This example refers to our expected trip day, 17 August, on the Namley Harbour tide table.
举个例⼦,8⽉17⽇是我们预计出⾏的⽇⼦,以下为纳姆利港⼝潮汐表上的信息。
From the tide table, on 17 August the range after the morning high water is: 据潮汐表,8⽉17⽇,在早上的⾼潮过后,潮差是: HW=3.3 - LW=1.1 = 2.2m ⾼潮 3.3⽶ – 低潮1.1⽶ = 2.2⽶ For the Percentage Rule: 百分⽐法则:
10 per cent of range = 10 per cent of 2.2 = 0.22m. 潮差的10% = 10% x 2.2⽶ = 0.22⽶ For the Rule of Twelfths: ⼗⼆分之⼀法则: