chapter 2 test Flashcards
Census
The official count of the number of people in a defined area.
Geographic information systems (GIS)
Captures, stores, organizes, and displays data that can be used for mapping.
Topography
Shape and features of land surfaces.
Remote sensing
Technique of gathering information about an area from a distance.
Global positioning system (GPS)
Integrated network of satellites that orbit Earth and transport data and location. (Only coordinates)
Cartographers
Created maps to help explorers and to estimate how long it would take to travel to uncharted lands.
Absolute distance
Distance that can be measured using a standard unit of length.
Relative distance
Distance that is measured by time or money.
Absolute direction
North, south, east, or west.
Relative direction
Left, right, up, down, front or behind
Map scale
Mathematical relationship between the size of a map and the part of the real world it shows.
Reference maps
Generalized sources of geographic data and focus on location.
Thematic maps
Have a specific purpose which focuses on the relationship among geographic data.
Quantitative
Information measured by numbers
Qualitative
Descriptive,non numeral information.
Isoline map
Map that uses lines to to connect places of the same value example: height, temperature, or pressure. This helps show patterns and changes across an area.
Granulated symbol map
A map that uses different size symbols to indicate quantitative data example: gasoline, earthquakes.
Cartogram map
Maps that distort to show the size of an area based on a particular feature example: population.
Dot map
Dots that are used to show where locations observations or events are on the map example: us milk cows.
Cloropleth map
A map that uses different colors or shades to show how much things vary across different areas example: population density, income levels.
