Tides

Question 1

Formula for % Springs?

Answer 1

(Predicted Range - Neap Range) / (Spring range - Neap Range) x100

Question 1

What are the three rules?

Answer 1

1. Its never more than a 100%
2. Its never negative
3. Always from Neap towards Spring

Question 2

What are the main factors we have tides?

Answer 2

The gravitational pull of the moon and the sun
Springs = Sun , Earth & moon in line (MHWS, MLWS)

Neap = Sun & Moon in right angle to the Earth (MHWN, MLWN)

Question 3

What are the secondary factors we tides?

Answer 3

Centrifugal- & Centripetal forces
Pressure systems
Local wind systems

Question 4

What are the three different types of tides?

Answer 4

Semi-diurnal tide = two highs and two lows a day

Diurnal tide = one high and one low a day

Mixed tide = Two highs and one low or two lows and one high a day