Zusammenfassung der Ressource
Waves and Tides
- Constructive waves
- Frequency: 6-9 waves per minute
- Stronger swash than backwash
- Long wave period
- Low flat waves
- Flat wide beach
- Wavelength: large 100m
crest-crest
- Low energy (deposition)
- Destructive waves
- Frequency: 11+
waves per minute
- Stronger
backwash than
swash
- Short wave period
- Tall steep waves
- Steep beach
- Wavelength: small 20m
crest-crest
- High energy (transportation)
- Spring tide
- Tidal range at its largest
- The moon is between the
earth and the sun
- Gravitational pull combines creating
biggest bulge of water and largest tide
- Highest high tides
- Lowest low tides
- Neap tide
- Small tidal range
- The earth, moon and sun
form a right angle
- Gravitational fields interfere
- Lowest high tides
- Highest low tides
- Tides are the periodic rise
and fall in the level of the sea