title: Duration of the phase of preservation and destruction in cases of deposits of iced categories of SHP (spontaneous) in the territory of Ukraine in the month of the cold period of the year during 1991–2016
abstract: The article deals with the question of the duration of the preservation and destruction phase which were calculated for ice-free periods of the category of SHP and were observed on the territory of Ukraine in the month of the cold period of the year during certain periods 1991–2000, 2001-2010 and 2011-2016. It was established that the duration of the preservation phase and the destruction of ice-oily deposits in the category of SHP is very volatile and ranges from near-instant destruction after 
journal: Physical Geography and Geomorphology