Mid-Unit_TopoRunup_FA23
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Northern Arizona University *
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Course
112
Subject
Geography
Date
Apr 3, 2024
Type
Pages
2
Uploaded by ChancellorGuanaco4197
Name: Section: Due Date: GLG 112: Geologic Disasters Mid-Unit Assignment: Topography and Tsunami Run-Up Purpose: This assignment is designed for you to practice your comprehension of reading topographic maps and applying this knowledge to tsunami run-up hazards and risk. Instructions: Work with 1 – 2 partners to complete the following questions. Make sure everyone in your group understands each step before moving on. Digital versions of the maps are posted to Canvas. Grading criteria for each question is indicated by (
parentheses and italicized
). How to read these topographic maps: •
Each map is oriented with North pointing up. •
Each line represents a single elevation. Not all lines are labeled. •
The interval of the topographic lines will be different for each image in this assignment. •
Blue lines indicate a river. Blue areas are bodies of water. Question 1.
Let’s get oriented. a.
What is the contour interval in Figure 3? (1 point)
b.
When contour lines are very close together, does this indicate a steep or gradual slope? (1 point)
c.
When contour lines are very far apart what does this tell us about the landscape? (1 point)
Question 2.
Match maps in figures 1-3 with the best description. (2 points each) A cliff or very steep slope that flattens out at high elevation. _________________ A small river valley. _________________ A hill with a steeper slope on the left side. _________________ Figure 1. Figure 2. Figure 3. Alfonso
Aguirre
005
10/17/23
200
f
.
Steep
slope
Gradual
Slope
Figure
2
Figure
I
Figuire
3
Name: Section: Due Date: Use Figures 4 – 9 to answer the following questions. Question 2.
Match the pictures of each landscape (Fig. 7-9) with the topographic map (Fig. 4-6) that best represents the features shown. (1 point each) Figure 7 ____________ Figure 8 ____________ Figure 9 ____________ Question 3.
Match each topographic map (Fig. 4-6) with the correct statement about run-up distance and height. Remember: run-up distance
is how far the wave will travel on land and run-up height
is how high the wave will get on land. (2 points each)
Large run-up distance, but low run-up height. ____________
Small run-up distance but high run-up height. ____________
Run-up would be funneled due to a feature, resulting in large run-up distance within this feature ____________
Question 4.
Figures 4, 5 and 6, are all locations along the California coast. Which would be the safest place if a tsunami were to hit California? (2 points)
Topographic Maps come from: https://www.topozone.com/california/ Score: /20
Figure 4. Figure 7. Figure 6. Figure 5. Figure 8. Figure 9. Figure
5
Figur
4
Figure
6
Figure
5
Figure
6
Figure
4
I
believe
figure
6
,
because
of
the
high
cliff
around
the
ocean
as
as
well
as
higher
elevation
than
the
other
figures
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