United States (Mojave and Sonoran Deserts). His current collaborative research focuses on: (1) Dune dynamics and morphology; (2) Application of remote sensing to assess aeolian transport potential and paleoenvironments in arid regions; (3) Ground penetrating radar (GPR) and optical dating of dune deposits; (4) Impacts of climatic change on desert regions; and (5) Aeolian processes on planetary surfaces.