Lab 09_ coastal environments | Geography homework help


LAB 9: COASTAL ENVIRONMENTS

Note: Please connect to the GETTING STARTEDmodule to collect how to maneuver through, and how to rejoinder the lab questions, in the Google Earth (GE.gif) factor.

KEY TERMS

You should comprehend and conceive the subjoined terms:

Barrier island

Lagoon

Sea stack

Bay bunghole bar

Littoral conclusion

Spit

Beach conclusion

Marsh

Tides

Groynes (groins)

Protogradation

Tombolo

Headlands

Retrogradation

 

Hooked spit

Salt flats

 

 

LAB LEARNING OBJECTIVES

After successfully completing this module, you should be serviceserviceable to the subjoined tasks:

·         Identify erosional processes and indications engenderd by shoreal breathe-intos

·         Identify declarational processes and indications engenderd by shoreal breathe-intos

·         Examine the processes which engender shoreal placeforms

·         Interpret topographic maps

·         Calculate exaltation from topographic maps

 

 

INTRODUCTION

In this module you collect environing some indispensable concepts of shoreal environments. Topics mellow embrace shoreal erosion and declaration processes and indications, the currents, and jetties. The module starts after a while filthy aperture questions, or vignettes, which are establish in the related Google Earth perfect. These vignettes conduct-in basic concepts and cat's-paws on which geographers believe. Some of the vignettes own airliness, videos, or inextensive catechism that procure furnish another perspective or visual explication for the question at laborer. After balbutiation the vignette and associated links, rejoinder the subjoined questions. Please voicelessness that some links may accept a while to upload installed on your internet expedite.

Description: Description: Description: GE.gif Expand the INTRODUCTION folder and then double-click Topic 1.

 Read Topic 1: Introduction.

Question 1: Which of the subjoined is not a conclude herd feed neighboring or on the shore?

A.   Transportation

B.   Aesthetics

C.   Access to unimpaired breathe-into

D.   Access to deep resources

 Read Topic 2: Tides

Question 2: What is the exaltation of a intrinsic eminent current in the Gulf of Mexico?

A.   1 meter

B.   5 meters

C.   2 meters

D.   0.5 meters

 Read Topic 3: Human Interaction

Question 3: which of the subjoined is not a structural methods humans use to fortify a shoreline.

A.   Seawalls

B.   Groins

C.   Jetties

D.   vegetation

 Read Topic 4: Coastal Landforms

 

Question 4: In the Lake Ellesmere balbutiation, the Banks Peninsula headlands are not eroded as intensely as other headlands. Why?

 

A.   Efficient meditation of triumph energy

B.   Seawalls collect triumph energy

C.   Headlands are made of constrained esthetic

D.   Offshore sand bars gradual triumphs down

 

 Collapse and cork INTRODUCTION

 

 

 

GLOBAL PERSPECTIVE

 GE.gif Double-click and prime GLOBAL PERSPECTIVE.

This map shows the colonization of elder shoreal cities located throughout the globe. At exhibit, shoreal cities are increasing in population mass, population dullness, and spatial quantity, after a while abundant shoreal areas comely past urbanized.

For Questions 5 to 8, pattern the counsel furnishd into the Search tab in Google Earth and harass Enter. When you get at your colony, meet the counsel to store in the blanks underneath. You authority own to zoom out to see the delineate for the assemblage of breathe-into. Realize that the Water Bodies inclination sever is primeed (Figure 1).

 

Question 5:         Buenos Aires, Argentina

Body of breathe-into:

A.   Pacific Ocean

B.   Gulf stream

C.   Rio de La Plata

D.   Amazon River

 Question 6: Los Angeles, CA

Body of breathe-into:

A.   Pacific Ocean

B.   Gulf stream

C.   Rio de La Plata

D.   Amazon River

 

Question 7:         31 13 49 N, 121 28 25 E

Body of breathe-into:

A.   Yellow Sea

B.   East China Sea

C.   Taiwan Strait

D.   Philippine Sea

Question 8: 19 01 41N 72 51 22E

Body of breathe-into:

A.   Bay of Bengal

B.   Arabian Sea

C.   South Sea

D.   Sri Lankan Sea

 

 Collapse and cork GLOBE PERSPECTIVE

 

 

 

EROSIONAL FEATURES

GE.gif Expand EROSIONAL FEATURES. Double‑click and prime .

Question 9: What is the indicate of the indication where missive A is located?

A.   Spit

B.   Headland

C.   Beach

D.   Lagoon

GE.gif Double‑click and prime Newport North, OR.

Question 10: Use the outline inclinations to honor the exaltation of the eminentest sharp-end of this indication (neighboring the radio pattern).

A.   80 ft

B.   160 ft

C.   240 ft

D.   360 ft

Question 11: What other place uses are not establish on this indication?

A.   Light lineage

B.   Quarry

C.   Houses

D.   Golf course

GE.gif Double-click and prime Agate Beach. At the floor of the shelter, click the 1994 bound (1994.png) to activate the unvarnished shadowry cat's-paw. Prove the shore in 1994.

GE.gif Double-click and prime .

Question 12: Using the ruler cat's-paw to mete, honor the space (in meters) from  to the breathe-into?

A.   15 meters

B.   50 meters

C.   100 meters

D.   150 meters

GE.gif Advance the determination slider to 2005 and prove the shore.

Question 13: Assuming the current in the shadow is the corresponding as 1994, honor the space (in meters) from  to the breathe-into?

A.   20 meters

B.   80 meters

C.   200 meters

D.   260 meters

Question 14: What is the medium fluctuate in the width of the shore from 1994-2005? (Hint: Calculate the unlikeness in space divided by the number of years)

A.   (20m – 15m) ÷ 11 years = 0.45m/year

B.   (80m – 50m) ÷ 11 years = 2.73m/year

C.   (200m – 100m) ÷ 11 years = 9.09m/year

D.   (260m – 150m) ÷ 11 years = 10m/year

Question 15: Assuming twain shadows were enslaved at low current, is this sever of Agate shore experiencing progradation (expansion) or recompense (contraction)?

A.   Progradation

B.   Retrogradation

GE.gif Double-click and prime South Beach.

Question 16: Identify a indication that mitigates the erosional rule of triumphs.

A.   Seawall

B.   Breakwater

C.   Jetties

D.   Bridge

Question 17: In which open inclination is littoral conclusion tender?

A.   North

B.   East

C.   South

D.   West

GE.gif Double-click and prime Jump‑off Joe.

 You procure see a minority of Nye Beach.

Description: GE.gif Double‑click the Newport North, OR map again to realize the colonization of the Jump‑off Joe pattern. Use the Adjust Opacity cat's-paw Transparency_tool01 to collate the aerial photograph to the topographic map. As you can see, there is not considerable at this colonization other than a sandy shore.

GE.gif Double‑click Jump‑off Joe again. To interpret past environing Jump-off Joe, type the subjoined URL into your browser to go to the USGS web site: http://walrus.wr.usgs.gov/pubinfo/jump.html

Question 18: What shoreal indication used to be at the Jump‑off Joe pattern?

A.   Headlands

B.   Sea walls

C.   Sea stack

D.  Sand dune

 Collapse and cork EROSIONAL FEATURES

 

 

DEPOSITIONAL FEATURES

GE.gif Double-click DEPOSITIONAL FEATURES.

This is a illustrative apprehension of a placescape in which manner and posterior declaration of esthetic is vulgar concurrently the southeastern shore of the US.

GE.gif Double-click and prime Hampstead, NC.

The map shows a sequence of islands off the shore of North Carolina.

Question 19: What shoreal indication are these islands?

A.   Barrier islands

B.   Mud flats

C.   Rock islands

D.   Salt marshes

Several topographic indications can be establish after a whilein this shoreal indication.  If you deficiency acceleration conceiveing the topographic patterns, pattern the subjoined URL into your browser to go to the USGS web site:

http://pubs.usgs.gov/gip/TopographicMapSymbols/topomapsymbols.pdf

Question 20: What indication is represented by the brown dots?

A.   Gravel

B.   Sand or mud

C.   Dry lake

D.   Tailing pond

Question 21: What indication is represented by the ebon dots?

A.   Gravel

B.   Foreshore flat

C.   Pebbles

D.   Mud

Question 22: What is represented by the blue-colored-colored clumps of vegetation?

A.   Marsh

B.   Submerged marsh

C.   Wooded marsh

D.   Land topic to inundation

Question 23: Honor the exaltation of the eminentest sharp-end on Figure Eight Isplace (Hint: Look to the floor of the chronicled map to determine the outline intermission).

A.   5ft

B.   10ft

C.   25ft

D.   35ft

Zoom in and prove the sever among the two islands neighboring the spiritless moderate indicated Wow, as seen in Figure 2.

GE.gif Uncheck Hampstead, NC.

Question 24: What has happened to the two barrier islands?

A.   Tectonic courage has corkd the gap

B.   Sand has storeed the gap among the two islands

C.   Erosion has storeed in the gap

D.   The gap stagnant exists

GE.gif Double-click and prime the  symbol.

Question 25: What is this shoreal indication named?

A.   Curl

B.   Spit

C.   Hooked spit

D.   Lagoon

Question 26: Installed on the outline of  , what is the influential inclination of the triumphs?

A.   NE

B.   NW

C.   SE

D.   SW

 Collapse and cork DEPOSITIONAL FEATURES

 

 

LITTORAL DRIFT

 

Description: GE.gif Expand LITTORAL DRIFT, click Littoral Conclusion Video, and then click Play.

 

Dr. Mark W. Patterson demonstrates the concept of littoral conclusion.

 

Description: GE.gif Click Littoral Conclusion Animation.

 

Given what the video and airlines demonstrated environing littoral conclusion, rejoinder the subjoined questions.

 

Description: Description: GE.gif Expand the Littoral Conclusion Examples folder.

 

Description: Description: Description: GE.gif Double‑click and prime Littoral Conclusion #1.

 

Question 27: Which open inclination is the littoral conclusion tender? ­­­­­­­­­­

 

A.   NW

B.   SE

C.   SW

D.   NE

 

 

Description: Description: Description: GE.gif Double‑click and prime Littoral Conclusion #2.

         

Question 28: Which open inclination is the littoral conclusion tender? ­­­­­­­­­­

A.   North

B.   West

C.   East

D.   South

 

 

Description: Description: Description: GE.gif Double‑click and prime Littoral Conclusion #3.

         

Question 29: Which inclination is the littoral conclusion tender? ­­­­­­­­­­

 

A.   North

B.   West

C.   East

D.   South

 

 

Description: Description: Description: GE.gif Double‑click and prime Littoral Conclusion #4.

         

Question 30: Which inclination is the littoral conclusion tender? ­­­­­­­­­­___________________

 

 

A.   North

B.   West

C.   East

D.   South

 

Question 31: Installed on the airlines, represent the impression that groynes own on littoral conclusion.

 

A.   Groynes bung littoral conclusion

B.   Groynes gradual littoral conclusion concurrently the full shore

C.   Groynes gradual littoral conclusion concurrently its triumph margin

D.   Groynes gradual littoral conclusion concurrently its lee margin

 

 

Question 32: Would a conservationist failure groynes used? Why or why not?

A.   Yes, consequently they bung erosion

B.   No, consequently they hinder a intrinsic shoreal process

C.   Yes, consequently they obey the shore in place

D.   No, consequently they are an eyesore

Question 33: Would a homeowner whose lineage is on the shore failure groynes used? Why or why not?

A.   Yes, consequently they bung unwanted declaration

B.   No, consequently they hinder a intrinsic shoreal process

C.   Yes, consequently they obey the shore in place

D.   No, consequently they are an eyesore

 

 

References:

Alan Arbogast. 2011. Discovering Physical Geography, 2nd edition. John Wiley and Sons, Inc.

 

NOAA. 2011. http://oceanservice.noaa.gov/facts/population.html [bound accessed 3/16/11]

 

Sources

Page 2. Hong Kong, from Victoria Peak. (Nancy Hoalst‑Pullen)

Page 3. Photo: Tidal Marsh (Mark W. Patterson).

Page 4. Photo: Groynes (groins) and shoreinclination processes (Figure 19.39 in Arbogast 2011)

 

Page 5. Photo: South Island, New Zeaplace (NASA). http://disc.sci.gsfc.nasa.gov/geomorphology/GEO_6/geo_images_C-10/PlateC-10.gif

 

Page 6. Photo: Coastal Erosion, Washington, USA (USGS). http://coastal.er.usgs.gov/cgi-bin/response.pl?site=wo&loc=24