WGU D199:All Terms Defined: Introduction to Physical and Human Geography
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WGU D199
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WGU D199
WGU D199:All Terms Defined: Introduction to Physical and Human Geography
immigrants
people moving into a geographical area
emigrants
people moving out of a geographical area
net migration
the difference between the number of immigrants and the number of emigrants for a given geographical...
Introduction to Physical and Human
Geography - WGU D199:All Terms Defined
immigrants
people moving into a geographical area
emigrants
A
people moving out of a geographical area
VI
net migration
TU
the difference between the number of immigrants and the number of emigrants for a
given geographical area in any given year
IS
return migration
permanent return of emigrants to their country of origin
OM
travel visas
documents that give temporary permission to enter a country
NA
brain drain
a wealthy country's recruiting the "best brains" from a poorer country by offering
higher-paying opportunities
JP
brain gain
benefits a receiving country experiences when highly skilled immigrants are lured away
from their country of origin when they accept higher-paying opportunities
brain waste
situation that occurs when a receiving country fails to take advantage of all the skills of
an immigrant population
,push factors
conditions that encourage an individual to move from a location
pull factors
conditions that influence migrants to move to a particular location
reference maps
maps used to display important physical elements of a specific geographic area, such
as countries, rivers, mountains, etc.
A
thematic maps
VI
specialized maps used to understand one particular attribute or characteristic of a
specific geographic area; examples are population maps, weather maps, and maps
illustrating the spread of disease
TU
literal maps
maps that strive to display the objective truth about a specific geographic area
IS
figurative maps
maps that use symbols to represent a narrative or point of view; they are much less
concerned with physical accuracy than are literal maps
OM
analytical mapping
the use of cartography techniques to uncover and learn about patterns and trends in a
specific geographic area
NA
map scale
how the measurement of distance on a map corresponds to the distance on the ground
in the real world
JP
representative fraction (RF)
a way of describing the scale of a map by using a ratio
small-scale
a way of describing a map with a relatively small RF, where the various features of the
geography appear relatively small
, large-scale
a way of describing a map with a relatively large RF, where the various features of the
geography appear relatively large
coordinates
the points on a specified reference system that define the location of a particular place
Cartesian coordinate system
a reference system for a plane (a flat surface) based on the work of mathematician
A
Rene Descartes, using x- and y-axes.
VI
geographic coordinate system
the reference system devised to locate particular places on the surface of the earth,
using lines of latitude and longitude
TU
longitude
one of a set of imaginary east-west lines that form part of the geographic coordinate
IS
system
prime meridian
OM
the line of longitude that passes through Greenwich, UK, which is the starting point for
counting the rest of the lines of longitude
latitude
NA
one of a set of imaginary north-south lines that form part of the geographic coordinate
system
graticule
JP
the grid pattern in the geographic coordinate system
projection
a method of "flattening" a globe into a form that can be represented on a flat surface
conformal projections
maps that preserve, in the process of projection, angles, although not necessarily
lengths
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