Storm surge
Groynes in coastal engineering (CIRIA C793), published by CIRIA in 2020, defines a storm surge as: ‘A rise in the sea surface on an open coast, resulting from reductions in atmospheric pressure during a storm including any amplification as the additional water is pushed into coastal bays.’
Climate Change 2021, The Physical Science Basis, published by the Intergovernmental Panel on Climate Change in 2021, defines a storm surge as: ‘The temporary increase, at a particular locality, in the height of the sea due to extreme meteorological conditions (low atmospheric pressure and/or strong winds). The storm surge is defined as being the excess above the level expected from the tidal variation alone at that time and place.’
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