Mapwork Theory (not GIS) Flashcards
What is the opposite of a steep slope?
A gentle slope
What is the formula for vertical exaggeration?
Horizontal scale
What is the formula for magnetic bearing?
Magnetic declination + True bearing
To calculate magnetic declination, what must the difference in years be multiplied with?
Mean annual change
Write out fully
What is the formula for gradient?
Horizontal distance/equivalent
What is the unit of vertical exaggeration?
Times
Exaggerated x times
What is a choropleth map?
A map that shows information through shading.
A large-scale map shows:
a) a large area in little detail π
b) a small area in a lot of detail π
b) a small area in a lot of detail
What is the formula for distance?
100 000
Name the 4 settlement patterns
Nucleated/ random nucleated
Dispersed
Linear
Cross roads
What is the difference between a gorge and a valley?
The sides of a gorge are much steeper.
What is the name of the boundary zone outside the urban area where rural and urban land uses intermix?
π³πΎπΎπ πΎπ³π³π³
Rural-urban fringe
What is the name of the dilapidated area with high land value outside the CBD?
π’π₯π¦π¬ ππ
The transition zone / zone of decay
What is an index line?
The thicker contour line
Where on a trig beacon do you measure from?
The top point