Figure 1

Location map; Map A, South America and the location of the study area also showing the existing North and South Patagonian Icefields (dark grey) together with the mapped LGM ice sheet (light grey)11.
Map B is adapted from17 and shows the modelled ice thickness based on mapped outer limits in the Lago Buenos Aires Lobe. The white box shows the location of the study area and transect that forms the focus of this study (see Figure 2).