TY JOUR TI Representative Catalogue of the Neva Floods. Construction Principles KW Neva floods KW representative catalogue KW historical series of floods KW evolution of natural processes on secular intervals KW database of the Neva floods of 18th century JO Russian Journal of Earth Sciences AU Родионов, А.А. AU Лобанов, А.А. AU Малова, Т.И. PY 2025 IS 25 PB Геофизический центр Российской Академии Наук