Open AccessArticle by Ira Didenkulova 1,*, Andrey Zaitsev 2 and Efim Pelinovsky 3,4 1 Department of Mathematics, University of Oslo, 0851 Oslo, Norway 2 Special Research Bureau for Automation of Marine Researches, Far Eastern Branch of Russian Academy of Sciences, Yuzhno-Sakhalinsk 693023, Russia 3 Institute of Applied Physics, Russian Academy of Science, Nizhny Novgorod 603950, Russia 4 V.I. Il’ichev Pacific Oceanological Institute, Far Eastern Branch of Russian Academy of Sciences,...