Map Reading, Spatial Data and GIS

Question 1

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

Answer 1

Map Reading

Question 2

What is the importance of map?

Answer 2

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

Question 2

What are the categories of maps?

Answer 2

According to scale & According to types

Question 2

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

Answer 2

Scale

Question 2

The marginal information consists of…

Answer 2

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

Question 3

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

Answer 3

Topographic Map

Question 4

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

Answer 4

Topographic Map

Question 5

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

Answer 5

Contour lines

Question 6

What is the distance between contour lines?

Answer 6

Contour interval

Question 7

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

Answer 7

Relief

Question 8

What are the five major terrain relief features?

Answer 8

Ridge, Hill, Saddle, Valley & Depression

Question 9

What are the three minor terrain relief features?

Answer 9

Spur, Draw & Cliff

Question 10

What are the two supplemental terrain features?

Answer 10

Cut & Fill

Question 11

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

Answer 11

Kilometer markers

Question 12

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

Answer 12

Relief

Question 13

The water bodies in ground features

Answer 13

Hydrography

Question 14

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

Answer 14

Culture

Question 15

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

Answer 15

Green

Question 16

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

Answer 16

Blue

Question 17

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

Answer 17

Black

Question 18

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

Answer 18

Light brown

Question 19

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

Answer 19

Dark brown

Question 20

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

Answer 20

Red broken lines

Question 21

A map that contains information about terrains.

Answer 21

Topographic map

Question 22

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

Answer 22

Terrain

Question 23

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

Answer 23

index contour line

Question 24

What is the thinner lines in between index contour lines?

Answer 24

intermediate contour line

Question 25

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

Answer 25

supplementary contour line

Question 26

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

Answer 26

Geographic Information

Question 27

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.

Answer 27

Attributes Data

Question 28

What are the examples of Attributes data?

Answer 28

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

Question 29

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.

Answer 29

Raster Image

Question 30

It comprises of vertices and paths.

Answer 30

Vector Image

Question 31

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

Answer 31

KML, KMZ

Question 32

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

Answer 32

SHAPE FILE (.shp)

Question 33

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

Answer 33

GEODATABASE (.gdb)

Question 34

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).

Answer 34

Geographic Information System

Question 35

What does GIS allows us to do?

Answer 35

Break the real world into layers

Question 36

How is GIS used?

Answer 36

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