Earth: An Introduction to Physical Geology (12th Edition)

Published by Pearson
ISBN 10: 0134074254
ISBN 13: 978-0-13407-425-2

Chapter 20 - Section 20.8 - Tides - Concept Checks - Page 624: 2

Answer

Neap tides and ebb tides are different tidal phenomena. Neap tides occur when the gravitational forces of the Moon and the Sun are at right angles to each other, resulting in their partial cancellation. As a result, the difference between high and low tides is at its minimum. Neap tides happen during the first and third quarter moon phases, producing lower high tides and higher low tides compared to the average tidal range. On the other hand, ebb tides refer to the outgoing or falling tide that occurs when the water level is receding from its highest point (high tide) to its lowest point (low tide). Ebb tides are a natural part of the tidal cycle and happen twice a day in coastal areas. During ebb tides, the water is flowing away from the shore and back toward the ocean

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