Physical causes of coastal flooding

Question 1

How do tidal currents and surges cause flooding?

Answer 1

Funnelled into a coastal bottleneck, such as the English Channel forcing sea levels higher

Question 2

How can high amounts of rainfall and high river discharge cause flooding?

Answer 2

If sea level at river mouth is high, due to spring tides. A large volume of water may be unable to drain into the sea

Question 3

How can strong onshore winds cause flooding?

Answer 3

Can force water to higher levels along the coast, allowing waves further inland