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Chapter 16: Problem 7

What characteristic tides are expected during a new Moon or a full Moon? During the first-quarter and third-quarter phases of the Moon? What is meant by a flood tide? An ebb tide?

Short Answer

Expert verified
During a new or full moon, we experience Spring Tides, which have the highest high tides and the lowest low tides. In the first and third quarter phases of the moon, we get Neap Tides, which have lower high tides and higher low tides. A flood tide is when the tide rises and moves towards the shore, and an ebb tide is when the tide recedes and moves away from the shore.

Step by step solution

01

Tide characterization during new and full Moon

During a New Moon or a Full Moon, the Sun, Earth, and the Moon are in alignment, which results in relatively stronger gravitational pulls from the Moon and Sun on Earth's oceans. This coincides with the highest high tides and lowest low tides, a phenomenon known as Spring Tides.
02

Tide characterization during the first and third quarter

During the first and third quarters of the Moon, the Sun, Earth, and the Moon form a right angle. This means the Sun and Moon's gravitational forces work against each other. The result is lower high tides and higher low tides, this phenomenon is known as Neap Tides.
03

Definition of a flood tide

A 'flood tide' refers to the period of time when the tide is rising, or water is flowing towards the shore. It's when the water level is increasing due to the gravitational pull of the moon and sun.
04

Definition of an ebb tide

An 'ebb tide' is the opposite of a flood tide. It refers to the period when the tide is receding, or the water is flowing away from the shore, causing the water level to decrease.

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