Unit 1 Test Words Flashcards
Absolute Location
things/characteristics that never change
ex: Latitude & Longitude
Relative Location
A place in relation to other places
Place
A unique location; “sense of location”
ex: my room/house
Flows
Interaction btw different places
Distance Decay
Farther away a place the less interaction
ex: wifi; closer you are to wifi the stronger the connection, farther you are weaker the connection.
Time Space Compression
Technology reduces time it takes for something from one place to another.
Pattern
How objects are arranged in space
What is “why of where”
the idea that is an explanation of a spatial pattern is crucial.
Geospatial Data
Data related to a specific point on the physical earth.
Reference Map
Informational Map to refer to.
Thematic Map
Shows density and distribution of quantitative data; all info in the title.
Choropleth Map
uses colors/shading to represent quantifiable data.
Dot Maps
Dot represents a value in its approx. location.
Graduated Symbol
Proportional Symbols; same size as actual data; uses circles to represent population.
Isoline Maps
Connects areas of equal value with lines.
Cartograms
Distorts appearances of places to represent their value.
Data Analysis
Identifying different kinds of maps in geospatial data.
Absolute
(Quantitative Measurement)
ex: Boca Raton, FL is located at 26.3683 degrees N & 80.1289 degrees W
Relative
(Qualitative Measurement)
ex: my house is near the beach
Map Projection
sphere surfaces to flat.
Conformal Projection
Preserves shapes but distorts true size
Equal - area
preserves sizes distorts land masses
Mercator
latitude and longitude are shown at right angles, preserves shape distorts size; used for navigation.
Gall Peters Projection
preserves size but distorts shape, image appears opposite of Mercator.