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APHG Topic 1.1
Term | Definition |
---|---|
Space | the physical gap or interval between two objects |
Scale | ratio between the size of things on the map and the size of things on the ground; global, regional, national, local |
Cartogram | sizes are shown according to some specific statistic |
Spatial Patterns | general physical arrangement of things being studied |
Reference Maps | designed for people to refer to to get general info about a place |
Thematic Maps | show spatial aspects of information or a phenomenon |
Choropleth Maps | use various colors, shades of one color, or patterns to show the location and distribution of spatial data |
Dot Distribution Maps | used to show the specific location and distribution of something across the territory of a map; each dot represents a specified quantity |
Graduated Symbol Maps | uses map symbols that vary in size to represent different amounts of something; also known as Graduated Circle/Proportional Symbol Map |
Isoline Maps | lines drawn on a map to connect points of equal value; ex: topographic maps (show elevation) or weather maps (show average precipitation, temperature) |
Mental Maps/Cognitive Maps | maps people create in their own minds based on their own experience and knowledge |
Site | a place's absolute location, as well as its physical characteristics such as the landforms, climate, and resources |
Situation | a place's relative location; location relative to another place |
Clustering | grouped together |
Dispersal | spread out |
Map Projection | used to show the curved surface of the earth on a flat surface |
Mercator Projection | lines of latitude and longitude meet at right angles, directions are shown accurately; land masses near the poles appear large |
Gall-Peters Projection | sizes of land masses are accurate; shapes are inaccurate, especially near the poles |
Conic Projection | lines of longitude come together at one pole, lines of latitude are curved, size and shape are both close to reality, direction is not constant |
Robinson Projection | area, shape, size, and direction are all slightly distorted; it's an oval shape rather than rectangular |
Spatial Relationships | the relationship between the distribution of one feature and the distribution of another feature |
Quantitative Data | information that can be measured and recorded using numbers |
Qualitative Data | data that is descriptive and is often based on people's opinions |
Physical Maps | map that shows natural features of the earth |
Spatial Association | matching patterns of distribution indicating that two or more phenomena maybe related, or associated, with one another |