TY JOUR TI MANAGEMENT DECISION-MAKING IN THE PREVENTION OF EMERGENCIES CAUSED BY FLOODS ON THE BASIS OF CLUSTER ANALYSIS OF ICE MONITORING SITES KW decision-making KW system analysis KW crisis management KW cluster analysis KW optimal control problem JO Scientific and analytical journal «Vestnik Saint-Petersburg university of State fire service of EMERCOM of Russia» AU Butuzov, S.Y. AU Ostudin, N.V. AU Makarova, D.S. PY 2024 IS 2023 PB Saint-Petersburg University of State Fire Service of Emercom of Russia