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geography > Topographical Maps > Flashcards

Topographical Maps Flashcards

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1
Q

3 basic feature types on a map

A

-Point (town, a tower) -Line (river, road or railway -Polygon (line surrounding something - an area or region eg. political boundary)

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2
Q

What are two types of maps

A

Reference maps & thematic maps

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3
Q

What is a reference map and give examples

A

Maps that give general information about the location of features.

Ex: Google maps or road atlas or topographic maps

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4
Q

What’s thematic maps and what are they also known as

A

Show the distribution of a specific topic (also known as statistical maps).

A map showing population distribution by country is a thematic map, or a soils map. Usually displays some specific subject or topic.

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5
Q

Can two maps be combined into 1 map?

A

Yes

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6
Q

What does GIS stand for

A

Geographical information systems

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7
Q

What geographical information system maps good for

A

Making different layers and building a map up

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8
Q

What’s a topographic map used for

A

Reading the shape of the land

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9
Q

What are topographic maps needed for

A

Needed to plan easiest access to the location esp in mountains

  • good for hiking so you don’t get lost
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10
Q

What do they use to show the elevation of the ground

A

Contour lines

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11
Q

What’s contour intervals

A

Vertical distance between each contour line NOT horizontal

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12
Q

What does it mean when contour intervals are closer together

A

It means that there is a greater change in elevation over a shorter distance

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13
Q

What are 5 essential map elements

A
  1. Title or description
  2. Scale
  3. Locational grid
  4. Data & legend
  5. Direction indicator
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14
Q

NTS?

A

National topographic system

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15
Q

What is national topographic system

A

Provides general purpose topographic maps coverage of the entire Canadian landmass

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16
Q

What is UTM

A

Universal transverse Mercator

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17
Q

Lines that are tighter together and contour interval means

A

Steeper slope/area

18
Q

Lines that are farther in contour interval means

A

Less steep

19
Q

Sunrise are Darfur in somewhere lighter what does it mean

A

Lighter lines in between darker ones are how many metres it’s apart. Count the light ones

20
Q

What is scale

A

Refers to the relationship between distance on a map and distance on the ground

21
Q

Scale is usually in fraction

A

Ex: 1:50,000

22
Q

Example of a scale

A

1:50,000 means 1 unit of measurement on a map represents 50,000 units of measurement on the ground

23
Q

Example of title on a map

A

Ex: Port Coquitlam

24
Q

What is data legend on a map

A

Symbols and definition

Ex: fort, wall ; fence (semi colon divides the features

25
Q

How can you represent scale

A

Map skills can be represented graphically and verbally

26
Q

What are the three types of map scale

A
  1. Graphic or bar scale (example in photos)
  2. Statement in words (ex. One centimetre represents two hundred & fifty metres)
  3. Representative fraction - RF - ratio of map distance to ground distance (ex: 1:25,000)
    
27
Q

Numerator on an RF must always be at number?

A

One

Ex: 1:25,000

28
Q

Units may be in centimetres inches or any other unit or system but both sides must be? (In regards to RF)

A

Expressing the same units

29
Q

As in the case for all scales all units of measure are _____ distances

A

Horizontal distances

30
Q

Maps are often referred to being

A

Large scale or small scale

31
Q

Example of smaller map enlarge map scale

A

Smaller scale map , less detail ex. 1:25,000,00

Larger scale map, more detail ex. 1/10,000

32
Q

Latitude runs

A

East and west they are horizontal.

Angular measurement of location in degrees north or south of the equator

33
Q

Longitude runs

A

North and south vertical lines.

Angular measurement of a location east or west of the prime meridian. Run in the north to south direction from the two poles but measured in a west or easterly direction from the prime meridian.

34
Q

Large scale

A

Cover small areas with greater detail: good for doing detailed planning

35
Q

Small scale covers

A

Larger areas with less detail - a wall map 

36
Q

1:50,000 - what is the numerator

A

1

37
Q

What is a universal transverse Mercator system

A

System for providing plane coordinates based on a system of straight lines intersecting at right angles on a piece of paper

38
Q

Coordinates are measured in blank units

A

Metric

39
Q

All UTM coordinates are measured in

A

Metres

40
Q

in UTM the north/south line is referred to

A

Easting coordinate

41
Q

What’s referred to northing coordinate

A

Line that goes across the map and can only be moved north or south

42
Q

Which coordinate is referenced first

A

Easting is always referenced first and northing is after that

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