Joint probability
The probability that two or more variables will assume certain values simultaneously or within particular time intervals.

Judgement
Contribution to decision-making which depends on a person s experience, technical know-how, and ethical or moral values. Landslide hazard represents the expectation of future landslide occurrence based on the existing conditions of an area. Land use change (i.e. forest fires, forest logging, and development activities) and changes in the rate of occurrence of the triggering factors (i.e. climate change) may require new hazard assessment of the particular area.

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