flooding

Cards (8)

what areas are at risk of flooding?
low-lying parts of flood plains and river estuaries (groundwater flooding)
low-lying areas which are partially unbanised with impermeable surfaces (surface water flooding)
flash flooding within small basins in semi-arid or arid areas
what are the climological causes of flooding?
rain
snowmelt
ice melt
continual rain
what are 'other' causes of flooding?
earthquakes
landslides
failure of dams and other control works
what are part-climatological causes of flooding?
coastal storm surge
estuarine interactions between stream, flow, and tidal conditions
what are physical causes of flooding?
primary causes are meteorological (short term weather events) or longer term climate causes
what is the cause of floods in the uk?
prolonged and heavy rain- associated with depressions and low-pressure systems
usually in early winter but it can occur in summer
what is an example of a flood?
storm desmond
storm desmond info?
cumbria, december 2015
caused by deep atlantic low-pressure system (an intense depression) and the position of the jet stream which blocked high pressure anti-cyclones (so it couldn't move off)
the situation worsened by the already saturated ground (antiseedic conditions)it was the 2nd wettest nov since 1910