Going to the Beach?

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# Going to the Beach? - PowerPoint PPT Presentation

Going to the Beach?. Instructions on Completing Activities for the Coastal Geomorphology Laboratory. Activity 1: Analyze sea cliff loss. Task 1: Calculate erosion along the Suffolk coastline in the U.K. using ground survey. SUBMISSION IS ADVANCING AT A FRIGHTFUL SPEED. 1 meter per flag.

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### Going to the Beach?

Instructions on Completing Activities for the Coastal Geomorphology Laboratory

Task 1: Calculate erosion along the Suffolk coastline in the U.K. using ground survey
• Finish table
• Calculate erosion rates

Looking east

Bluff (small cliff) retreat from landsliding: how fast? how much?

Analyze 1976 and 1995 and then answer: how much farmland has been lost (sq. meters) and how fast?

• Download these files from the web page version of the assignment
• Print ’76

Analyze 1976 and 1995 and then answer: how much farmland has been lost (sq. meters) and how fast?

• Print ’76
• Color lost farmland
• Make 10 m grid
• Count up lost area
• Measure biggest distance lost & calculate rate of retreat
Activity 1: Task 5 Calculating very long-term rates of cliff retreat using offshore rocks and sea stacks

~6000 YbpPretty close to today…

Approx. last major glacial event

Sea level change curves

Activity 1: Task 5 Calculating very long-term rates of cliff retreat using offshore rocks and sea stacks (10 points)
Activity 1: Task 5 Calculating very long-term rates of cliff retreat using offshore rocks and sea stacks
Overview of Activity 2

You study change in depositional (beach) contexts, using a mixture of maps, aerial photography, and satellite images.

Activity 2
• Task 1. Analyze human modification of California beach: Humboldt Bay
• Task 2. Analyze change accomplished by major storms
• Study the effect of Hurricanes on the Dauphin Island (a barrier island)
Task 1. Analyze human modification of California beaches

You analyze Humboldt Bay… add Jetties