tide notes part 2
TRANSCRIPT
Tides
Different kind of tides
Monthly tidal cycle based on Earth-sun-moon positionSpring & Neap tides
Spring Tide
- Highest high tide and lowest low tide- Greatest tidal range
Moon phase: New or Full
earth
moon sun
- Sun, Earth, and Moon are all aligned - gravitational force of the moon and sun combine
Spring Tide
Moon phase: New or Full
Neap Tide
- High tides are lower and Low tides are higher than normal- moderate tidal range
Moon phase: First Quarter or Third Quarter
earth
moon
sun
- Sun and Moon are at a right angle (perpendicular)- gravitational force of the moon and sun partially cancel
Neap Tide
Moon phase: 1st Quarter & Third Quarter
solar tide partially cancels out lunar tide
Sun and moon effects can be additive or not…
earth
moon
sun
Draw in the tidal bulges
earth
moon
sun
earth
moon
sun