Download - Going to the Beach? Instructions on Completing Activities for the Coastal Geomorphology Laboratory
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Going to the
Beach?
Instructions on Completing Activities for the Coastal Geomorphology Laboratory
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Activity 1: Analyze sea cliff loss
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Task 1: Calculate erosion along the Suffolk coastline in the U.K. using ground survey
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SUBMISSION IS ADVANCING AT A FRIGHTFUL SPEED
1 meter per flag
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Task 1: Calculate erosion along the Suffolk coastline in the U.K. using ground survey
• Finish table
• Calculate erosion rates
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Task 2. Analyze change in a coastal landslide using aerial photography
Looking east
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Task 2. Analyze change in a coastal landslide using aerial photography
Bluff (small cliff) retreat from landsliding: how fast? how much?
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Task 2. Analyze change in a coastal landslide using aerial photography
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Task 2. Analyze change in a coastal landslide using aerial photography
Analyze 1976 and 1995 and then answer: how much farmland has been lost (sq. meters) and how fast?
1.Download these files from the web page version of the assignment2.Print ’76
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Task 2. Analyze change in a coastal landslide using aerial photography
Analyze 1976 and 1995 and then answer: how much farmland has been lost (sq. meters) and how fast?
1.Print ’762.Color lost farmland3.Make 10 m grid4.Count up lost area5.Measure biggest distance lost & calculate rate of retreat
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Task 3. Analyze change at Point Reyes using a historical map
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Task 4. Compare rates of cliff retreat
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Activity 1: Task 5 Calculating very long-term rates of cliff retreat using offshore rocks and
sea stacks
Sea level change curves
Approx. last major glacial
event
~6000 YbpPretty close to today…
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Activity 1: Task 5 Calculating very long-term rates of cliff retreat using offshore rocks and
sea stacks (10 points)
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Activity 1: Task 5 Calculating very long-term rates of cliff retreat using offshore rocks and
sea stacks
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Overview of Activity 2
You study change in depositional (beach)
contexts, using a mixture of maps, aerial photography, and satellite images.
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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)
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Task 1. Analyze human modification of California beaches
You analyze Humboldt Bay
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Task 1. Analyze human modification of California beaches
You analyze Humboldt Bay… add Jetties
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Task 2. Analyze change accomplished by major storms
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Task 2. Analyze change accomplished by major storms
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Draw out the area lost, using scale
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