geography EOYT

MAPS

why do maps exist?

They make it easier for users to relate data to location and identify geographic trends in the data, in a way which would be difficult using a chart or a table.

-       What functions did maps have in the past?

propaganda, exploration

What functions do maps have?

Visualizing data, patterns and trends, GPS

what is GIS

a computer-based system used to capture, store, analyze, manage, and present all types of geographical data.

what is longitude

longitude is a measurement of location east or west

what is latitude

Latitude is a measurement of a location north or south of the Equator. 

sketch maps

do not include a scale bar, simple drawing

reference maps

display natural and human-made objects from the geographical environment with an emphasis on location (e.g. topographic map, road map)

thematic maps

Are used to display the geographical or spatial distribution of one phenomenon (e.g. GDP, crime rates) dont need scale, no compass rose

advantages dot maps

easy to read, shows internal differences so there is less chance of generalization

disadvantages dot maps

-Can get messy when there is a lot of data

-Exact coordinates of a dot need to be known to create the map