Lab 09_ coastal environments | Geography homework help


LAB 9: COASTAL ENVIRONMENTS

Note: Please belong to the GETTING STARTEDmodule to attain how to maneuver through, and how to vindication the lab questions, in the Google Earth (GE.gif) element.

KEY TERMS

You should apprehend and recognize the forthcoming terms:

Barrier island

Lagoon

Sea stack

Bay chink bar

Littoral purpose

Spit

Beach purpose

Marsh

Tides

Groynes (groins)

Protogradation

Tombolo

Headlands

Retrogradation

 

Hooked spit

Salt flats

 

 

LAB LEARNING OBJECTIVES

After successfully completing this module, you should be efficient to the forthcoming tasks:

·         Identify erosional processes and components constituted by shoreal steeps

·         Identify manifestational processes and components constituted by shoreal steeps

·         Examine the processes which constitute shoreal placeforms

·         Interpret topographic maps

·         Calculate raising from topographic maps

 

 

INTRODUCTION

In this module you attain environing some essential concepts of shoreal environments. Topics ripe understand shoreal erosion and manifestation processes and components, the rushs, and jetties. The module starts after a period disgusting chink questions, or vignettes, which are fix in the connected Google Earth polish. These vignettes conduct-in basic concepts and cat's-paws on which geographers trust. Some of the vignettes feel vivacitys, videos, or incomplete subscription that earn contribute another perspective or visual interpretation for the question at artisan. After balbutiation the vignette and associated links, vindication the forthcoming questions. Please quiet n ess that some links may siege a period to upload established on your internet hurry.

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

 Read Topic 1: Introduction.

Question 1: Which of the forthcoming is not a debate crowd speed terminate or on the shore?

A.   Transportation

B.   Aesthetics

C.   Access to novel steep

D.   Access to sea resources

 Read Topic 2: Tides

Question 2: What is the tallness of a recognized exalted rush 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 forthcoming 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 cogitation of thrive energy

B.   Seawalls retain thrive energy

C.   Headlands are made of unyielding esthetic

D.   Offshore sand bars tedious thrives down

 

 Collapse and terminate INTRODUCTION

 

 

 

GLOBAL PERSPECTIVE

 GE.gif Double-click and prime GLOBAL PERSPECTIVE.

This map shows the colonization of important shoreal cities located throughout the globe. At give, shoreal cities are increasing in population total, population shortsightedness, and spatial size, after a period sundry shoreal areas neat further urbanized.

For Questions 5 to 8, stamp the notice contributed into the Search tab in Google Earth and exexpress Enter. When you place at your arrival, furnish the notice to content in the blanks underneath. You force feel to zoom out to see the delineate for the collectiveness of steep. Test that the Water Bodies length item is primeed (Figure 1).

 

Question 5:         Buenos Aires, Argentina

Body of steep:

A.   Pacific Ocean

B.   Gulf stream

C.   Rio de La Plata

D.   Amazon River

 Question 6: Los Angeles, CA

Body of steep:

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 steep:

A.   Yellow Sea

B.   East China Sea

C.   Taiwan Strait

D.   Philippine Sea

Question 8: 19 01 41N 72 51 22E

Body of steep:

A.   Bay of Bengal

B.   Arabian Sea

C.   South Sea

D.   Sri Lankan Sea

 

 Collapse and terminate GLOBE PERSPECTIVE

 

 

 

EROSIONAL FEATURES

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

Question 9: What is the spectry of the component 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 lengths to admire the raising of the exaltedest purpose of this component (terminate the radio sign).

A.   80 ft

B.   160 ft

C.   240 ft

D.   360 ft

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

A.   Light offspring

B.   Quarry

C.   Houses

D.   Golf course

GE.gif Double-click and prime Agate Beach. At the foot of the ward, click the 1994 continuance (1994.png) to activate the unvarnished fictionry cat's-paw. Weigh the shore in 1994.

GE.gif Double-click and prime .

Question 12: Using the adherent cat's-paw to think, admire the absence (in meters) from  to the steep?

A.   15 meters

B.   50 meters

C.   100 meters

D.   150 meters

GE.gif Advance the continuance slider to 2005 and weigh the shore.

Question 13: Assuming the rush in the fiction is the similar as 1994, admire the absence (in meters) from  to the steep?

A.   20 meters

B.   80 meters

C.   200 meters

D.   260 meters

Question 14: What is the mean vary in the width of the shore from 1994-2005? (Hint: Calculate the contrariety in absence disjoined by the enumerate 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 fictions were enthralled at low rush, is this part of Agate shore experiencing progradation (expansion) or reward (contraction)?

A.   Progradation

B.   Retrogradation

GE.gif Double-click and prime South Beach.

Question 16: Identify a component that mitigates the erosional agency of thrives.

A.   Seawall

B.   Breakwater

C.   Jetties

D.   Bridge

Question 17: In which open superscription is littoral purpose emotional?

A.   North

B.   East

C.   South

D.   West

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

 You earn see a exception of Nye Beach.

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

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

Question 18: What shoreal component used to be at the Jump‑off Joe sign?

A.   Headlands

B.   Sea walls

C.   Sea stack

D.  Sand dune

 Collapse and terminate EROSIONAL FEATURES

 

 

DEPOSITIONAL FEATURES

GE.gif Double-click DEPOSITIONAL FEATURES.

This is a illustrative sentiment of a placescape in which vehicle and succeeding manifestation of esthetic is low concurrently the southeastern shore of the US.

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

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

Question 19: What shoreal component are these islands?

A.   Barrier islands

B.   Mud flats

C.   Rock islands

D.   Salt marshes

Several topographic components can be fix after a periodin this shoreal component.  If you insufficiency aid recognizeing the topographic signs, stamp the forthcoming 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 ebon dots?

A.   Gravel

B.   Foreshore flat

C.   Pebbles

D.   Mud

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

A.   Marsh

B.   Submerged marsh

C.   Wooded marsh

D.   Land question to inundation

Question 23: Admire the raising of the exaltedest purpose on Figure Eight Isplace (Hint: Look to the foot of the commemorative map to particularize the outline meantime).

A.   5ft

B.   10ft

C.   25ft

D.   35ft

Zoom in and weigh the tame betwixt the two islands terminate the vapid moderate spectryd Wow, as seen in Figure 2.

GE.gif Uncheck Hampstead, NC.

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

A.   Tectonic life has terminated the gap

B.   Sand has contented the gap betwixt the two islands

C.   Erosion has contented in the gap

D.   The gap quiet exists

GE.gif Double-click and prime the  symbol.

Question 25: What is this shoreal component denominated?

A.   Curl

B.   Spit

C.   Hooked spit

D.   Lagoon

Question 26: Established on the mould of  , what is the controlling superscription of the thrives?

A.   NE

B.   NW

C.   SE

D.   SW

 Collapse and terminate DEPOSITIONAL FEATURES

 

 

LITTORAL DRIFT

 

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

 

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

 

Description: GE.gif Click Littoral Purpose Animation.

 

Given what the video and vivacity demonstrated environing littoral purpose, vindication the forthcoming questions.

 

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

 

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

 

Question 27: Which open superscription is the littoral purpose emotional? ­­­­­­­­­­

 

A.   NW

B.   SE

C.   SW

D.   NE

 

 

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

         

Question 28: Which open superscription is the littoral purpose emotional? ­­­­­­­­­­

A.   North

B.   West

C.   East

D.   South

 

 

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

         

Question 29: Which superscription is the littoral purpose emotional? ­­­­­­­­­­

 

A.   North

B.   West

C.   East

D.   South

 

 

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

         

Question 30: Which superscription is the littoral purpose emotional? ­­­­­­­­­­___________________

 

 

A.   North

B.   West

C.   East

D.   South

 

Question 31: Established on the vivacity, narrate the contact that groynes feel on littoral purpose.

 

A.   Groynes plug littoral purpose

B.   Groynes tedious littoral purpose concurrently the perfect shore

C.   Groynes tedious littoral purpose concurrently its thrive party

D.   Groynes tedious littoral purpose concurrently its lee party

 

 

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

A.   Yes, accordingly they plug erosion

B.   No, accordingly they disturb a spontaneous shoreal process

C.   Yes, accordingly they practise the shore in place

D.   No, accordingly they are an eyesore

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

A.   Yes, accordingly they plug unwanted manifestation

B.   No, accordingly they disturb a spontaneous shoreal process

C.   Yes, accordingly they practise the shore 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 [continuance 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 shorelength 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