Investigation of coastline changes and inshore hydrotechnical objects location using GNSS technology

Many tasks related to aquatic environment studies and monitoring of phenomena require access to current and reliable information on spatial objects. Hydrotechnical infrastructure located in the coastal zone of the lakes is characterised by relative high dynamics of changes. Considering the shape and size those are hard for taking their inventory using the standard photogrammetric or remote sensing techniques. The paper presents the results of research work aimed at automation of the gathering, processing and using the data on the course of the coastal line of lakes and the coastal infrastructure objects. The work was conducted using GNSS satellite measurements on test objects located on Lake Dargin and Lake Kisajno. Additionally, the results of measurements using the ASG-EUPOS system and the prospects for using that system for objects situated in the coastal zone of water reservoirs were presented.