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What is used to represent features on a map?

Topographic Map Symbols Points are used to depict features like bridges and buildings. Lines are used to graphically illustrate features that are linear. Some common linear features include roads, railways, and rivers.

What is a map that shows you land features called?

Physical Maps – illustrate the physical features of an area, such as the mountains, rivers and lakes. Topographic Maps – include contour lines to show the shape and elevation of an area.

What are some map terms?

Map Terms – A to C

  • Axis – An imaginary line the Earth rotates around.
  • Bar scale – This is that part of the map that looks like a ruler.
  • Base map – A map with all the important information about the Earth’s surface – like landforms, drainage, landmark features and political boundaries.
  • Bearing – Also known as direction.

What is the meaning of Choropleth?

A choropleth map (from Greek χῶρος choros ‘area/region’ and πλῆθος plethos ‘multitude’) is a type of thematic map in which a set of pre-defined areas is colored or patterned in proportion to a statistical variable that represents an aggregate summary of a geographic characteristic within each area, such as population …

What are the advantages of a Choropleth map?

The advantages of a choropleth map are: – simple to prepare – just colour the map, – easy perception – the colour makes it easy for everybody to see the differences between areas, – analytic abundance – many types of data placed in one picture in a comprehensible way.

Where can a Choropleth map be used?

You can use a choropleth maps when your data are (1) attached to enumeration units (e.g., counties, provinces, countries), (2) standardized to show rates or ratios (never use choropleth with raw data/counts), and (3) you have a continuous statistical surface, in other words, you could conceptually measure the phenomena …