Topographic

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Added : 2017-11-07 Views :45K

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Topographic




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Presentations text content in Topographic

Slide1

Topographic Maps

Slide2

Topographic Map:A contour map -

Slide3

Complicated Topographic Map

Slide4

Simple Topographic Map

I am standing where the land meets the water, what is this called?

Slide5

*All elevations are relative to sea level

0 meter contour line

0 meter contour line

Slide6

Profile View of Island

Sea Level

0 meters

Sea Level rises 5 meters during the night

Sea level Rises another 5 meters

Black paint

Slide7

Profile View of Island

0 meters

Sea Level Rises another 5 meters

A total of 15 meters

Slide8

0 meters

5 meters

10 meters

15 meters

Slide9

How would the island look from the Helicopter with the black lines?

15 m

0 m

10 m

5 m

What are the values for the lines?

Top View of the Island

Slide10

Contour Line Features

Slide11

Which side of the island is steeper?

N

S

Slide12

15 m

0 m

10 m

5 m

What do you notice about the contour lines?

North

South

Slide13

Gradient:Steep --Gentle --

Gentle

Steep

Slide14

15 m

0 m

10 m

5 m

What is the elevation difference between the two locations?

Contour interval

A

B

5

Slide15

15 m

0 m

10 m

5 m

What is the value of each location?

C

A

E

D

B

Location

A

B

CDE

Elevation_____

Slide16

Reading Topographic Maps

Slide17

How to use a map scale

15 m

0 m

10 m

5 m

1 KM

Slide18

Map Scales

Ex: 1:24,000One unit on the map equals 24,000 units on Earth’s surfaceWhat about 1:100,000?

Slide19

Reading Topographic Maps

Contour lines are not all labeled

Slide20

Index contour -Intermediate contour –

What is the contour interval on this map?

Slide21

Concentric circular contour lines represent a hill or mountain

Slide22

Depression --

Slide23

Benchmark

__

Slide24

River or Streams

What direction do rivers flow? *-*

What do you notice about the shape of the contour lines on this map?

Slide25

“V” pattern contours show a river or stream valley. “V” -

Rivers flow downhill

Slide26

Which direction is the river flowing?

E

W

N

S

http://www.polleverywhere.com/multiple_choice_polls/MTIzNDQ1MTM0MQ/web


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