Lab 13
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School
CUNY College of Staten Island *
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Course
101
Subject
Electrical Engineering
Date
Feb 20, 2024
Type
Pages
6
Uploaded by gzimevukovic
GEO 101
Instructor:
Student:
Lab 13 Oceans and Coasts
Required materials
Computer with Google Earth software
In-class lab exercises
Part 1 Littoral drift on Staten Island
Examine the Google Earth image of the shoreline.
GEO 101
Instructor: Maria Ivanova
Highlight all of the groins in red. Shade all of the areas where sand is accumulating because
of the groins in blue. Highlight the areas where sand is being eroded in yellow. Draw an
arrow to illustrate the direction of the longshore current and littoral drift.
How did you determine the direction of this current?
I determined the direction of this current by looking at the sand buildup around the goins. I
saw that on the right side of the groins, there was more buildup of sand that was being
washed up. Because of that, it was easy to determine where the longshore current is
moving this sand.
Part 2 Shoreline shape and sea level rise
You will draw 3 topographic profiles of different parts of the Staten Island shoreline to
interpret how each would respond to storm surge and sea level rise.
Open Google Earth Pro on your computer. Locate the points below and draw topographic
profiles of different parts of the Staten Island shoreline to interpret
how each would
respond to storm surge and sea level rise. Attach all three profiles to the lab.
Make sure your profile starts at point 1 - it is important to get the correct distances in
feet for your answers.
a) Annandale
GEO 101
Instructor: Maria Ivanova
Annandale
UTM coordinates
Point 1
570510 mE, 4486290 mN
Point 2
569665 mE, 4487835 mN
On your profile trace the point where a 15-foot storm surge would reach. How far inland
would the flooding extend (in feet)? Record your answer in a table below.
15-foot storm surge
Location
Distance in feet
Annandale
24 ft
Sea level rise is predicted to be up to 6.6 feet by 2100 (NOAA). If the West Antarctic ice
sheet melts, sea level would rise by 16 feet and it would rise by a further 20 feet if the
Greenland ice sheet melts (both would probably take a few centuries). How far inland
would the flooding extend if both ice sheets melts? Trace the height on your profile. Record
your answer in a table.
West Antarctic and Greenland Ice Sheets melt (36 feet)
Location
distance in feet
Annandale
1408 ft
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GEO 101
Instructor: Maria Ivanova
b) Tottenville
Tottenville
UTM coordinates
Point 1
563560 mE, 4485225 mN
Point 2
564100 mE, 4484425 mN
On your profile trace the point where a 15-foot storm surge would reach. How far inland
would the flooding extend (in feet)? Record your answer in a table below
15-foot storm surge
Location
Distance in feet
Tottenville
275 ft
How far inland would the flooding extend if both Antarctic and Greenland ice sheets melts?
Trace the height on your profile. Record your answer in a table.
GEO 101
Instructor: Maria Ivanova
West Antarctic and Greenland Ice Sheets melt (36 feet)
Location
Distance in feet
Tottenville
618 ft
c) Sawmill Creek
Sawmill Creek to CSI campus
UTM coordinates
Point 1
567910 mE, 4495780 mN
Point 2
572120 mE, 4495015 mN
On your profile trace the point where a 15-foot storm surge would reach. How far inland
would the flooding extend (in feet)? Record your answer in a table below
15-foot storm surge
Location
Distance in feet
GEO 101
Instructor: Maria Ivanova
Sawmill Creek to CSI
4066 ft
How far inland would the flooding extend if both Antarctic and Greenland ice sheets melts?
Trace the height on your profile. Record your answer in a table.
West Antarctic and Greenland Ice Sheets melt (36 feet)
Location
Distance in feet
Sawmill Creek to CSI
7603 ft
Discuss how each location would be affected by a storm surge. Describe both the
similarities and the differences for these three locations.
In these three neighborhoods, Tottenville would have 275 ft of land underwater, Sawmill
Creek would have 4066 ft underwater (most), and Annandale would only have 24 ft
underwater (least). Although the numbers drastically vary, not too many houses would be
destroyed, although combined, it is a good amount of land lost on those sides of the island
due to a storm surge.
Discuss how each location would be affected by sea level rise due to global warming.
Describe both the similarities and the differences for these locations.
In these three neighborhoods, Tottenville would only have 618 ft of land underwater,
Sawmill Creek would have 7603 ft underwater, and Annandale would have 1408 ft
underwater. Global warming would rise sea levels high enough for a substantial loss in land,
many would lose their homes and Staten Island would be so much smaller just from those
three locations, as of course it would go around other neighborhoods as well. Tottenville
would be the least affected as less of it would permanently be under water, but Sawmill
Creek and Annandale would have much more land loss. Sawmill Creek would have more
land underwater compared to the other two locations.
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