Definitions Flashcards
(76 cards)
Thematic Maps
gives specific information about a place, easy to understand
Topographic Maps
uses symbols to show a variety of features
Mercator Maps
for navigation charts (gives true compass bearings between points), greatly distorts land masses
Winkel Tripel
standard world reference map, compromises between all types of distortion
General Purpose Maps
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Scale
shows the relationship between the distance a map and the actual distance on the surface
Large Scale=
large detail
Small Scale=
small detail
Drainage Basin
depressed area into which rivers flow, 6 around NA
Continental Divide
raised or elevated land separating where water drains (mountain ranges)
River source
a place where a river begins (at continental divides, cleanest water here).
River mouth
place where river ends or enters a larger body of water
Tributary
smaller river that contributes water into a larger river, e.g.) Assiniboine into Red River
Delta
triangular piece of land near a river thats rich in sediment e.g.) nile delta
Watershed
land which drains into drainage basin
Atlas
book of maps
Gazetteer
an alphabetical list of place found at back of Atlas
GPS
orbiting satellites provide navigation data around the clock. Satellites send radio signals to Earth and a GPS uses that to calculate its latitude and longitude
Cartography
study and practice of making maps combining science, aesthetics, and technique
Map projection
when features of a globe are transferred onto a flat surface
Alphanumeric Grid
uses letters and numbers to identify squares on a grid pattern. often used on road maps
Compass Points
the directions on a compass rose
Compass Rose
shows directions and bearings
Compass Bearings
the degrees on a compass rose (measured clockwise from north)