WGU D199 Physical Geography and Migration NOTES and question and answers verified to pass
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Module
WGU 199
Institution
WGU 199
WGU D199 Physical Geography and Migration NOTES and question and answers verified to pass WGU D199 Physical Geography and Migration NOTES
Physical Geography
Introduction
• Focuses on natural features of earth
• Studies landforms, climate, bodies of water, biomes, soils, natural veget...
Studies human impact on environment and ecosystems
Seeks to understand how physical processes drive change in the environment
Studies how humans are interacting with those processes
Types of Maps
Reference Map: Used to display important physical elements of a specific geographic
area
Thematic Map: Specialized map used to understand one particular attribute or
characteristic of a specific geographic area
Literal Map: Strives to display the objective truth about a specific geographic area
Figurative Map: Uses symbols to represent a narrative or point of view, less concerned
with physical accuracy
Analytical Mapping: Use of cartography techniques to uncover and learn about patterns
and trends in a specific geographic area
Map Scale and Coordinates
Map Scale: Measurement of distance on a map corresponds to the distance on the ground
in the real world
Representative Fraction (RF): Describes the scale of a map using a ratio
, Small-Scale: Map with a relatively small RF, where features appear relatively small
Large-Scale: Map with a relatively large RF, where features appear relatively large
Coordinates: Points on a specified reference map that define the location of a particular
place
Cartesian Coordinate System: Reference system for a plane based on X and Y axis
Geographic Coordinate System: Reference system to locate places on the surface of the
earth using latitude and longitude
Longitude: Imaginary east-west lines in the geographic coordinate system
Latitude: Imaginary north-south lines in the geographic coordinate system
Prime Meridian: Line of longitude that passes through Greenwich, UK, starting point for
counting other lines of longitude
Graticule: Grid pattern in the geographic coordinate system
Map Projections
Projection: Method of flattening a globe into a form that can be represented on a flat
surface
Conformal Projections: Maps that preserve angles, not necessarily lengths
Equal Area Projections: Maps that preserve relative size of land masses, not shape
Equidistant Projections: Maps that preserve accurate distances from a central point, not
shape or size
Comprise Interrupted and Artistic Projections: Maps that blend characteristics to maintain
accuracy in distance, size, and shape, with beauty as their main objective
Thematic Maps
Dot Density Map: Uses dots to represent the distribution (density) of a particular attribute
across a geographic area
Proportional Symbol Map: Uses symbols in different sizes to represent the distribution
(density) of a particular attribute across a geographic area
Choropleth Map: Uses colors to represent the distribution of a particular attribute across a
geographic area
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