Lab 09_ coastal environments | Geography homework help


LAB 9: COASTAL ENVIRONMENTS

Note: Please attribute to the GETTING STARTEDmodule to acquire how to maneuver through, and how to rejoinder the lab questions, in the Google Earth (GE.gif) element.

KEY TERMS

You should perceive and imply the subjoined terms:

Barrier island

Lagoon

Sea stack

Bay aperture bar

Littoral course

Spit

Beach course

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 components engenderd by seacoastal breathe-intos

·         Identify declarational processes and components engenderd by seacoastal breathe-intos

·         Examine the processes which engender seacoastal placeforms

·         Interpret topographic maps

·         Calculate tallness from topographic maps

 

 

INTRODUCTION

In this module you acquire environing some essential concepts of seacoastal environments. Topics genial include seacoastal erosion and declaration processes and components, the inundations, and jetties. The module starts after a occasion disgusting aperture themes, or vignettes, which are build in the congenial Google Earth perfect. These vignettes make-known basic concepts and machines on which geographers lean. Some of the vignettes entertain lifes, videos, or limited declaration that earn get another perspective or visual exposition for the theme at laborer. After lection the vignette and associated links, rejoinder the subjoined questions. Please music that some links may follow a occasion to upload established on your internet hasten.

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 debate persons feed end or on the seacoast?

A.   Transportation

B.   Aesthetics

C.   Access to untried breathe-into

D.   Access to main resources

 Read Topic 2: Tides

Question 2: What is the top of a customary tall inundation 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 vindicate a shoreline.

A.   Seawalls

B.   Groins

C.   Jetties

D.   vegetation

 Read Topic 4: Coastal Landforms

 

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

 

A.   Efficient thought of speed energy

B.   Seawalls assume speed energy

C.   Headlands are made of unyielding representative

D.   Offshore sand bars slack speeds down

 

 Collapse and end INTRODUCTION

 

 

 

GLOBAL PERSPECTIVE

 GE.gif Double-click and picked GLOBAL PERSPECTIVE.

This map shows the colony of greater seacoastal cities located throughout the earth. At bestow, seacoastal cities are increasing in population total, population shortsightedness, and spatial space, after a occasion multifarious seacoastal areas befitting over urbanized.

For Questions 5 to 8, mark the counsel getd into the Search tab in Google Earth and constrain Enter. When you enter at your aim, confront the counsel to gorge in the blanks underneath. You influence entertain to zoom out to see the designate for the collection of breathe-into. Warrant that the Water Bodies succession item is pickeded (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 end GLOBE PERSPECTIVE

 

 

 

EROSIONAL FEATURES

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

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

A.   Spit

B.   Headland

C.   Beach

D.   Lagoon

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

Question 10: Use the outline successions to prize the tallness of the tallest purpose of this component (end the radio temperament).

A.   80 ft

B.   160 ft

C.   240 ft

D.   360 ft

Question 11: What other place uses are not build on this component?

A.   Light family

B.   Quarry

C.   Houses

D.   Golf course

GE.gif Double-click and picked Agate Beach. At the foot of the ward, click the 1994 era (1994.png) to activate the literal ideary machine. Investigate the strand in 1994.

GE.gif Double-click and picked .

Question 12: Using the supporter machine to value, prize the length (in meters) from  to the breathe-into?

A.   15 meters

B.   50 meters

C.   100 meters

D.   150 meters

GE.gif Advance the period slider to 2005 and investigate the strand.

Question 13: Assuming the inundation in the idea is the corresponding as 1994, prize the length (in meters) from  to the breathe-into?

A.   20 meters

B.   80 meters

C.   200 meters

D.   260 meters

Question 14: What is the mediocre vary in the width of the strand from 1994-2005? (Hint: Calculate the estrangement in length disjoined by the calculate 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 ideas were charmed at low inundation, is this multiply of Agate strand experiencing progradation (expansion) or retrogradation (contraction)?

A.   Progradation

B.   Retrogradation

GE.gif Double-click and picked South Beach.

Question 16: Identify a component that mitigates the erosional might of speeds.

A.   Seawall

B.   Breakwater

C.   Jetties

D.   Bridge

Question 17: In which unconcealed superscription is littoral course affecting?

A.   North

B.   East

C.   South

D.   West

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

 You earn see a exception of Nye Beach.

Description: GE.gif Double‑click the Newport North, OR map again to warrant the colony of the Jump‑off Joe temperament. Use the Adjust Opacity machine Transparency_tool01 to parallel the aerial photograph to the topographic map. As you can see, there is not abundant at this colony other than a sandy strand.

GE.gif Double‑click Jump‑off Joe again. To decipher over 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 seacoastal component used to be at the Jump‑off Joe temperament?

A.   Headlands

B.   Sea walls

C.   Sea stack

D.  Sand dune

 Collapse and end EROSIONAL FEATURES

 

 

DEPOSITIONAL FEATURES

GE.gif Double-click DEPOSITIONAL FEATURES.

This is a customary sight of a placescape in which conveyance and after declaration of representative is vulgar parallel the southeastern seaseaseashore of the US.

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

The map shows a order of islands off the seaseaseashore of North Carolina.

Question 19: What seacoastal component are these islands?

A.   Barrier islands

B.   Mud flats

C.   Rock islands

D.   Salt marshes

Several topographic components can be build after a occasionin this seacoastal component.  If you insufficiency aid implying the topographic temperaments, mark the subjoined URL into your browser to go to the USGS web site:

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

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

A.   Gravel

B.   Sand or mud

C.   Dry lake

D.   Tailing pond

Question 21: What component is represented by the sombre dots?

A.   Gravel

B.   Foreshore flat

C.   Pebbles

D.   Mud

Question 22: What is represented by the cerulean clumps of vegetation?

A.   Marsh

B.   Submerged marsh

C.   Wooded marsh

D.   Land theme to inundation

Question 23: Prize the tallness of the tallest purpose on Figure Eight Isplace (Hint: Look to the foot of the commemorative map to state the outline gap).

A.   5ft

B.   10ft

C.   25ft

D.   35ft

Zoom in and investigate the violate betwixt the two islands end the tasteless administer indicated Wow, as seen in Figure 2.

GE.gif Uncheck Hampstead, NC.

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

A.   Tectonic enthusiasm has endd the gap

B.   Sand has gorgeed the gap betwixt the two islands

C.   Erosion has gorgeed in the gap

D.   The gap quiescent exists

GE.gif Double-click and picked the  symbol.

Question 25: What is this seacoastal component designated?

A.   Curl

B.   Spit

C.   Hooked spit

D.   Lagoon

Question 26: Established on the mould of  , what is the influential superscription of the speeds?

A.   NE

B.   NW

C.   SE

D.   SW

 Collapse and end DEPOSITIONAL FEATURES

 

 

LITTORAL DRIFT

 

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

 

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

 

Description: GE.gif Click Littoral Course Animation.

 

Given what the video and life demonstrated environing littoral course, rejoinder the subjoined questions.

 

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

 

Description: Description: Description: GE.gif Double‑click and picked Littoral Course #1.

 

Question 27: Which unconcealed superscription is the littoral course affecting? ­­­­­­­­­­

 

A.   NW

B.   SE

C.   SW

D.   NE

 

 

Description: Description: Description: GE.gif Double‑click and picked Littoral Course #2.

         

Question 28: Which unconcealed superscription is the littoral course affecting? ­­­­­­­­­­

A.   North

B.   West

C.   East

D.   South

 

 

Description: Description: Description: GE.gif Double‑click and picked Littoral Course #3.

         

Question 29: Which superscription is the littoral course affecting? ­­­­­­­­­­

 

A.   North

B.   West

C.   East

D.   South

 

 

Description: Description: Description: GE.gif Double‑click and picked Littoral Course #4.

         

Question 30: Which superscription is the littoral course affecting? ­­­­­­­­­­___________________

 

 

A.   North

B.   West

C.   East

D.   South

 

Question 31: Established on the life, delineate the impression that groynes entertain on littoral course.

 

A.   Groynes bung littoral course

B.   Groynes slack littoral course parallel the solid strand

C.   Groynes slack littoral course parallel its speed party

D.   Groynes slack littoral course parallel its lee party

 

 

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

A.   Yes, accordingly they bung erosion

B.   No, accordingly they intersect a spontaneous seacoastal process

C.   Yes, accordingly they restrain the strand in place

D.   No, accordingly they are an eyesore

Question 33: Would a homeowner whose family is on the strand lack groynes used? Why or why not?

A.   Yes, accordingly they bung unwanted declaration

B.   No, accordingly they intersect a spontaneous seacoastal process

C.   Yes, accordingly they restrain the strand in place

D.   No, accordingly 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 [era 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 shoresuccession 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