Echo sounders make it possible for researchers to observe real-time movements in the water column. This turbulence is important to understand as it affects algal blooms and expansion of hypoxic zones in the Baltic Sea.
Echograms from a Simrad EK80, Southern Quark Turbulent Mixing Expedition with R/V Electra 2019. The expedition is part of a research project at the Department of Geological Science and the Baltic Sea Centre, Stockholm University.
Source: Stockholm University