Fig. 1
From: Ash fall impact on vegetation: a remote sensing approach of the Oldoinyo Lengai 2007–08 eruption
Oldoinyo Lengai, surrounding volcanoes and tectonic structures. a: Shaded relief map based on the SRTM Digital Elevation Model highlighting main volcanoes and craters; (b) Land cover map of the study area based on the FAO classification scheme (FAO 1998). Red lines highlight the approximated isopach lines of the 2007–08 ash layers inferred by Sherrod et al. (2013). The full triangle marks the location of Oldoinyo Lengai