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EPCAMASU > Map Reading, Spatial Data and GIS > Flashcards

Map Reading, Spatial Data and GIS Flashcards

1
Q

What is the act of interpreting or understanding the geographic information portrayed on a map?

A

Map Reading

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2
Q

What is the importance of map?

A
  • Give accurate information.
  • More and more necessary to rely upon maps
  • By necessity, planning must be done on maps
  • Adequate supply of maps
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2
Q

What are the categories of maps?

A

According to scale & According to types

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2
Q

It is expressed as a fraction and gives the ratio of the map distance to the ground distance (small, medium, and large scales).

A

Scale

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2
Q

The marginal information consists of…

A

Sheet Number, Series Name, Scale, Serial Number, Edition Number, Index to Boundaries

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3
Q

What is a type of map that provides a detailed description or representation of the natural and artificial features of an area?

A

Topographic Map

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4
Q

What is the type of map that shows height that you can measure contains contour intervals and elevations?

A

Topographic Map

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5
Q

What is a line joining points of equal elevation on a surface?

A

Contour lines

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6
Q

What is the distance between contour lines?

A

Contour interval

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7
Q

Contour lines are a dimension for establishing position in the vertical dimension, referred to as…

A

Relief

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8
Q

What are the five major terrain relief features?

A

Ridge, Hill, Saddle, Valley & Depression

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9
Q

What are the three minor terrain relief features?

A

Spur, Draw & Cliff

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10
Q

What are the two supplemental terrain features?

A

Cut & Fill

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11
Q

What is the upright cement poles (usually yellow) at the side of the road that have numbers and letters written on them?

A

Kilometer markers

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12
Q

It is represented by contour lines; interconnected points of equal elevation above mean sea level.

A

Relief

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13
Q

The water bodies in ground features

A

Hydrography

14
Q

The artificial features: roads, airports, urban development, and buildings in ground features

A

Culture

15
Q

What is the color of vegetation or wooded areas in ground features legend?

A

Green

16
Q

What is the color of the water bodies in ground features legend?

A

Blue

17
Q

What is the color of the cultural features (built-up areas, houses) in ground features legend?

A

Black

18
Q

What is the color of the roads in ground features legend?

A

Light brown

19
Q

What is the color of the contour lines in ground features legend?

A

Dark brown

20
Q

What is the color of boundaries between or among administrative or political unit in ground features legend?

A

Red broken lines

21
Q

A map that contains information about terrains.

A

Topographic map

22
Q

What indicates steepness and shape of the ground? It is represented by contour line.

A

Terrain

23
Q

What is the primary lines with heavier or thicker marks and labeled with a number?

A

index contour line

24
Q

What is the thinner lines in between index contour lines?

A

intermediate contour line

25
Q

What is used to portray significant relief on sharp summits or isolated tops and slopes in flat areas, represented by dashed or dotted lines?

A

supplementary contour line

26
Q

Analyzing, interpreting, and visualizing spatial data that turns into evidence.

A

Geographic Information

27
Q

What is the information linked to the geographic features (spatial data) that describe features. Associated with a point, line, or polygon elements in a GIS.

A

Attributes Data

28
Q

What are the examples of Attributes data?

A

Street name, Population, Household income & Location of service facilities

29
Q

It is made up of pixels or grid cells associated with a value or a class. The format of this is jpeg, png, tiff, bmp.

A

Raster Image

30
Q

It comprises of vertices and paths.

A

Vector Image

31
Q

What is a format of vector image that is often used in Google Earth or other web GIS programs?

A

KML, KMZ

32
Q

What is a format of vector image which is a standard file format that contains only a single data set?

A

SHAPE FILE (.shp)

33
Q

What is a format of vector image that contains multiple datasets simultaneously?

A

GEODATABASE (.gdb)

34
Q

It is a system that creates, manages, analyzes, and maps all types of data. It connects data to a map, integrating location data (where things are) with all types of descriptive information (what things are like there).

A

Geographic Information System

35
Q

What does GIS allows us to do?

A

Break the real world into layers

36
Q

How is GIS used?

A

Identify problems, Manage and respond to events, Set priorities, Monitor changes, Perform forecasting & Understand trends

EPCAMASU (2 decks)

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