What are tides
Regular movements of the seas surface caused by the gravitational pull of the moon and sun on the oceans
Particularly the moon
Description
Sea pulled in direction of the moon (towards it) and simultaneously away from it on the opposite of the world
Spring tide when and what
Occurs when it is a full moon or new moon
Highest high tide and lowest low tide
Neap tide when and what
First quarter moon and last quarter moon
Lowest high tide and highest low tide
Examples of tides affecting access to places (1)
Lindisfarne/ holy island
Example of extreme tide
Talbot bay- two bays, reef in the ocean creates a suction and tide suddenly goes out
Called horizontal water fall
Dangerous bay in uk
Morecambe bay
Very flat
Group of about 30 cockle collecter got caught and killed
Tides come in extremely quickly
Examples of how shapes of land affect tides
New Zealand has low tide on one side and high tide on the other as blocks the tide
Uk and Europe have very deep water to suddenly very shallow water so tides occur very fast
Tidal bore
Leading edge of the incoming tide forms a wave of water that travels up a river or narrow bay against the direction of the current
Example of tidal bore
Bristol
Huge event with many surfers