In geology and climatology, a pluvial is either a modern climate characterized by relatively high precipitation, or an interval of time of variable length – decades to thousands of years – during which a climate is characterized by either relatively high precipitation or humidity.

What is the meaning of pluvial?

(Entry 1 of 2) 1a : of or relating to rain. b : characterized by abundant rain. 2 of a geologic change : resulting from the action of rain.

What is pluvial system?

Pluvial flooding refers to flooding events that are caused by extreme rainfall. Such floods occur when the ground cannot absorb rainwater effectively or urban drainage systems are overwhelmed by excessive water flow. ... Floods caused by extreme rain events are an increasing problem for cities worldwide.