Mapping and investigating landforms and landscapes in land-water transition zones
Verner Brandbyge Ernstsen, Assoc. Prof. IGN/CENPERM
Channelized shallow water systems in land-water transition zones, like rivers in terrestrial environments and inlets and channels in coastal environments, are often associated with high fluxes of sediment (and other materials and compounds). Such systems are therefore often morphologically dynamic, with small scale landforms changing and adapting over very short time scales (i.e. minutes to hours), while large-scale landforms and complete landscapes may require longer time scales to evolve and adapt (i.e. years to decades to centuries). The high energy and dynamic nature of these shallow water systems make them challenging to access, and therefore challenging to map and to investigate. However, in the last decade the emergence of vessel borne shallow water multibeam echsounder systems has provided new possibilities of quantifying landforms and landscapes in shallow water environments with unprecedented resolution and precision. In combination with the recent emergence of airborne topobathymetric LiDAR systems, the potential for detailed seamless mapping of shallow water systems in land-water transition zones now exists. Here, examples from investigations in high energy shallow water systems will be presented; and the potential of applying these new technologies and methodologies in arctic environments will be discussed, including how this could complement the running CENPERM activities.
Welcome – no registration is necessary
Venue: Department of Geosciences and Natural Resource Management,
Øster Voldgade10, Rød Stue, area 6, 1. Floor