1. Base your answer to the following question on the diagram below. The arrows show the direction in which sediment is being transported along the shoreline. A barrier beach has formed, creating a lagoon (a shallow body of water in which sediments are being deposited). The eroded headlands are composed of diorite bedrock. A groin has recently been constructed. Groins are wall-like structures built into the water perpendicular to the shoreline to trap beach sand. Streams carrying sediments Eroded headland Веach Wetlands Groin Lagoon Ocean Sediments deposited in quiet water Barrier beach Sand deposited on beach and on seafloor 1.Why do you think that deposition is the dominant process in the lagoon? 2. How can you tell from the diagram that the headland is eroding? 3. Which side of the groin do you think sediment will build up on? Why?
1. Base your answer to the following question on the diagram below. The arrows show the direction in which sediment is being transported along the shoreline. A barrier beach has formed, creating a lagoon (a shallow body of water in which sediments are being deposited). The eroded headlands are composed of diorite bedrock. A groin has recently been constructed. Groins are wall-like structures built into the water perpendicular to the shoreline to trap beach sand. Streams carrying sediments Eroded headland Веach Wetlands Groin Lagoon Ocean Sediments deposited in quiet water Barrier beach Sand deposited on beach and on seafloor 1.Why do you think that deposition is the dominant process in the lagoon? 2. How can you tell from the diagram that the headland is eroding? 3. Which side of the groin do you think sediment will build up on? Why?
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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1. Base your answer to the following question on the diagram below. The arrows show the direction in which
sediment is being transported along the shoreline. A barrier beach has formed, creating a lagoon (a shallow
body of water in which sediments are being deposited). The eroded headlands are composed of diorite
bedrock. A groin has recently been constructed. Groins are wall-like structures built into the water
perpendicular to the shoreline to trap beach sand.
Streams carrying
sediments
Eroded
headland
Beach
Groin
Lagoon
Осean
Sediments
deposited in
quiet water
N-
Barrier beach
Sand deposited
on beach and on
seafloor
1.Why do you think that deposition is the dominant process in the lagoon?
2. How can you tell from the diagram that the headland is eroding?
3. Which side of the groin do you think sediment will build up on? Why?
4. What do you think will happen on the other side?
5. What possible problems could this create?
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