The article presents a description of the survey campaign of Lake Kisajno, located on the Great Masurian Lakes route. During the modern hydroacoustic survey, GNSS satellite positioning techniques and an ultrasonic sounder were used. The collected measurement data were used to develop an up-to-date numerical terrain model of the lake bed. The bathymetric measurements of Lake Kisajno included the location of underwater obstacles: stone reefs and individual boulders. The newly developed lake bed terrain model, along with the identified hazardous areas, was used to design the locations for cardinal marks in the IALA system. By using an up-to-date, accurate bathymetric map and GNSS satellite positioning, one can safely navigate the lake both day and night.The vast majority of inland water bodies in Poland have outdated bathymetric maps. (…)
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Source: Logistyka Magazine
Development of a digital terrain model of the Kisajno lake bed – PDF file for download