Exam 19: Shorelines

Where does most active sediment transport occur?

Tidal bulges are caused purely by the gravitational attraction of the Sun and Moon.

The ________ is the line that marks the contact between land and sea.

The two greatest sources of coastal sediment deposits are waves and currents bringing in sediment eroded from the offshore seabed and winds that blow silts and sands off the adjacent land areas.

________ currents refer to water moving parallel to a shoreline.

A ________ migrates inland as a wave-cut platform is extended.

Much of the sediment deposited in the underwater portion of the coastal profile is caused by ________.

What is the minimum wind velocity needed to create a wave?

A ________ is a high rocky pinnacle that rises from a wave-cut platform.

Construction of seawalls preserves the coastline and promotes the building of beaches on the seaward side.

Where is wave attack the strongest?

Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. -Choose the option that does not fit the pattern.

How, if at all, did sea level change at the end of the Pleistocene Epoch?

Compared to earthquakes, volcanic eruptions, and landslides, coastal environments are safe and have only a minor chance of any geologic hazards or sudden environmental changes.

________ refers to the movements of sand and water on a beach face due to a breaking wave.

Falling tides and tidal currents flowing from an estuary to the open sea are known as ________.

Which is higher, the tidal bulge on the side facing the moon, or the one farthest away, and why is this so?

With respect to constructing seashore buildings or foreshore engineering works, the best advice should be: ________.

If the distance from one wave crest to the next is 10 metres, what will the depth to the wave base be?

Where is Canada's greatest tidal range?