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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 Wetlands Groin Lagoon Ocean 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? Before its formation, the lagoon is part of the ocean. In the lagoon, deposition process dominates, streams carry sediments are flowing into lagoons and they deposit the sediments there. Also water the lagoon have fewer flow characteristics, which reduces the erosion process. 2. How can you tell from the diagram that the headland is eroding? Arrows are representing the direction of sediments flow. It means sediments are flowing from headlanc which are the source of sediments after erosion because there is nothing from where sediments can for except for headland erosion. 3. Which side of the groin do you think sediment will build up on? Why? The groin is formed perpendicular to the shoreline and it is in the path of sediments flow. Arrows show sediments-are flowing from east to west. Therefore I think sediments will be deposited on the eastern side of groins. 4. What do you think will happen on the other side? 5. What possible problems could this create?

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 Wetlands Groin Lagoon Ocean 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? Before its formation, the lagoon is part of the ocean. In the lagoon, deposition process dominates, streams carry sediments are flowing into lagoons and they deposit the sediments there. Also water the lagoon have fewer flow characteristics, which reduces the erosion process. 2. How can you tell from the diagram that the headland is eroding? Arrows are representing the direction of sediments flow. It means sediments are flowing from headlanc which are the source of sediments after erosion because there is nothing from where sediments can for except for headland erosion. 3. Which side of the groin do you think sediment will build up on? Why? The groin is formed perpendicular to the shoreline and it is in the path of sediments flow. Arrows show sediments-are flowing from east to west. Therefore I think sediments will be deposited on the eastern side of groins. 4. What do you think will happen on the other side? 5. What possible problems could this create?

Applications and Investigations in Earth Science (9th Edition)
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 Ocean Sediments deposited in quiet water -E Barrier beach Sand deposited on beach and on seafloor 1.Why do you think that deposition is the dominant process in the lagoon? Before its formation, the lagoon is part of the ocean. In the lagoon, deposition process dominates, streams carry sediments are flowing into lagoons and they deposit the sediments there. Also waten the lagoon have fewer flow characteristics, which reduces the erosion process. 2. How can you tell from the diagram that the headland is eroding? Arrows are representing the direction of sediments flow. It means sediments are flowing from headlanc which are the source of sediments after erosion because there is nothing from where sediments can for except for headland erosion. 3. Which side of the groin do you think sediment will build up on? Why? The groin ip formed perpendicular to the shoreline and it is in the path of sediments flow. Arrows show t sediments-are flowing from east to west. Therefore I think sediments will be deposited on the eastern side of groins. 4. What do you think will happen on the other side? 5. What possible problems could this create? MacBook Pro
Transcribed Image Text: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 Ocean Sediments deposited in quiet water -E Barrier beach Sand deposited on beach and on seafloor 1.Why do you think that deposition is the dominant process in the lagoon? Before its formation, the lagoon is part of the ocean. In the lagoon, deposition process dominates, streams carry sediments are flowing into lagoons and they deposit the sediments there. Also waten the lagoon have fewer flow characteristics, which reduces the erosion process. 2. How can you tell from the diagram that the headland is eroding? Arrows are representing the direction of sediments flow. It means sediments are flowing from headlanc which are the source of sediments after erosion because there is nothing from where sediments can for except for headland erosion. 3. Which side of the groin do you think sediment will build up on? Why? The groin ip formed perpendicular to the shoreline and it is in the path of sediments flow. Arrows show t sediments-are flowing from east to west. Therefore I think sediments will be deposited on the eastern side of groins. 4. What do you think will happen on the other side? 5. What possible problems could this create? MacBook Pro
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