Includes in depth discussion on 3D image processing and modeling. Focuses on the three-dimensional application of remote sensing, including LiDAR and digital photography acquired by UAS and terrestrial techniques. Introduces a broad range of data collection techniques and visualization methods. Includes contributions from several outstanding experts and interdisciplinary teams involved in earth sciences. Presents an Open Access chapter about the EU funded CHERISH Project, detailing the development of a toolkit for the 3D documentation and analysis of the combined coastline shared between Ireland and Wales.