Rule of Twelfths vs the Cosine Model
This lesson is part of the course
In this lesson
You estimate the rising tide hour by hour with the sailors' rule of twelfths, compare it with a cosine model of the same tide and measure the largest gap.
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Lessons in this course
- One Constituent: the Semidiurnal M2 Tide as a Cosine Locked
- Two Constituents: M2 + S2, Spring and Neap Tides (with a Chart) Locked
- High & Low Water: Times and Heights from a Modelled Curve Locked
- Rule of Twelfths vs the Cosine Model Locked
- Tidal Range, Tidal Streams & the Tidal Prism Locked
- Wave Speed in Deep vs Shallow Water Locked
- Wave Height, Energy & Wave Power per Metre Locked
- Sea-Level Trend from Annual Means: SLOPE, mm/yr & a Trendline Locked