TY CONF TI LONG-TERM MONITORING OF SEASONAL AND INTERANNUAL VARIABILITY OF HYDROLOGICAL STRUCTURE IN COASTAL ZONE OF THE NORTH-EASTERN BLACK SEA KW Black Sea KW coastal zone KW cold intermediate layer KW upper quasi-homogeneous layer KW thermocline KW hydrogen sulphide boundary KW monitoring. JO XXVI International Shore Conference "Managing risks to coastal regions and communities in a changing world" AU Podymov, O.I. AU Kuzevanova, N.I. AU Khvorosch, A.B. PY 2024 PB Academus Publishing