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3 Journal of Polish Safety and Reliability Association

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Baltic Sea Port Waters Extreme Events of Last 30 Years Caused by Climate-Weather Hazards

Bogalecka M., Jakusik E., Kołowrocki K.

Journal of Polish Safety and Reliability Association

2017

Vol. 8, No. 4

141--146

The paper deals with the sea accidents that have occurred at the Baltic Sea port waters for last three decades. For each accident, the climate-weather change process state is fixed to examine the weather hazard influence on this accident. Moreover, the Baltic Sea port waters accidents caused by the extreme weather hazard states are described.

Baltic Sea Open Waters Extreme Events of Last 30 Years Caused by Climate-Weather Hazards

Bogalecka M., Jakusik E., Kołowrocki K.

Journal of Polish Safety and Reliability Association

2017

Vol. 8, No. 4

135--140

The paper deals with the sea accidents that have occurred at the Baltic Sea open waters for last three decades. For each accident, the climate-weather change process state is fixed to examine the weather hazard influence on this accident. Moreover, the Baltic Sea open waters accidents caused by the extreme weather hazard states are described.

Modelling climate-weather change process including extreme weather hazards for critical infrastructure operating area

Kołowrocki K., Soszyńska-Budny J.

Journal of Polish Safety and Reliability Association

2016

Vol. 7, No. 3

149--154

The climate-weather change process for the critical infrastructure operating area is considered and its states are introduced. The semi-Markov process is used to construct a general probabilistic model of the climate-weather change process for the critical infrastructure operating area. To build this model the vector of probabilities of the climate-weather change process staying at the initials climate-weather states, the matrix of probabilities of the climate-weather change process transitions between the climate-weather states, the matrix of conditional distribution functions and the matrix of conditional density functions of the climate-weather change process conditional sojourn times at the climate-weather states are defined. To describe the climate-weather change process conditional sojourn times at the particular climate-weather states the uniform distribution, the triangular distribution, the double trapezium distribution, the quasi-trapezium distribution, the exponential distribution, the Weibull distribution, the chimney distribution and the Gamma distribution are suggested and introduced.