exam 1

Question 1

reference maps

Answer 1

general purpose
many geographical features
ex.) goggle maps

Question 2

thematic maps

Answer 2

special purpose
paticular geographc phenomenon
ex.) maps of population

Question 3

what is mappable?

Answer 3

phenomena
data
information

Question 4

phenomena

Answer 4

stuff in the real world

Question 5

data

Answer 5

records of observations of phenomena

Question 6

information

Answer 6

knowledge of value obtained through the collection, interpretation, and analysis of data

Question 7

Where?

Answer 7

location of phenomena

Question 8

what?

Answer 8

characteristics of phenomena at that location

Question 9

how?

Answer 9

metadata- information about how the data were collected

Question 10

data model

Answer 10

a logical construct for the storage and retrieval of information

Question 11

discrete phenomena

Answer 11

clearly bounded phenomenon
forms a separate entity that can only exist as a whole object

vector data model

Question 12

continuous phenomena

Answer 12

phenomenon with a value defined for all locations
fractional parts are allowed

ex,) elevation, precipitation, air pollution

raster data model

Question 13

vector data model

Answer 13

represents geographic features as points, lines, and polygons
used to map discrete phenomena

Question 14

points

Answer 14

represented as a single coordinate pair

Question 15

polylines (linestrings)

Answer 15

line are ordered lists of vertices or coordinate pairs where all coordinate pairs are unique

Question 16

polygons

Answer 16

They are where the first and last vertex are the same

Question 17

raster data model

Answer 17

represents geographic features as a regular grid of cells

Question 18

what does each cell size indicate?
(raster data model)

Answer 18

they length of one grid cell

Question 19

Qualitative

Answer 19

Nomial
ordinal

Question 20

Quantitative

Answer 20

Interval
Ratio

Question 21

Nominal

Answer 21

discrete non-numerical classes
cannot be order

ex.) forest type

Question 22

ordinal

Answer 22

can be order
ranks
classes numerical or non-numerical

Question 23

Interval

Answer 23

continous or discrete numbers
ordered
ranks
no “true” zero

ex) temperature

Question 24

ratio

Answer 24

continous or discrete numbers
ordered
ranks
a “true” zero

ex) precipitation

Question 26

Quantitative def

Answer 26

difference in amount

Question 27

Qualitative

Answer 27

difference in kind